Komatsu Wheel Loader WA700, WA700L Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Wheel Loader WA700, WA700L, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Komatsu Wheel Loader WA700, WA700L workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
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PRODUCT DETAILS:
Total Pages: 613 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
CEAM004401 - Wheel Loader WA700-3L avance plus Operation & Maintenance Manual...1
COVER...1
INTRODUCTION...7
FOREWORD...8
SAFETY INFORMATION...9
INTRODUCTION...10
INTENDED USE...10
FEATURES...10
BREAKING IN A NEW MACHINE...11
PLATE LOCATIONS...12
MACHINE SERIAL NUMBER PLATE...12
PLATE LOCATION...12
STAMP LOCATION...12
ENGINE SERIAL NUMBER PLATE...12
PLATE LOCATION...12
STAMP POSITION...12
TABLE TO ENTER SERIAL NUMBERS AND DISTRIBUTOR...13
TABLE OF CONTENTS...14
SAFETY...25
GENERAL PRECAUTIONS AND SAFETY RULES...26
GENERAL SAFETY RULES...26
SAFETY FEATURES...27
CLOTHING AND PERSONAL PROTECTIVE EQUIPMENT...27
UNAUTHORIZED MODIFICATIONS...27
WHEN LEAVING OPERATORS COMPARTMENT...28
MOUNTING AND DISMOUNTING...28
FIRE PREVENTION FOR FUEL AND OIL...29
PRECAUTIONS WHEN WORKING AROUND HIGH TEMPERATURES...29
DUST HAZARD PREVENTION...30
CRUSH OR PINCH POINT PREVENTION...30
FIRE EXTINGUISHER AND FIRST AID KIT...30
PRECAUTIONS WHEN USING ROPS...31
PRECAUTIONS FOR ATTACHMENTS...31
PRECAUTIONS WHEN HANDLING ACCUMULATOR...31
INDOOR VENTILATION...31
INSIDE OPERATOR’S COMPARTMENT...32
CAB GLASS, WASHER FLUID AND MIRRORS...32
PRECAUTIONS DURING OPERATION...33
BEFORE OPERATING THE MACHINE...33
SAFETY AT THE WORK SITE...33
BEFORE STARTING YOUR MACHINE...33
WHEN STARTING ENGINE...34
IN THE OPERATOR’S CAB...34
OPERATING YOUR MACHINE...35
AFTER STARTING THE MACHINE...35
CHANGING DIRECTIONS...35
PROHIBITED OPERATION...35
PRECAUTIONS WHEN TRAVELING...36
TRAVELING ON SLOPES...37
PRECAUTIONS WHEN OPERATING...38
PROPER METHOD OF USING BRAKES...39
OVERHEAD HIGH VOLTAGE CABLES...39
OPERATING ON SNOW...40
OPERATING ON LOOSE GROUND...40
PARKING YOUR MACHINE...41
PRECAUTIONS IN COLD AREAS...41
TRANSPORTING YOUR MACHINE...42
LOADING AND UNLOADING...42
SHIPPING...42
BATTERY MAINTAINANCE AND PRECAUTIONS...43
SAFETY PRECAUTIONS...43
STARTING WITH BOOSTER CABLES...44
CHARGING BATTERY...44
TOWING...46
TOWING PRECAUTIONS...46
MAINTENANCE PRECAUTIONS...47
BEFORE PERFORMING MAINTENANCE...47
NOTIFICATION OF FAILURE...47
WARNING TAGS...47
CLEANING BEFORE INSPECTION AND MAINTENANCE...47
KEEP YOUR WORK PLACE CLEAN AND TIDY...48
APPOINT A LEADER WHEN WORKING WITH OTHERS...48
RADIATOR COOLANT LEVEL...48
WORK EQUIPMENT SUPPORT...48
BEFORE CARRYING OUT INSPECTION AND MAINTENANCE...49
PROPER TOOL USAGE INFORMATION...49
REPLACEMENT OF CRITICAL PARTS...49
USE OF LIGHTING...50
PREVENTION OF FIRE...50
DURING THE MAINTENANCE PROCESS...51
PERSONAL...51
REPAIRING ATTACHMENTS...51
WORKING UNDER YOUR MACHINE...51
MAINTENANCE WITH CHASSIS RAISED...51
WORKING ON TOP OF MACHINE...51
MAINTENANCE WITH ENGINE RUNNING...52
PRECAUTIONS WHEN USING A HAMMER...52
DROPPING TOOLS OR PARTS INSIDE THE MACHINE...52
WELDING...53
WHEN AN ABNORMALITY IS LOCATED...53
HANDLING HIGH PRESSURE HOSES...53
SAFETY RULES TO FOLLOW WHEN ADDING FUEL OR OIL...53
PRECAUTIONS WHEN HANDLING HIGH PRESSURE SYSTEMS...54
CARRYING OUT MAINTENANCE AT HIGH TEMPERATURES OR HIGH PRESSURES...54
MAINTENANCE OF AIR CONDITIONER...54
FINAL CHECKS AFTER INSPECTION AND MAINTENANCE...55
DISPOSAL OF WASTE MATERIALS...55
TIRES...56
TIRE MAINTENANCE...56
HANDLING TIRES...56
STORAGE OF TIRES AFTER REMOVAL...57
SAFETY LABLE LOCATONS...58
SAFETY LABLES...60
OPERATION...69
GENERAL VIEW...70
VIEW OF CONTROLS AND GAUGES...71
OPERATORS COMPARTMENT...71
MAIN MONITOR...72
MAINTENANCE MONITOR...72
OVERVIEW OF COMPONENT...73
MACHINE MONITOR...73
ALERT DISPLAY INDICATORS (B, E)...73
GUAGE DISPLAY SYSTEM (A, C, D)...73
OPTION DISPLAY SYSTEM (F)...73
TESTING MACHINE MONITOR SYSTEM...74
WARNING DISPLAYS...75
CENTRAL LAMPS...75
CHECK LAMP...75
CAUTION LAMP...76
ENGINE COOLANT LEVEL CAUTION LAMP...76
ENGINE OIL LEVEL CAUTION LAMP...76
BRAKE OIL PRESSURE CAUTION LAMP...77
ENGINE OIL PRESSURE CAUTION LAMP...77
BATTERY CHARGE CAUTION LAMP...78
AIR CLEANER RESTRICTION LAMP...78
TRANSMISSION OIL FILTER LAMP...78
GROUND DRIVEN STEERING LAMP...79
METER DISPLAY PORTION...80
SYSTEM INDICATOR LAMPS AND GUAGES...80
PARKING BRAKE LAMP...80
PREHEATING AND AFTER HEATING LAMP...81
FRONT WORK LAMP INDICATOR...81
REAR WORK LAMP INDICATOR...81
TRANSMISSION CUT OFF INDICATOR LAMP...81
TURN SIGNAL INDICATOR LAMP...82
TRANSMISSION SHIFT SELECTION LAMP...82
FUEL GAUGE...82
ENGINE COOLANT TEMPERATURE GAUGE...82
TORQUE CONVERTER TEMPERATURE GAUGE...83
SERVICE HOUR METER...83
SPEEDOMETER...83
TRANSMISSION SHIFT INDICATOR...84
SWITCHES...85
IGNITION SWITCH...86
TRANSMISSION CUT OFF SWITCH...86
FRONT WORKING LAMPS...87
REAR WORK LAMPS...87
TRANSMISSION MANUAL SELECTION SWITCH...87
LAMP SWITCH AND TURN SIGNAL LEVER...88
LAMP SWITCH...88
TURN SIGNAL LEVER...88
HORN BUTTON...88
HAZARD LAMP SWITCH...89
FRONT WIPER SWITCH...89
REAR WIPER SWITCH...89
PREHEAT SWITCH...90
FUEL CUT-OFF SWITCH...90
PARKING BRAKE SWITCH...91
CIGARETTE LIGHTER...91
JOYSTICK STEERING ON/OFF SWITCH...91
JOYSTICK STEERING LEVER SWITCHES...92
STEP LIGHT SWITCH...92
CAB LAMP SWITCH...92
POWER WINDOW SWITCHES (RIGHT and LEFT)...93
MULTIPLE USE TOP SWITCH...93
MULTIPLE USE SIDE SWITCH...94
ENGINE LOW IDLE SELECTOR SWITCH...94
AUTO GREASE...94
CONTROL LEVERS AND PEDALS...95
SPEED CONTROL LEVER...96
DIRECTIONAL LEVER...96
SPEED CONTROL LEVER LOCK...97
SAFETY LOCK LEVER...97
BUCKET CONTROL LEVER...97
BOOM CONTROL LEVER...98
BRAKE PEDALS...99
ACCELERATOR PEDAL...99
JOYSTICK STEERING LEVER...99
JOYSTICK STEERING...100
EXPLANATION OF COMPONENTS...100
FUNCTION OF JOYSTICK STEER ING SYSTEM...101
OPERATION OF JOYSTICK STEERING...104
ADJUSTMENT OF STEERING WHEEL...104
JOYSTICK STEERING PRECAUTIONS...106
JOYSTICK CONSOLE ADJUSTMENT...107
AUTO-SHIFT SYSTEM...108
METHOD OF OPERATING...108
PRECAUTIONS WHEN CHANGING DIRECTION...109
MAIN MONITOR FAILURE CODE...110
MAIN MONITOR FAILURE DISPLAY...110
ERROR CODE LIST INDICATED ON MAIN MONITOR...111
TRANSMISSION CONTROL SYSTEM...111
JOYSTICK CONTROL SYSTEM...111
ELECTRONIC GOVERNOR CONTROL SYSTEM...112
STEERING COLUMN TILT LEVER...112
CAP LOCK...112
OPENING AND CLOSING CAPS WITH LOCKS...112
SAFETY BAR...114
TOWING PIN...114
BACKUP ALARM...115
DOOR OPEN LOCK...115
TOOL BOX...115
EMERGENCY STOP SWITCH AND FUEL STOP LEVER...116
SLOW BLOW FUSE...116
FUSES...116
FUSE CAPACITY AND CIRCUIT...117
LUNCH BOX TRAY...119
MANUAL STORAGE PLACE...119
24V POWER FOR ACCESSORIES...119
AIR CONDITIONER...120
GENERAL LOCATIONS AND FUNCTION OF CONTROL PANEL...120
FAN SWITCHES...120
AIR CONDITIONER SWITCH...121
VENT SELECTOR SWITCH...121
FRESH/RECIRCULATING AIR SELECTOR SWITCH...121
TEMPERATURE CONTROL SWITCH...122
EXPLANATION OF OPERATION...122
COOL BOX...122
AM/FM STEREO CASSETTE RADIO...123
EXPLANATION OF COMPONENTS...123
POWER SWITCH VOLUME CONTROL KNOB...124
TONE CONTROL KNOB...124
BASS CONTROL...124
TREBLE CONTROL...124
EJECT BUTTON...125
CASSETTE DOOR...125
FAST FORWARD, REWIND, PROGRAM CHANGEOVER CONTROL...125
MEMORY SWITCH...125
DISPLAY CHANGEOVER...126
SEEK CONTROL...126
LOUD CONTROL...126
AUTO MEMORY...126
FM AM BAND SELECT...127
DISPLAY...127
TUNER SWITCH, MANUAL TUNING...127
PRESET SWITCH...127
METAL BUTTON (IN TAPE MODE)...128
HOUR AND MINUTE CORRECTION...128
EXPLANATION OF OPERATION METHODS...129
PRESETTING TO SELECTED STATIONS...129
AUTO MEMORY...129
RECEIVING RADIO BROADCASTS...130
AUTOMATIC TUNING...130
MANUAL TUNING...130
SELECTION BETWEEN MODES...131
ADJUSTING TIME...131
PLAYING A CASSETTE TAPE...132
CHANGING TAPE CHANNELS...132
FAST FORWARDING...132
REWINDING...133
PRECAUTIONS WHEN USING...133
PRECAUTIONS WHEN HANDLING ACCUMULATORS...134
OPERATION...135
CHECKS BEFORE OPERATING THE MACHINE...135
WALK AROUND CHECKS...135
CHECKS BEFORE STARTING YOUR WORK CYCLE...137
CHECKING MONITOR PANEL...138
CHECKING COOLANT LEVEl...138
CHECKING OIL LEVEL IN ENGINE AND ADDING OIL...139
CHECKING BRAKE OIL TANK LEVEL AND ADDING OIL...140
CHECKING FUEL LEVEL AND ADDING FUEl...140
CHECKING ELECTRICAL WIRING...141
CHECKING ELECTRICAL WIRING...141
CHECKING TIRE INFLATION PRESSURE...142
CHECKING PARKING BRAKE...142
CHECKING EFFECT OF BRAKE...143
CHECK HORN AND BACKUP ALARM...143
CHECK FLASHING OF LAMPS...143
CHECK DIRECTION OF REAR VIEW MIRROR, CHECK FOR DIRT OR DAMAGE...143
CHECK ENGINE EXHAUST COLOR AND SOUND...143
CHECK OPERATION OF GAUGES...143
CHECK PLAY IN STEERING WHEEL, CHECK OPERATION OF STEERING...143
OPERATOR’S SEAT...143
SEAT BELT...145
REAR VIEW MIRRORS...146
CHECKS BEFORE STARTING THE ENGINE...147
STARTING ENGINE...148
NORMAL STARTING CONDITIONS...148
STARTING IN COLD WEATHER...149
USING THE AUTOMATIC PRIMING SYSTEM (APS)...150
USING MANUAL PREHEATING...152
OPERATIONAL CHECKS AFTER STARTING ENGINE...154
MOVING THE MACHINE...156
STEERING WITH THE WHEEL...157
STEERING WITH JOYSTICK...158
CHANGING GEAR SPEED RANGES...159
CHANGING DIRECTION...160
TURNING...161
STOPPING MACHINE...162
OPERATION OF WORK EQUIPMENT...163
TYPICAL WORK OPERATIONS...164
BUCKET FILLING AND DIGGING OPERATIONS...164
LEVELING OPERATIONS...167
PUSHING OPERATION...167
LOADING AND CARRYING OPERATIONS...167
LOADING OPERATIONS...167
CROSS DRIVE LOADING...168
“V” SHAPE LOADING...168
PRECAUTIONS WHEN PILING UP LOADS...168
PRECAUTIONS FOR OPERATION...169
PERMISSIBLE WATER DEPTH...169
IF WHEEL BRAKE DOES NOT WORK...169
PRECAUTIONS WHEN DRIVING UP OR DOWN SLOPES...169
PRECAUTIONS WHEN TRAVELING WITH YOUR MACHINE...170
ADJUSTING WORK EQUIPMENT...171
ADJUSTING BOOM KICKOUT...171
ADJUSTING BUCKET POSITIONER...172
BUCKET LEVEL INDICATOR...172
PARKING THE MACHINE...173
CHECKS AFTER OPERATION...175
STOPPING ENGINE...175
CHECKS AFTER STOPPING THE ENGINE...175
LOCK AND SECURE LOCATIONS...176
HANDLING THE TIRES...176
PRECAUTIONS WHEN HANDLING TIRES...176
TIRE PRESSURE...178
PRECAUTIONS WITH LOAD AND CARRY OPERATIONS...178
BUCKET REMOVAL AND INSTALLATION...179
TRANSPORTATION...182
LIFTING MACHINE...182
COLD WEATHER OPERATION...183
PRECAUTIONS FOR LOW TEMPERATURES...183
FUEL AND LUBRICANTS...183
COOLANT...183
BATTERY...183
PRECAUTIONS AFTER WORK COMPLETION...183
AFTER COLD WEATHER...184
WARM UP OPERATION FOR HYDRAULIC STEERING CIRCUIT IN COLD WEATHER...185
LONG TERM STORAGE...186
BEFORE STORAGE...186
DURING STORAGE...186
AFTER STORAGE...186
BASIC TROUBLESHOOTING...187
WHEN MACHINE RUNS OUT OF FUEL...187
PROCEDURES FOR BLEEDING AIR FROM FUEL SYSTEM...187
MAINTENANCE ON A/C SYSTEM...187
TOWING THE MACHINE...188
WHEN ENGINE CAN BE USED...188
WHEN ENGINE POWER CANNOT BE USED...189
RELEASING PARKING BRAKE...189
EMERGENCY TRAVEL OPERATION...190
IF BATTERY IS DISCHARGED...191
REMOVAL AND INSTALLATION OF BATTERY...191
PRECAUTIONS FOR CHARGING BATTERY...191
STARTING ENGINE WITH BOOSTER CABLE...192
TROUBLESHOOTING TABLE...193
ELECTRICAL SYSTEM...193
CHASSIS...194
ENGINE...195
MAINTENANCE...197
GUIDES TO MAINTENANCE...198
OUTLINE OF SERVICE...201
OUTLINE OF OIL, FUEL, AND COOLANT USED...202
OIL...202
FUEL...202
COOLANT...202
GREASE...202
STORING OIL AND FUEL...203
FILTERS...203
ELECTRIC SYSTEM...203
PARTS WEAR LIST...204
FUEL, COOLANT AND LUBRICANTS AMBIENT TEMPERATURE CHART...205
SELECTION OF FUEL, COOLANT AND LUBRICANTS...205
ENGINE OIL SPECIFICATIONS...206
NORMAL OPERATION...206
ARCTIC OPERATION...206
TRANSMISSION, CONVERTER, TRANSFER CASE, COOLER, SERVICE BRAKES AND HYDRAULIC SYSTEM OIL SPECIFICA...207
DRIVE AXLE OIL SPECIFICATIONS...207
DIESEL FUEL SPECIFICATIONS...207
COOLANT SPECIFICATIONS...208
GENERAL...208
WATER...208
ANTIFREEZE...208
SUPPLEMENTAL COOLANT ADDITIVES...209
STANDARD TIGHTENING TORQUES FOR FASTNERS...213
NECESSARY MAINTENANCE TOOLS...213
PERIODIC REPLACEMENT OF SAFETY RELATED PARTS...214
CHART OF CRITICAL PARTS...215
MAINTENANCE SCHEDULE CHART...216
SCHEDULED MAINTENANCE CHART...216
SERVICE PROCEDURE...219
INITIAL 50 HOURS OF SERVICE...219
LUBRICATION...219
INITIAL 250 HOURS OF SERVICE...219
FUEL FILTER CARTRIDGE...219
TRANSMISSION OIL FILTER ELEMENT...219
ENGINE VALVE CLEARANCE...219
WHEN REQUIRED...220
CLEAN OR REPLACE AIR CLEANER ELEMENT...220
CLEANING COOLING SYSTEM...222
CHECKING THE TRANSMISSION OIL LEVEL...224
CHECKING AXLE OIL LEVEL...225
CHECKING AXLE CASE VENT...226
CHECKING WINDOW WASHER FLUID LEVEL...227
CLEANING THE AIR CONDITIONER CONDENSER...227
CLEANING THE RADIATOR AND OIL COOLER FINS...228
CHECKING THE AUTOMATIC PRIMING SYSTEM (APS)...228
REPLACING BUCKET WEAR ITEMS...229
LUBRICATION...233
CHECKING AIR CONDITIONER...235
ADJUSTING PARKING BRAKE...235
BLEEDING AIR FROM BRAKE CIRCUIT...236
BLEEDING AIR FROM PPC CIRCUIT...237
BLEEDING AIR FROM THE HYDRAULIC CIRCUIT...237
BLEEDING AIR FROM THE HYDRAULIC TANK...238
BLEEDING AIR FROM THE PISTON PUMP...238
REPLACING SLOW BLOW FUSE...239
REPLACING FAN BELT AND AUTO TENSIONER...240
SELECTION AND INSPECTION OF TIRES...241
CHECKS BEFORE STARTING WORK CYCLE...242
CHECKING MONITOR PANEL...242
CHECKING THE COOLANT LEVEL...243
CHECKING OIL LEVEL IN ENGINE...243
CHECKING BRAKE OIL TANK LEVEL...244
CHECKING FUEL LEVEL...245
CHECKING ELECTRICAL WIRING...246
CHECKING TIRE INFLATION...246
CHECKING EFFECT OF PARKING BRAKE SYSTEM...246
CHECKING EFFECT OF BRAKES...247
CHECK HORN AND BACK UP ALARM...247
CHECK LAMPS, FOR DIRT OR DAMAGE...247
CHECK REAR VIEW MIRRORS FOR DIRT OR DAMAGE...247
CHECK ENGINE EXHAUST COLOR AND SOUND...247
CHECK OPERATION OF GAUGES...247
CHECK PLAY AND OPERATION OF STEERING...247
EVERY 50 HOURS OF SERVICE...248
DRAINING WATER AND SEDIMENT FROM FUEL TANK...248
EVERY 100 HOURS OF SERVICE...248
LUBRICATION...248
CHECKING OIL LEVEL IN HYDRAULIC TANK...251
AIR CONDITIONER FRESH AIR FILTER...252
EVERY 250 HOURS OF SERVICE...253
CHANGING ENGINE OIL AND FILTER CARTRIDGES...253
CHECKING THE BATTERY ELECTROLYTE LEVEL...255
CHECKING AND ADJUSTING THE ALTERNATOR BELT...255
CHECKING AND ADJUSTING THE REFRIGERENT COMPRESSOR BELT...256
CHECKING FOR LOOSE WHEEL HUB NUTS...257
AIR CONDITIONER RECIRCULATION FILTER...257
CHECKING FOR LOOSE WHEEL HUB NUTS...257
CHECKING FRAME AND BOOM...257
EVERY 500 HOURS OF SERVICE...258
REPLACING THE FUEL FILTER CARTRIDGE...258
REPLACING TRANSMISSION OIL FILTER...259
LUBRICATING THE CENTER DRIVE SHAFT...261
CHECK FAN BELT FOR WEAR...262
EVERY 1000 HOURS OF SERVICE...263
CHANGING TRANSMISSION OIL AND CLEANING STRAINER...263
CLEANING THE TRANSMISSION CASE VENT...265
LUBRICATION...266
CHECKING PARTS OF TURBOCHARGER...268
CLEANING THE FUEL STRAINER...269
CHECKING ROPS CANOPY...269
REPLACING THE CORROSION RESISTOR CARTRIDGE...269
EVERY 2000 HOURS OF SERVICE...271
CHANGING HYDRAULIC OIL AND FILTER ELEMENT...271
CLEANING THE HYDRAULIC TANK STRAINER...274
REPLACING THE HYDRAULIC TANK VENT ELEMENT...275
CHANGING AXLE OIL...276
REPLACING AIR CONDITIONER CAB FILTER...278
CLEANING THE PPC CIRCUIT STRAINER...278
CLEANING THE ENGINE CRANCASE VEVT ELEMENT...279
CHECKING ALTERNATOR AND STARTER MOTOR...279
CHECKING ENGINE VALVE CLEARANCE...279
CHECKING TURBOCHARGER...279
CHECKING PLAY OF TURBOCHARGER ROTOR SHAFT...279
CHECKING ACCUMULATOR...280
EVERY 4000 HOURS OF SERVICE...281
CHECKING WATER PUMP...281
CHECKING ENGINE VIBRATION DAMPER...281
CHECKING FAN AND TENSIONER PULLEY...281
REPLACING THE INJECTION PUMP SCREEN FILTER...281
CLEANING THE INJECTION PUMP OIL INLET STRAINER...282
SPECIFICATIONS...283
WA700-3L SPECIFICATIONS...284
OPTIONS, ATTACHMENTS...287
OPTIONAL PARTS AND ATTACHMENTS...288
SELECTING BUCKETS AND TIRES...289
CEBM004402 - Wheel Loader WA700-3L avance plus Shop Manual...293
COVER...293
CONTENTS...294
01 GENERAL...323
GENERAL ASSEMBLY DRAWING...324
SPECIFICATIONS...325
WEIGHT TABLE...328
LIST OF LUBRICANT AND WATER...330
REMARKS...331
10 STRUCTURE AND FUNCTION...333
POWER TRAIN SYSTEM...336
DAMPER...338
OPERATION...338
TORQUE CONVERTER AND TRANSMISSION...340
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM...340
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM...342
TORQUE CONVERTER AND TRANSMISSION PIPING...343
TORQUE CONVERTER AND PTO...344
TRANSMISSION...347
OPERATION OF CLUTCH...350
FORWARD 1ST...351
FORWARD 2ND...352
FORWARD 3RD...353
FORWARD 4TH...354
REVERSE 1ST...355
TRANSMISSION CONTROL VALVE...356
TRANSMISSION SOLENOID VALVE...357
UPPER VALVE...358
MAIN RELIEF VALVE...358
LOWER VALVE...359
MAIN RELIEF VALVE...360
PILOT REDUCING VALVE...361
TRANSMISSION SOLENOID VALVE...362
PRIORITY VALVE...363
MODULATING VALVE AND QUICK RETURN VALVE...364
REDUCING VALVE...367
QUICK FILL VALVE (FOR 2ND CLUTCH)...368
TORQUE CONVERTER RELIEF VALVE...369
LUBRICATING RELIEF VALVE...370
EMERGENCY MANUAL SPOOL...371
LUBRICATION BYPASS VALVE...372
HYDRAULIC CIRCUIT SCHEMATIC...374
FORWARD 1ST...374
TRANSFER...376
AXLE...377
FRONT AXLE...377
REAR AXLE...378
DIFFERENTIAL...379
FRONT DIFFERENTIAL...379
REAR DIFFERENTIAL...380
FINAL DRIVE...381
STEERING...383
STEERING PIPING DIAGRAM...383
STEERING AND SWITCH PUMP...384
STEERING UNIT (ORBIT-ROLL VALVE)...386
STEERING DEMAND VALVE...389
OVERLOAD RELIEF VALVE...390
MAIN RELIEF VALVE...392
OPERATION OF DEMAND VALVE...394
WHEN STEERING SPOOL IS OPERATED...395
OPERATION OF STEERING VALVE...397
TWO-WAY RESTRICTOR...400
STOP VALVE...401
DIVERTER VALVE...402
GROUND DRIVEN STEERING RELIEF VALVE...405
BRAKE...406
BRAKE PIPING...406
BRAKE CIRCUIT DIAGRAM...407
BRAKE VALVE...408
BRAKE VALVE (RIGHT)...408
BRAKE VALVE (LEFT)...409
CHARGE VALVE...414
ACCUMULATOR (FOR BRAKE)...418
SLACK ADJUSTER...419
BRAKE...421
PARKING BRAKE...423
PARKING BRAKE CALIPER...424
SPRING CYLINDER...425
PARKING BRAKE SOLENOID VALVE...426
HYDRAULIC...428
HYDRAULIC PIPING...428
HYDRAULIC CIRCUIT DIAGRAM...430
MAIN PISTON PUMP...433
PISTON PUMP (HPV90 + HPF90)...434
CONTROL PUMP (BAR025)...439
CONTROL PUMP RELIEF VALVE...440
ES VALVE (ENGINE SENSING VALVE)...441
SERVO VALVE...442
PRESSURE DIFFERENTIAL VALVE...443
PPC VALVE (PROPORTIONAL PRESSURE VALVE)...444
PPC RELIEF VALVE...448
ACCUMULATOR (FOR PPC VALVE)...449
MAIN CONTROL VALVE...450
WORK EQUIPMENT...452
WORK EQUIPMENT LUBRICATION...452
WORK EQUIPMENT LINKAGE...454
BUCKET POSITIONER AND BOOM KICK-OUT...456
BUCKET POSITIONER...457
BOOM KICK-OUT...457
PROXIMITY SWITCH - OPERATION...458
BOOM RAISE...458
BUCKET TILT...460
AIR CONDITIONER...462
AIR CONDITIONER PIPING...462
AIR CONDITIONER CONDENSER...463
AIR CONDITIONER COMPRESSOR...464
DRY RESERVOIR...465
MAIN MONITOR SYSTEM...466
MAIN MONITOR...467
MAIN MONITOR DISPLAY FUNCTION TABLE...468
MAIN MONITOR SWITCH FUNCTION...470
TROUBLE DATA DISPLAY MODE...471
MAINTENANCE MONITOR...472
MAINTENANCE MONITOR DISPLAY FUNCTION TABLE...473
AUTOMATIC TRANSMISSION SYSTEM (ATM)...475
SYSTEM STRUCTURE DIAGRAM...476
JOYSTICK...489
JOYSTICK TRANSMISSION SYSTEM...489
TRANSMISSION AND JOYSTICK CONTROLLER...490
ELECTRICAL...493
ENGINE STARTING CIRCUIT...493
ENGINE STOP CIRCUIT...495
AUTO PRIMING SYSTEM (APS)...496
APS CONTROLLER...497
APS ASSISTER...497
ELECTRICAL TRANSMISSION CONTROL...500
COMBINATION SWITCH...502
KICK-DOWN, HOLD SWITCH...504
KICK-DOWN ELECTRICAL CIRCUIT...505
PARKING BRAKE SWITCH...512
PARKING BRAKE VALVE...513
PARKING SAFETY RELAY...513
NEUTRALIZER RELAY...513
EMERGENCY BRAKE SWITCH...513
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (1 0F 6)...521
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (2 OF 6)...523
ELECTRICALCIRCUIT DIAGRAM FOLDOUT (3 OF 6)...525
ELECTRICAL CIRUIT DIAGRAM FOLDOUT (4 OF 6)...527
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (5 OF 6)...529
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (6 OF 6)...531
ELECTRICAL CIRCUIT DIAGRAM (2) (1 OF 4)...533
ELECTRICAL CIRCUIT DIAGRAM (2) (2 OF 4)...535
ELECTRICAL CIRCUIT DIAGRAM (2) (3 OF 4)...537
ELECTRICAL CIRCUIT DIAGRAM (2) (4 OF 4)...539
20 TESTING, ADJUSTING AND TROUBLESHOOTING...541
STANDARD VALUE TABLE...544
ENGINE TABLE - IN CHASSIS...544
CHASSIS TABLE...545
STANDARD VALUE TABLE FOR ELECTRICAL PARTS...550
SERVICE TOOLS...558
ENGINE...560
ADJUSTING ENGINE STOP MOTOR CABLE...560
ADJUSTING ENGINE STOP SOLENOID...560
MEASURING AND ADJUSTING VALVE CLEARANCE...560
MEASURING BLOW-BY PRESSURE...560
MEASURING COMPRESSION PRESSURE...560
MEASURING COOLANT TEMPERATURE...560
MEASURING ENGINE LUBRICATING OIL PRESSURE...560
MEASURING ENGINE SPEEDS...560
MEASURING EXHAUST COLOR...560
MEASURING EXHAUST GAS TEMPERATURE...560
MEASURING FUEL FILTER INLET RESTRICTION...560
TEST AND ADJUSTING FAN BELT TENSION...560
TEST AND ADJUSTING FUEL INJECTION TIMING...560
ACCELERATOR PEDAL...561
OPERATING FORCE...561
ADJUSTING PEDAL TRAVEL, POTENTIOMETER...562
ADJUSTING PEDAL MICRO SWITCH...564
TORQUE CONVERTER & TRANSMISSION PRESSURE...565
EMERGENCY MANUAL SPOOL...568
OPERATION...568
STEERING...570
STEERING OIL PRESSURE...570
MEASURING...570
ADJUSTING...570
STEERING STOPPER BOLT...571
ADJUSTING...571
JOYSTICK STEERING...572
ADJUSTING...572
JOYSTICK LEVER NEUTRAL DETECTION SWITCH...573
ADJUSTING...573
BRAKE...574
BRAKE OIL PRESSURE...574
TESTING...574
BRAKE DISC...575
MEASURING WEAR...575
BRAKE PERFORMANCE...576
MEASURING...576
PARKING BRAKE...577
TESTING...577
MEASURING PAD...577
MEASURING CLEARANCE...577
ADJUSTING...578
ACCUMULATOR CHARGE PRESSURE...579
TESTING...579
ADJUSTING...579
WORK EQUIPMENT...580
PPC RELIEF VALVE...580
MEASURING HYDRUALIC PRESSURE...580
ADJUSTING HYDRAULIC PRESSURE...581
HYDRAULIC PRESSURE...582
TESTING...582
ADJUSTING...583
PISTON PUMP...584
BLEEDING AIR...584
LEVER LINKAGE...585
ADJUSTING...585
BUCKET POSITIONER...587
TESTING...587
ADJUSTING...587
BOOM KICK-OUT...588
TESTING...588
ADJUSTING...588
PROXIMITY SWITCH ACTUATION PILOT LAMP...589
LAMP (RED)...589
MAIN MONITOR (SPEEDOMETER MODULE)...590
ADJUSTMENT PROCEDURE...590
BLEEDING AIR...591
BLEEDING AIR FROM BRAKE SYSTEM...591
BLEEDING AIR FROM HYDRAULIC CYLINDERS...591
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...592
BLEEDING AIR FROM HYDRAULIC TANK...592
BLEEDING AIR FROM THE PISTON PUMP...593
BLEEDING AIR FROM THE HYDRAULIC CIRCUIT...594
TROUBLESHOOTING GENERAL...595
POINTS TO REMEMBER WHEN TROUBLESHOOTING...1318
SEQUENCE OF EVENTS IN TROUBLESHOOTING...293
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE...341
PRECAUTIONS WHEN HANDLING ELECTRIC EQUIPMENT...341
CHECKS BEFORE TROUBLESHOOTING...609
JUDGEMENT OF POWER TRAIN...346
PRECAUTIONS WHEN TROUBLESHOOTING...316
SAFETY...293
PRECAUTIONS WHEN REMOVING, INSTALLING, DISASSEMBLING OR ASSEMBLING PARTS DURING TROUBLESHOOTING...316
PREVENTING RECURRENCE OF TROUBLE...293
HYDRAULIC EQUIPMENT...316
OIL CHECKS...612
CLEANING FRAGMENTS OF DAMAGED PARTS...317
METHOD OF USING TROUBLESHOOTING CHARTS...317
CATEGORY OF TROUBLESHOOTING CODE NUMBER...317
METHOD OF USING TROUBLESHOOTING TABLE FOR EACH TROUBLESHOOTING MODE...317
METHOD OF USING MATRIX TROUBLESHOOTING TABLES...318
METHOD OF USING ENGINE RELATED CHARTS...617
TROUBLESHOOTING ELECTRICAL CONNECTORS...623
CONNECTOR TYPES...625
CONNECTOR PIN ARRANGEMENT...322
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...322
ELECTRICAL ENGINE THROTTLE CONTROLLER SYSTEM...405
METHOD OF DISPLAYING ACTION CODE AND FAILURE CODE...641
CHART OF ACTION CODES AND FAILURE CODES, AND RE-ACTION...643
TRANSMISSION CONTROLLER LED DISPLAY...521
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)...647
E-1 ENGINE DOES NOT START...316
A. STARTING MOTOR DOES NOT TURN...650
B. STARTING MOTOR TURNS...656
E-2 ABNORMALITY IN APS SYSTEM...659
A. WHEN PREHEATING SWITCH IS TURNED AUTO, PREHEATING LAMP DOES NOT LIGHT UP, BUT NO PILOT LED ON ...661
B. WHEN PREHEATING SWITCH IS TURNED AUTO AND ENGINE WATER TEMPERATURE IS BELOW 2O° C, PREHEATING ...662
C. AFTER PREHEATING, FUEL IS NOT INJECTED FROM APS NOZZLE WHEN STARTING SWITCH IS TURNED START, B...663
D. LED 1 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...664
E. LED 2 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...664
F. LED 3 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...665
G. LED 4 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...665
H. LED 5 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...666
I. LED 6 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...666
J. WHEN PREHEATING SWITCH IS OFF, PREHEATING LAMP LIGHTS UP...667
E-3 PARKING BRAKE DOES NOT HAVE EFFECT...668
A. PARKING BRAKE HAS NO EFFECT WHEN PARKING BRAKE SWITCH IS TURNED ON...668
B. PARKING BRAKE HAS NO EFFECT AND DOES NOT WORK AS EMERGENCY BRAKE WHEN PARKING BRAKE PRESSURE D...668
E-4 PARKING BRAKE IS APPLIED WHEN MACHINE IS TRAVELING...670
E-5 PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED ON...672
E-6 TRANSMISSION DOES NOT CHANGE TO NEUTRAL WHEN PARKING BRAKE IS APPLIED, BUT PARKING BRAKE WORK...672
E-7 TRANSMISSION DOES NOT WORK PROPERLY...674
A. ABNORMALITY IN PARKING BRAKE CIRCUIT, TRANSMISSION CUT-OFF SWITCH CIRCUIT OR NEUTRALIZER RELAY...676
B. NO CONTINUITY IN TRAVEL FORWARD SOLENOID CIRCUIT...680
C. NO CONTINUITY IN TRAVEL REVERSE SOLENOID CIRCUIT...682
D. SHORT CIRCUIT TO CHASSIS GROUND IN DIRECTIONAL SOLENOID CIRCUIT...684
E. ABNORMALITY IN SHIFT SOLENOID CIRCUIT...690
F. SHORT CIRCUIT TO CHASSIS GROUND IN SHIFT SOLENOID CIRCUIT...693
E-8 KICK-DOWN SWITCH DOES NOT WORK...698
E-9 KICK-DOWN WORKS ONLY WHEN KICK-DOWN SWITCH IS BEING TURNED ON...701
E-10 KICK-DOWN ALWAYS WORKS...702
E-11 KICK-DOWN SWICTH WORKS EVEN WHEN TRAVELING FORWARD IN 2ND...704
E-12 BOOM KICK-OUT DOES NOT WORK...706
E-13 DEFECTIVE BUCKET POSITIONER...708
E-14 POWER WINDOW DOES NOT WORK...710
A. WINDOW DOES NOT GO UP...710
B. WINDOW DOES NOT GO DOWN...711
E-15 ABNORMALITY IN FRONT WORKING LAMP...713
E-16 ABNORMALITY IN REAR WORKING LAMP...713
E-17 ABNORMALITY IN TRANSMISSION CUT-OFF...713
E-18 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING...713
E-19 ABNORMALITY IN BUZZER...713
TROUBLESHOOTING OF ELECTRIC ENGINE THROTTLE & APS CONTROLLERS (G MODE)...715
JUDGEMENT TABLE...319
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS...719
ACTION TAKEN BY CONTROLLER AND CONDITIONS FOR RESETTING WHEN ABNORMALITY OCCURS...725
POINTS TO REMEMBER WHEN TROUBLESHOOTING...446
JUDGEMENT TABLE FOR ENGINE CONTROLLER...728
G-1 [90] [OFF or 101] ABNORMALITY IN POWER SOURCE SYSTEM...729
G-2 [90] [11] ABNORMALITY IN CONTROLLER SYSTEM...729
G-3 [90] [21] MISTAKEN CONNECTION OF CONNECTOR...730
G-4 G-4 [90] [56] ABNORMALITY IN CONTROLLER SOLENOID POWER SOURCE SYSTEM...730
G-5 [90] [58] ABNORMALITY IN BACK-UP POWER SOURCE SYSTEM...731
G-6 [90] [59] ABNORMALITY IN SWITCH POWER SOURCE SYSTEM...732
G-7 [91] [14] ABNORMALITY IN GOVERNOR SOLENOID SYSTEM...733
G-8 [91] [16] ABNORMALITY IN GOVERNOR CUT RELAY SYSTEM...734
G-9 [91] [19] ABNORMALITY IN GOVERNOR SERVO SYSTEM...735
G-10 [91] [1d] ABNORMALITY IN PRE-STROKE SOLENOID SYSTEM...736
G-11 [92] [12] ABNORMALITY IN RACK SENSOR SYSTEM...737
G-12 [92] [18] ABNORMALITY IN RACK SENSOR POWER SOURCE SYSTEM...738
G-13 [93] [1b] ABNORMALITY IN ENGINE SPEED SENSOR A SYSTEM...739
G-14 [94] [1c] ABNORMALITY IN ENGINE SPEED SENSOR B SYSTEM...740
G-15 [93, 94] [1b, 1c] ABNORMALITY IN ENGINE SPEED SENSOR A, B SYSTEM...741
G-16 [95] [40] ABNORMALITY IN WATER TEMPERATURE SENSOR SYSTEM...741
G-17 [97] [31] ABNORMALITY IN ACCELERATOR SENSOR SYSTEM...742
G-18 [99] [22] ENGINE OVERRUN...744
G-19 ENGINE DOES NOT START (CONTROLLER RELATED ONLY)...744
G-20 ENGINE DOES NOT START...746
G-21 ENGINE DOES NOT STOP...749
G-22 DEFECTIVE ACTUATION OF APS...750
A. PREHEATING LAMP SWITCH DOES NOT LIGHT UP WHEN APS SWITCH IS ON (ALL APS CONTROLLER LEDS ARE AL...750
B. 1. PREHEATING PILOT LAMP FLASHES WHEN WATER TEMPERATURE IS BELOW 20C WHEN APS SWITCH IS ON (C...752
B. 2. PREHEATING PILOT LAMP LIGHTS UP WHEN WATER TEMPERATURE IS ABOVE 20C WHEN APS SWITCH IS ON ...752
C. NOZZLE DOES NOT INJECT FUEL WHEN STARTING SWITCH IS TURNED TO START AFTER COMPLETION OF PREHEA...752
D. APS CONTROLLER LED 1 (SHORT CIRCUIT IN GLOW PLUG 1 SYSTEM) GIVES ABNORMAL DISPLAY...312
E. APS CONTROLLER LED 2 (DISCONNECTION IN GLOW PLUG 1 SYSTEM) GIVES ABNORMAL DISPLAY...312
F. APS CONTROLLER LED 3 (SHORT CIRCUIT IN GLOW PLUG 2 SYSTEM) GIVES ABNORMAL DISPLAY...754
G. APS CONTROLLER LED 4 (DISCONNECTION IN GLOW PLUG 2 SYSTEM) GIVES ABNORMAL DISPLAY...754
H. APS CONTROLLER LED 5 (SHORT CIRCUIT WITH GROUND IN NOZZLE) GIVES ABNORMAL DISPLAY...755
I. APS CONTROLLER LED 6 (DISCONNECTION IN NOZZLE) GIVES ABNORMAL DISPLAY...312
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)...757
POWER TRAIN...759
H-1 MACHINE DOES NOT START...759
H-2 MACHINE LACKS POWER OR SPEED WHEN TRAVELING (ALL SPEED RANGES)...760
H-3 TIME LAG IS EXCESSIVE WHEN STARTING OR SHIFTING GEAR...761
H-4 TORQUE CONVERTER OIL TEMPERATURE IS HIGH...762
STEERING...763
H-5 STEERING DOES NOT TURN...763
H-6 STEERING DOES NOT TURN [MACHINE WITH JOYSTICK]...764
H-7 TURNING, RESPONSE OF STEERING IS POOR...765
H-8 TURNING, RESPONSE OF STEERING IS POOR [MACHINE WITH JOYSTICK]...766
H-9 STEERING IS HEAVY...768
H-10 STEERING WHEEL SHAKES OR JERKS...769
H-11 STEERING SHAKES OR THERE IS EXCESSIVE SHOCK [MACHINE WITH JOYSTICK]...770
H-12 TURNING RADIUS IS DIFFERENT BETWEEN LEFT AND RIGHT AT MAXIMUM STEERING...770
BRAKES...771
H-13 WHEEL BRAKES DO NOT WORK OR BRAKING EFFECT IS POOR...771
H-14 WHEEL BRAKES ARE NOT RELEASED OR BRAKES DRAG...773
H-15 PARKING BRAKE DOES NOT WORK OR BRAKING EFFECT IS POOR...774
H-16 PARKING BRAKE IS NOT RELEASED OR BRAKE DRAGS...775
WORK EQUIPMENT...776
H-17 NEITHER BOOM NOR BUCKET MOVE...776
H-18 BOTH BOOM AND BUCKET ARE SLOW OR LACK POWER...777
H-19 BOOM DOES NOT MOVE...778
H-20 BOOM IS SLOW OR BOOM LACKS POWER...779
H-21 BOOM CANNOT BE SET TO FLOAT OR CANNOT BE RELEASED FROM FLOAT...780
H-22 BOOM DROPS MOMENTARILY WHEN CONTROL LEVER IS OPERATED FROM HOLD TO RAISE...780
H-23 EXCESSIVE HYDRAULIC DRIFT OF BOOM...781
H-24 BUCKET DOES NOT MOVE...782
H-25 BUCKET IS SLOW OR LACKS POWER...783
H-26 EXCESSIVE HYDRAULIC DRIFT OF BUCKET...784
TROUBLESHOOTING OF JOYSTICK STEERING CONTROLLER SYSTEM (J MODE)...785
JUDGEMENT TABLE FOR JOYSTICK CONTROLLER SYSTEM RELATED PARTS...787
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...788
ELECTRICAL CIRCUIT DIAGRAM...792
J-1 FAILURE CODE [56] (SHORT CIRCUIT, DISCONNECTION IN CAUTION RELAY OUTPUT) IS DISPLAYED...793
J-2 FAILURE CODE [57] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID (DETECTED WHEN OUTPUT)) IS DISPLAYED...794
J-3 FAILURE CODE [58] (SHORT CIRCUIT IN STEERING LEFT SOLENOID (DETECTED WHEN OUTPUT)) IS DISPLAYED...795
J-4 FAILURE CODE [59] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID (HOT END)) IS DISPLAYED...796
J-5 FAILURE CODE [60] (SHORT CIRCUIT IN STEERING LEFT SOLENOID (HOT END)) IS DISPLAYED...797
J-6 FAILURE CODE [61] (SHORT CIRCUIT, DISCONNECTION IN STEERING SOLENOID CUT RELAY OUTPUT) IS DIS...798
J-7 FAILURE CODE [62] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING NEUTRAL SIGNAL) IS DISPL...799
J-8 FAILURE CODE [63] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING LEVER POTENTIOMETER SYST...800
J-9 ABNORMALITY IN POWER SOURCE, VOLTAGE...801
J-10 ABNORMALITY IN JOYSTICK STEERING ON-OFF SIGNAL SYSTEM...802
J-11 DISCONNECTION IN STEERING RIGHT SOLENOID...803
J-12 DISCONNECTION IN STEERING LEFT SOLENOID...804
TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)...805
K-1 WHEN STARTING SWITCH IS TURNED ON, ALL LAMPS ON MAINTENANCE MONITOR DO NOT LIGHT UP FOR 3 SEC...807
A. NO LAMPS ON MAINTENANCE MONITOR LIGHT UP...807
B. SOME LAMPS DO NOT LIGHT UP...807
K-2 WHEN STARTING SWITCH IS TURNED ON, ALL LAMPS ON MAINTENANCE MONITOR LIGHT UP BUT DO NOT GO OU...808
K-3 WHEN ENGINE IS STARTED IMMEDIATELY AFTER STARTING SWITCH IS TURNED ON (WITHIN 3 SECONDS), NO ...809
K-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK ITEMS FLASH...810
A. ENGINE OIL LEVEL DISPLAY FLASHES...810
B. ENGINE WATER LEVEL DISPLAY FLASHES...811
K-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STARTED), CAUTION ITEMS FLASH...812
A. ENGINE OIL PRESSURE DISPLAY FLASHES...812
B. BATTERY CHARGE LEVEL DISPLAY FLASHES...813
C. BRAKE OIL PRESSURE DISPLAY FLASHES...814
D. AIR CLEANER (L.H.) DISPLAY FLASHES...815
E. AIR CLEANER (R.H.) DISPLAY FLASHES...816
K-6 CAUTION ITEMS ARE FLASHING BUT CAUTION BUZZER DOES NOT SOUND...817
K-7 THERE IS NO ABNORMALITY IN MONITOR DISPLAY BUT CAUTION BUZZER SOUNDS...818
K-8 CAUTION ITEMS ARE FLASHING BUT WARNING LAMP (CHECK LAMP, CAUTION LAMP) DOES NOT FLASH...819
A. CHECK LAMP...819
B. CAUTION LAMP...819
K-9 THERE IS NO ABNORMALITY IN MAINTENANCE MONITOR DISPLAY BUT WARNING LAMP (CHECK LAMP, CAUTION ...820
A. CHECK LAMP...820
B. CAUTION LAMP...820
K-10 NIGHT LIGHTING DOES NOT LIGHT UP WHEN LAMP SWITCH IS TURNED ON (ONLY LIGHTING OF MAINTENANCE...821
K-11 NIGHT LIGHTING LIGHTS UP EVEN WHEN LAMP SWITCH IS OFF, NIGHT LIGHTING STAYS LIGHTED UP...822
K-12 SERVICE METER DOES NOT WORK...823
K-13 SERVICE METER IS RUNNING EVEN WHEN ENGINE IS STOPPED...823
K-14 ABNORMALITY IN GAUGE ITEMS...825
A. ABNORMALITY IN FUEL GAUGE...825
B. ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE...826
C. ABNORMALITY IN TORQUE CONVERTER OIL TEMPERATURE GAUGE...827
TROUBLESHOOTING OF MAIN MONITOR (M MODE)...829
M-1 MAIN MONITOR DOES NOT WORK...831
M-2 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED IMMEDIATELY, ALL LAMPS STAY LIGHTED UP...832
M-3 SPEEDOMETER DISPLAY DOES NOT WORK PROPERLY...833
M-4 ABNORMALITY IN SHIFT INDICATOR...834
A. DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT F...834
B. DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT R...834
C. DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N, AND DISPLAYS E WHEN DIRECTIONAL LEVER ...834
D. DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N, AND DISPLAYS E WHEN DIRECTIONAL LEVER ...835
E. DOES NOT DISPLAY 1ST EVEN WHEN SPEED LEVER IS AT 1 (DIRECTIONAL LEVER AT F OR R)...835
F. DOES NOT DISPLAY 2ND EVEN WHEN SPEED LEVER IS AT 2 (DIRECTIONAL LEVER AT F OR R)...835
G. DOES NOT DISPLAY 3RD EVEN WHEN SPEED LEVER IS AT 3 (DIRECTIONAL LEVER AT F OR R)...836
H. DOES NOT DISPLAY 4TH EVEN WHEN SPEED LEVER IS AT 4 (DIRECTIONAL LEVER AT F OR R)...836
M-5 TURN SIGNAL DISPLAY DOES NOT LIGHT UP...838
A. L.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP...838
B. R.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP...838
M-6 ABNORMALITY IN PARKING DISPLAY...839
A. PARKING LAMP DISPLAY DOES NOT LIGHT UP...839
B. PARKING LAMP DISPLAY STAYS LIGHTED UP...839
M-7 NIGHT LIGHTING DOES NOT LIGHT UP...840
M-8 ABNORMALITY IN FRONT WORKING LAMP...841
A. NEITHER MONITOR DISPLAY NOR FRONT WORKING LAMP LIGHT UP...841
B. WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP...841
C. MONITOR DISPLAY LIGHTS UP BUT WORKING LAMP DOES NOT LIGHT UP...841
M-9 ABNORMALITY IN REAR WORKING LAMP...843
A. NEITHER MONITOR DISPLAY NOR REAR WORKING LAMP LIGHT UP...843
B. WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP...843
C. MONITOR DISPLAY LIGHTS UP BUT WORKING LAMP DOES NOT LIGHT UP...843
M-10 ABNORMALITY IN TRANSMISSION CUT-OFF...845
STANDARD SPECIFICATION...845
A. WHEN TRANSMISSION CUT-OFF SWITCH IS PRESSED, CUT-OFF FUNCTION IS NOT SWITCHED AND DISPLAY DOES...845
B. WHEN TRANSMISSION CUT-OFF SWITCH IS TURNED OFF, CUT-OFF FUNCTION IS ALWAYS ACTUATED...845
C. TRANSMISSION CUT-OFF SWITCH TURNED ON, BUT CUT-OFF FUNCTION IS NOT ACTUATED...846
AUTO-SHIFT SPECIFICATION...847
A. WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS PRESSED, CUT-OFF FUNCTION IS NOT SWITCHED...847
B. WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS OFF, MONITOR DISPLAY GOES OUT BUT CUT-OFF...847
C. WHEN MONITOR DISPLAY IS TURNED OFF (TRANSMISSION CUT-OFF SWITCH TURNED OFF), CUT-OFF FUNCTION ...847
D. CUT-OFF FUNCTION IS ALWAYS ACTUATED REGARDLESS OF MONITOR DISPLAY (TRANSMISSION CUT-OFF SWITCH...847
E. MONITOR DISPLAY LIGHTS UP (TRANSMISSION CUT-OFF SWITCH TURNED ON), BUT CUT-OFF FUNCTION IS NOT...848
M-11 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING...849
A. WHEN PARKING BRAKE IS APPLIED, BUZZER SOUNDS (INTERMITTENTLY) AND CAUTION LAMP FLASHES EVEN WH...849
B. WHEN PARKING BRAKE IS APPLIED, BUZZER DOES NOT SOUND AND CAUTION LAMP DOES NOT LIGHT UP EVEN W...849
M-12 WHEN PARKING BRAKE DRAGGING WARNING IS GIVEN, BUZZER AND CAUTION LAMP ARE ACTUATED CONTINUOU...851
A. ACTUATED CONTINUOUSLY...851
B. NOT ACTUATED...851
M-13 ABNORMALITY IN BUZZER...852
A. BUZZER DOES NOT SOUND WHEN STARTING SWITCH IS AT ON (FOR 3 SECONDS) (DURING SELF-CHECK)...852
B. BUZZER ALWAYS SOUNDS...852
M-14 CONDITION OF MONITOR SWITCHES IS NOT STORED IN MEMORY...853
M-15 ABNORMALITY IN FAILURE DISPLAY MODE...854
A. DOES NOT ENTER FAILURE DISPLAY MODE...854
B. COUNT FOR TIME ELAPSED SINCE FAILURE IN FAILURE DISPLAY MODE DOES NOT ADVANCE...854
M-16 ABNORMALITY IN ELECTRIC ENGINE THROTTLE CONTROLLER ERROR DISPLAY...855
A. THERE IS NO ABNORMALITY ON MACHINE BUT ERROR CODE [91] IS DISPLAYED...855
B. THERE IS NO ABNORMALITY ON MACHINE BUT ERROR CODE [92] IS DISPLAYED...855
C. PROBLEM IS ERROR CODE [90(94)] BUT ERROR CODE [91(93)] IS DISPLAYED...855
D. PROBLEM IS ERROR CODE [90(96)] BUT ERROR CODE [92(95)] IS DISPLAYED...856
M-17 ABNORMALITY IN EMERGENCY STEERING ACTUATION DISPLAY...857
A. EMERGENCY STEERING ACTUATION DISPLAY DOES NOT LIGHT UP...857
B. EMERGENCY STEERING ACTUATION DISPLAY STAYS LIGHTED UP...857
M-18 ABNORMALITY IN AUTO-GREASING SYSTEM...858
A. FORCED GREASING CANNOT BE CARRIED OUT...858
B. MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SET)...858
C. WHEN NO MORE GREASE REMAINS, MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SEC)...858
D. MONITOR DISPLAY FLASHES SLOWLY (1 TIME/SEC)...859
E. MONITOR DISPLAY GOES OUT...859
M-19 ABNORMALITY IN LOW IDLING SELECT SYSTEM...860
A. DISPLAY DOES NOT CHANGE WHEN SWITCH IS PRESSED...860
B. MONITOR DISPLAY LIGHTS UP BUT LOW IDLING SELECT FUNCTION DOES NOT WORK...860
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)...861
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)...863
S-2 ENGINE DOES NOT START...868
A. ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)...868
B. EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)...870
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)...871
S-4 ENGINE STOPS DURING OPERATIONS...872
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...874
S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)...875
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...876
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)...877
S-9 OIL BECOMES CONTAMINATED QUICKLY...878
S-10 FUEL CONSUMPTION IS EXCESSIVE...879
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN...880
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)...881
S-13 OIL LEVEL RISES...882
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)...883
S-15 ABNORMAL NOISE IS MADE...884
S-16 VIBRATION IS EXCESSIVE...886
TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (T MODE)...887
JUDGEMENT TABLE FOR TRANSMISSION CONTROLLER SYSTEM RELATED PARTS...888
CONTROLLER ACTIONS DURING ABNORMALITY...890
T-1 FAILURE CODE [10] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN BACKUP LA...896
T-2 FAILURE CODE [12] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN F SOLENOI...897
T-3 FAILURE CODE [13] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN R SOLENOI...898
T-4 FAILURE CODE [14] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 1ST SOLEN...899
T-5 FAILURE CODE [15] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 2ND SOLEN...900
T-6 FAILURE CODE [16] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 3RD SOLEN...901
T-7 FAILURE CODE [15] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 4TH SOLEN...902
T-8 FAILURE CODE [19] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK DIRECTIONAL SWITCH SYSTEM) IS DIS...904
T-9 FAILURE CODE [20] (SHORT CIRCUIT, DISCONNECTION IN DIRECTIONAL SWITCH SYSTEM) IS DISPLAYED...906
T-10 FAILURE CODE [21] (SHORT CIRCUIT, DISCONNECTION IN RANGE SWITCH SYSTEM) IS DISPLAYED...908
T-11 FAILURE CODE [22] (DISCONNECTION IN TRAVEL SPEED SENSOR SYSTEM) IS DISPLAYED...910
T-12 FAILURE CODE [23] (SHORT CIRCUIT, DISCONNECTION IN ENGINE SPEED SENSOR SYSTEM) IS DISPLAYED...911
A. TRANSMISSION CONTROLLER SYSTEM...911
B. ELECTRIC ENGINE THROTTLE CONTROLLER SYSTEM...911
T-13 HOLD SWITCH SYSTEM...914
T-14 KICK-DOWN SWITCH SYSTEM...914
T-15 TRANSMISSION CUT-OFF SIGNAL SYSTEM...915
T-16 NEUTRALIZER RELAY SIGNAL SYSTEM...916
T-17 BUZZER SIGNAL SYSTEM...917
T-18 NETWORK SYSTEM...918
T-19 TRANSMISSION CONTROLLER POWER SOURCE SYSTEM...919
T-20 SHORT CIRCUIT IN TRAVEL SPEED SENSOR SYSTEM...920
TESTING, ADJUSTING AND TROUBLESHOOTING AIR CONDITIONER...921
SERVICE TOOLS...317
GAUGE MANIFOLD...1253
STRUCTURE AND HANDLING OF GAUGE MANIFOLD...924
CHARGING HOSES...355
GAS LEAK DETECTOR...927
HALIDE TORCH LEAK DETECTOR...318
ELECTRIC LEAK TESTER...360
VALVE FOR SERVICE CANS...931
MAINTENANCE PROCEDURE...932
PRECAUTIONS WHEN REMOVING OR INSTALLING PIPING...371
PROHIBITED WORK...371
OTHER PRECAUTIONS...932
BLEEDING AIR FROM REFRIGERATION CIRCUIT...383
PURPOSE...383
CONNECTING GAUGE MANIFOLD...390
EVACUATION...1255
AIR-TIGHTNESS CHECK...321
GAS-LEAK CHECK...321
EVACUATION (REPEATING)...321
CHARGING THE REFRIGERATION CIRCUIT WITH REFRIGERANT...321
CHARGING FROM THE HIGH-PRESSURE SIDE...384
CHARGING FROM THE LOW PRESSURE SIDE...938
WHEN THE AMBIENT TEMPERATURE IS LOW...939
WHEN THE AMBIENT TEMPERATURE IS HIGH...321
REPLACING SERVICE CANS...322
CHECKING THE AMOUNT OF REFRIGERANT...322
REMOVAL OF GAUGE MANIFOLD...322
DISCHARGING THE REFRIGERANT...942
DAILY CHECKS...322
CHECK REFRIGERANT LEVEL...943
CLEANING THE CONDENSER...943
CHECKING THE V-BELT...943
CHECKING OIL LEVEL...944
PROCEDURE FOR CHECKING...322
PROCEDURE FOR CHECKING OIL LEVEL...322
ADDING AND REMOVING OIL...945
ADDING OIL BY EVACUATION...322
TROUBLESHOOTING...413
VISUAL AND ACOUSTICAL CHECKS...415
DEFECTIVE COOLING...293
TROUBLESHOOTING TABLE...317
DEFECTIVE HEATING...317
TROUBLESHOOTING USING GAUGE MANIFOLD...952
PREPARATIONS BEFORE MEASURING...491
INSUFFICIENT REFRIGERANT...491
EXCESSIVE REFRIGERANT OR INSUFFICIENT COOLING OF CONDENSER...953
AIR INSIDE REFRIGERATION SYSTEM...954
MOISTURE IN REFRIGERATING SYSTEM...955
REFRIGERANT DOES NOT CIRCULATE...956
FAILURE OF EXPANSION VALVE (OPEN TO FAR), DEFECTIVE MOUNTING OF HEAT SENSING TUBE...957
DEFECTIVE COMPRESSION BY COMPRESSOR...958
30 DISASSEMBLY AND ASSEMBLY...959
METHOD OF USING MANUAL...963
PRECAUTIONS DURING OPERATION...964
PRECAUTIONS WHEN CARRYING OUT REMOVAL WORK...964
PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK...965
PRECAUTIONS WHEN COMPLETING THE OPERATIONS...966
OTHER PRECAUTIONS...318
SPECIAL TOOL LIST...967
SKETCHES OF SPECIAL TOOLS...971
ENGINE...975
ALTERNATOR...975
CYLINDER HEAD...975
ENGINE FRONT SEAL...975
ENGINE OIL COOLER...975
ENGINE REAR SEAL...975
FUEL INJECTION PUMP...975
NOZZLE HOLDER...322
STARTING MOTOR...975
THERMOSTAT...975
TURBOCHARGER...322
WATER PUMP...322
HYDRAULIC OIL COOLER, RADIATOR, AFTERCOOLER...976
REMOVAL...976
INSTALLATION...977
DAMPER, ENGINE...978
REMOVAL...978
INSTALLATION...980
DAMPER...981
REMOVAL...981
INSTALLATION...982
DISASSEMBLY...983
ASSEMBLY...985
PTO...989
DISASSEMBLY...989
ASSEMBLY...991
TORQUE CONVERTER, TRANSMISSION...994
REMOVAL...994
INSTALLATION...998
TORQUE CONVERTER...999
DISASSEMBLY...999
ASSEMBLY...1003
TRANSMISSION...1008
DISASSEMBLY...1008
ASSEMBLY...1022
TRANSMISSION VALVE...1037
REMOVAL...1037
INSTALLATION...1037
TRANSMISSION CONTROL VALVE...1038
LOWER VALVE...1038
DISASSEMBLY...1039
ASSEMBLY...1039
UPPER VALVE...1040
DISASSEMBLY...1041
ASSEMBLY...1043
MAIN RELIEF VALVE...1044
DISASSEMBLY...1045
ASSEMBLY...1045
TRANSFER...1046
DISASSEMBLY...1046
ASSEMBLY...1053
CENTER SUPPORT...1063
REMOVAL...1063
INSTALLATION...1064
DISASSEMBLY...1065
ASSEMBLY...1067
DRIVE SHAFT...1070
DISASSEMBLY...1070
ASSEMBLY...1072
FRONT AXLE...1074
REMOVAL...1074
INSTALLATION...1075
FRONT DIFFERENTIAL...1076
REMOVAL...1076
INSTALLATION...1078
REAR AXLE...1079
REMOVAL...1079
INSTALLATION...1084
REAR DIFFERENTIAL...1085
REMOVAL...1085
INSTALLATION...1086
DIFFERENTIAL...1087
DISASSEMBLY...1087
ASSEMBLY...1091
FINAL DRIVE...1100
DISASSEMBLY...1100
ASSEMBLY...1104
ORBITROL STEERING VALVE...1108
REMOVAL...1108
INSTALLATION...1109
STEERING CYLINDER...1110
REMOVAL...1110
INSTALLATION...1112
STEERING DEMAND VALVE...1113
REMOVAL...1113
INSTALLATION...1114
BRAKE VALVE...1115
REMOVAL...1115
INSTALLATION...1116
BRAKE VALVE (RIGHT)...1117
DISASSEMBLY...1117
ASSEMBLY...1119
BRAKE VALVE (LEFT)...1121
DISASSEMBLY...1121
ASSEMBLY...1123
SLACK ADJUSTER...1125
REMOVAL...1125
INSTALLATION...1125
DISASSEMBLY...1126
ASSEMBLY...1127
BRAKE...1128
REMOVAL...1128
INSTALLATION...1129
DISASSEMBLY...1130
ASSEMBLY...1134
HYDRAULIC PUMP...1140
REMOVAL...1140
INSTALLATION...1141
PISTON PUMP...1142
DISASSEMBLY...1142
ASSEMBLY...1148
HYDRAULIC TANK...1164
REMOVAL...1164
INSTALLATION...1165
PPC VALVE...1166
REMOVAL...1166
INSTALLATION...1167
DISASSEMBLY...1168
ASSEMBLY...1168
WORK EQUIPMENT CONTROL VALVE...1169
REMOVAL...1169
INSTALLATION...1170
DISASSEMBLY...1171
ASSEMBLY...1173
DUMP CYLINDER...1175
REMOVAL...1175
INSTALLATION...1175
LIFT CYLINDER...1176
REMOVAL...1176
INSTALLATION...1177
STEERING, LIFT, DUMP CYLINDER...1178
DISASSEMBLY...1178
ASSEMBLY...1180
CENTER HINGE PIN...1182
REMOVAL...1182
INSTALLATION...1188
WORK EQUIPMENT...1192
REMOVAL...1192
INSTALLATION...1195
BULKHEAD...1197
REMOVAL...1197
INSTALLATION...1198
FLOOR FRAME...1199
REMOVAL...1199
INSTALLATION...1201
COUNTERWEIGHT...1202
REMOVAL...1202
INSTALLATION...1203
FUEL TANK...1204
REMOVAL...1204
INSTALLATION...1205
CAB...1206
REMOVAL...1206
INSTALLATION...1208
STOP VALVE...1209
REMOVAL...1209
INSTALLATION...1209
ACCUMULATOR CHARGE VALVE...1210
REMOVAL...1210
INSTALLATION...1210
DISASSEMBLY...1211
ASSEMBLY...1212
PARKING BRAKE SOLENOID VALVE AND PRESSURE SWITCH...1214
REMOVAL...1214
INSTALLATION...1214
DIVERTER VALVE...1215
REMOVAL...1215
INSTALLATION...1215
DISASSEMBLY...1216
ASSEMBLY...1217
EMERGENCY STEERING PUMP...1219
REMOVAL...1219
INSTALLATION...1219
PARKING BRAKE...1220
REMOVAL...1220
INSTALLATION...1221
PARKING BRAKE CALIPERS...1222
DISASSEMBLY...1222
ASSEMBLY...1224
PARKING BRAKE PAD...1226
REMOVAL...1226
INSTALLATION...1226
REAR TIRE...1227
REMOVAL...1227
INSTALLATION...1227
AIR CONDITIONER COMPRESSOR...1228
REMOVAL...1228
INSTALLATION...1228
AIR CONDITIONER CONDENSER...1229
REMOVAL...1229
INSTALLATION...1230
AIR CONDITIONER RECEIVER TANK...1231
REMOVAL...1231
INSTALLATION...1231
AIR CONDITIONER UNIT...1232
REMOVAL...1232
INSTALLATION...1233
MAIN MONITOR...1234
REMOVAL...1234
INSTALLATION...1235
MAINTENANCE MONITOR...1236
REMOVAL...1236
INSTALLATION...1236
ENGINE, APS CONTROLLER...1237
REMOVAL...1237
INSTALLATION...1237
40 MAINTENANCE STANDARD...1241
ENGINE AND TRANSMISSION MOUNT...1242
DAMPER...1244
TORQUE CONVERTER AND PTO...1246
TRANSMISSION CLUTCH...1248
TRANSMISSION GEAR...1250
TRANSMISSION CONTROL VALVE...1252
UPPER VALVE...1252
RELIEF VALVE...1252
LOWER VALVE...1254
SOLENOID VALVE...1256
TRANSFER...1258
DRIVE SHAFT...1260
CENTER SUPPORT...1261
DIFFERENTIAL...1262
FINAL DRIVE...1266
AXLE MOUNT...1268
CENTER HINGE PIN...1270
STEERING COLUMN...1273
STEERING DEMAND VALVE...1274
DIVERTER VALVE...1277
STEERING CYLINDER MOUNT...1278
GROUND DRIVEN STEERING PUMP...1280
BRAKE VALVE...1282
LEFT...1282
RIGHT...1284
SLACK ADJUSTER...1286
CONTROL PUMP...1287
BRAKE...1288
PARKING BRAKE...1290
MAIN CONTROL VALVE...1292
PPC VALVE...1294
PPC RELIEF VALVE...1296
HYDRAULIC CYLINDER...1298
WORK EQUIPMENT LINKAGE...1300
BUCKET POSITIONER...1302
BOOM KICK-OUT...1302
90 OTHERS...1305
SHOP MANUAL FOLDOUTS...1307
ELECTRICAL CIRCUIT DIAGRAM...1307
DIAGRAM ONE (1/6)...1307
DIAGRAM ONE (2/6)...1309
DIAGRAM ONE (3/6)...1311
DIAGRAM ONE (4/6)...1313
DIAGRAM ONE (5/6)...1315
DIAGRAM ONE (6/6)...1317
DIAGRAM TWO (1/4)...1319
DIAGRAM TWO (2/4) ...1321
DIAGRAM TWO (3/4)...1323
DIAGRAM TWO (4/4)...1325
CONNECTOR PIN ARRANGMENT...1327
CONNECTOR PIN DIGRAM (1/6)...1327
CONNECTOR PIN DIAGRAM (2/6) ...1329
CONNECTOR PIN DIAGRAM (3/6)...1331
CONNECTOR PIN DIAGRAM (4/6)...1333
CONNECTOR PIN DIAGRAM (5/6)...1335
CONNECTOR PIN DIAGRAM (6/6)...1337
ELECTRICAL CIRCUIT DIAGRAM FOR JOYSTICK STEERING SYSTEM...1339
CEBM004402...1345
COVER...1345
CONTENTS...1346
01 GENERAL...1375
GENERAL ASSEMBLY DRAWING...1376
SPECIFICATIONS...1377
WEIGHT TABLE...1380
LIST OF LUBRICANT AND WATER...1382
REMARKS...1383
10 STRUCTURE AND FUNCTION...1385
POWER TRAIN SYSTEM...1388
DAMPER...1390
OPERATION...1390
TORQUE CONVERTER AND TRANSMISSION...1392
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM...1392
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM...1394
TORQUE CONVERTER AND TRANSMISSION PIPING...1395
TORQUE CONVERTER AND PTO...1396
TRANSMISSION...1399
OPERATION OF CLUTCH...1402
FORWARD 1ST...1403
FORWARD 2ND...1404
FORWARD 3RD...1405
FORWARD 4TH...1406
REVERSE 1ST...1407
TRANSMISSION CONTROL VALVE...1408
TRANSMISSION SOLENOID VALVE...1409
UPPER VALVE...1410
MAIN RELIEF VALVE...1410
LOWER VALVE...1411
MAIN RELIEF VALVE...1412
PILOT REDUCING VALVE...1413
TRANSMISSION SOLENOID VALVE...1414
PRIORITY VALVE...1415
MODULATING VALVE AND QUICK RETURN VALVE...1416
REDUCING VALVE...1419
QUICK FILL VALVE (FOR 2ND CLUTCH)...1420
TORQUE CONVERTER RELIEF VALVE...1421
LUBRICATING RELIEF VALVE...1422
EMERGENCY MANUAL SPOOL...1423
LUBRICATION BYPASS VALVE...1424
HYDRAULIC CIRCUIT SCHEMATIC...1426
FORWARD 1ST...1426
TRANSFER...1428
AXLE...1429
FRONT AXLE...1429
REAR AXLE...1430
DIFFERENTIAL...1431
FRONT DIFFERENTIAL...1431
REAR DIFFERENTIAL...1432
FINAL DRIVE...1433
STEERING...1435
STEERING PIPING DIAGRAM...1435
STEERING AND SWITCH PUMP...1436
STEERING UNIT (ORBIT-ROLL VALVE)...1438
STEERING DEMAND VALVE...1441
OVERLOAD RELIEF VALVE...1442
MAIN RELIEF VALVE...1444
OPERATION OF DEMAND VALVE...1446
WHEN STEERING SPOOL IS OPERATED...1447
OPERATION OF STEERING VALVE...1449
TWO-WAY RESTRICTOR...1452
STOP VALVE...1453
DIVERTER VALVE...1454
GROUND DRIVEN STEERING RELIEF VALVE...1457
BRAKE...1458
BRAKE PIPING...1458
BRAKE CIRCUIT DIAGRAM...1459
BRAKE VALVE...1460
BRAKE VALVE (RIGHT)...1460
BRAKE VALVE (LEFT)...1461
CHARGE VALVE...1466
ACCUMULATOR (FOR BRAKE)...1470
SLACK ADJUSTER...1471
BRAKE...1473
PARKING BRAKE...1475
PARKING BRAKE CALIPER...1476
SPRING CYLINDER...1477
PARKING BRAKE SOLENOID VALVE...1478
HYDRAULIC...1480
HYDRAULIC PIPING...1480
HYDRAULIC CIRCUIT DIAGRAM...1482
MAIN PISTON PUMP...1485
PISTON PUMP (HPV90 + HPF90)...1486
CONTROL PUMP (BAR025)...1491
CONTROL PUMP RELIEF VALVE...1492
ES VALVE (ENGINE SENSING VALVE)...1493
SERVO VALVE...1494
PRESSURE DIFFERENTIAL VALVE...1495
PPC VALVE (PROPORTIONAL PRESSURE VALVE)...1496
PPC RELIEF VALVE...1500
ACCUMULATOR (FOR PPC VALVE)...1501
MAIN CONTROL VALVE...1502
WORK EQUIPMENT...1504
WORK EQUIPMENT LUBRICATION...1504
WORK EQUIPMENT LINKAGE...1506
BUCKET POSITIONER AND BOOM KICK-OUT...1508
BUCKET POSITIONER...1509
BOOM KICK-OUT...1509
PROXIMITY SWITCH - OPERATION...1510
BOOM RAISE...1510
BUCKET TILT...1512
AIR CONDITIONER...1514
AIR CONDITIONER PIPING...1514
AIR CONDITIONER CONDENSER...1515
AIR CONDITIONER COMPRESSOR...1516
DRY RESERVOIR...1517
MAIN MONITOR SYSTEM...1518
MAIN MONITOR...1519
MAIN MONITOR DISPLAY FUNCTION TABLE...1520
MAIN MONITOR SWITCH FUNCTION...1522
TROUBLE DATA DISPLAY MODE...1523
MAINTENANCE MONITOR...1524
MAINTENANCE MONITOR DISPLAY FUNCTION TABLE...1525
AUTOMATIC TRANSMISSION SYSTEM (ATM)...1527
SYSTEM STRUCTURE DIAGRAM...1528
JOYSTICK...1541
JOYSTICK TRANSMISSION SYSTEM...1541
TRANSMISSION AND JOYSTICK CONTROLLER...1542
ELECTRICAL...1545
ENGINE STARTING CIRCUIT...1545
ENGINE STOP CIRCUIT...1547
AUTO PRIMING SYSTEM (APS)...1548
APS CONTROLLER...1549
APS ASSISTER...1549
ELECTRICAL TRANSMISSION CONTROL...1552
COMBINATION SWITCH...1554
KICK-DOWN, HOLD SWITCH...1556
KICK-DOWN ELECTRICAL CIRCUIT...1557
PARKING BRAKE SWITCH...1564
PARKING BRAKE VALVE...1565
PARKING SAFETY RELAY...1565
NEUTRALIZER RELAY...1565
EMERGENCY BRAKE SWITCH...1565
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (1 0F 6)...1573
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (2 OF 6)...1575
ELECTRICALCIRCUIT DIAGRAM FOLDOUT (3 OF 6)...1577
ELECTRICAL CIRUIT DIAGRAM FOLDOUT (4 OF 6)...1579
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (5 OF 6)...1581
ELECTRICAL CIRCUIT DIAGRAM FOLDOUT (6 OF 6)...1583
ELECTRICAL CIRCUIT DIAGRAM (2) (1 OF 4)...1585
ELECTRICAL CIRCUIT DIAGRAM (2) (2 OF 4)...1587
ELECTRICAL CIRCUIT DIAGRAM (2) (3 OF 4)...1589
ELECTRICAL CIRCUIT DIAGRAM (2) (4 OF 4)...1591
20 TESTING, ADJUSTING AND TROUBLESHOOTING...1593
STANDARD VALUE TABLE...1596
ENGINE TABLE - IN CHASSIS...1596
CHASSIS TABLE...1597
STANDARD VALUE TABLE FOR ELECTRICAL PARTS...1602
SERVICE TOOLS...1610
ENGINE...1612
ADJUSTING ENGINE STOP MOTOR CABLE...1612
ADJUSTING ENGINE STOP SOLENOID...1612
MEASURING AND ADJUSTING VALVE CLEARANCE...1612
MEASURING BLOW-BY PRESSURE...1612
MEASURING COMPRESSION PRESSURE...1612
MEASURING COOLANT TEMPERATURE...1612
MEASURING ENGINE LUBRICATING OIL PRESSURE...1612
MEASURING ENGINE SPEEDS...1612
MEASURING EXHAUST COLOR...1612
MEASURING EXHAUST GAS TEMPERATURE...1612
MEASURING FUEL FILTER INLET RESTRICTION...1612
TEST AND ADJUSTING FAN BELT TENSION...1612
TEST AND ADJUSTING FUEL INJECTION TIMING...1612
ACCELERATOR PEDAL...1613
OPERATING FORCE...1613
ADJUSTING PEDAL TRAVEL, POTENTIOMETER...1614
ADJUSTING PEDAL MICRO SWITCH...1616
TORQUE CONVERTER & TRANSMISSION PRESSURE...1617
EMERGENCY MANUAL SPOOL...1620
OPERATION...1620
STEERING...1622
STEERING OIL PRESSURE...1622
MEASURING...1622
ADJUSTING...1622
STEERING STOPPER BOLT...1623
ADJUSTING...1623
JOYSTICK STEERING...1624
ADJUSTING...1624
JOYSTICK LEVER NEUTRAL DETECTION SWITCH...1625
ADJUSTING...1625
BRAKE...1626
BRAKE OIL PRESSURE...1626
TESTING...1626
BRAKE DISC...1627
MEASURING WEAR...1627
BRAKE PERFORMANCE...1628
MEASURING...1628
PARKING BRAKE...1629
TESTING...1629
MEASURING PAD...1629
MEASURING CLEARANCE...1629
ADJUSTING...1630
ACCUMULATOR CHARGE PRESSURE...1631
TESTING...1631
ADJUSTING...1631
WORK EQUIPMENT...1632
PPC RELIEF VALVE...1632
MEASURING HYDRUALIC PRESSURE...1632
ADJUSTING HYDRAULIC PRESSURE...1633
HYDRAULIC PRESSURE...1634
TESTING...1634
ADJUSTING...1635
PISTON PUMP...1636
BLEEDING AIR...1636
LEVER LINKAGE...1637
ADJUSTING...1637
BUCKET POSITIONER...1639
TESTING...1639
ADJUSTING...1639
BOOM KICK-OUT...1640
TESTING...1640
ADJUSTING...1640
PROXIMITY SWITCH ACTUATION PILOT LAMP...1641
LAMP (RED)...1641
MAIN MONITOR (SPEEDOMETER MODULE)...1642
ADJUSTMENT PROCEDURE...1642
BLEEDING AIR...1643
BLEEDING AIR FROM BRAKE SYSTEM...1643
BLEEDING AIR FROM HYDRAULIC CYLINDERS...1643
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...1644
BLEEDING AIR FROM HYDRAULIC TANK...1644
BLEEDING AIR FROM THE PISTON PUMP...1645
BLEEDING AIR FROM THE HYDRAULIC CIRCUIT...1646
TROUBLESHOOTING GENERAL...1647
POINTS TO REMEMBER WHEN TROUBLESHOOTING...2370
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE...1393
PRECAUTIONS WHEN HANDLING ELECTRIC EQUIPMENT...1393
POINTS TO REMEMBER WHEN HANDLING HYDRAULIC EQUIPMENT...1366
CHECKS BEFORE TROUBLESHOOTING...1661
JUDGEMENT OF POWER TRAIN...1398
PRECAUTIONS WHEN TROUBLESHOOTING...1368
PRECAUTIONS WHEN REMOVING, INSTALLING, DISASSEMBLING OR ASSEMBLING PARTS DURING TROUBLESHOOTING...1368
PREVENTING RECURRENCE OF TROUBLE...0
HYDRAULIC EQUIPMENT...1368
OIL CHECKS...1664
CLEANING FRAGMENTS OF DAMAGED PARTS...1369
METHOD OF USING TROUBLESHOOTING CHARTS...1369
CATEGORY OF TROUBLESHOOTING CODE NUMBER...1369
METHOD OF USING TROUBLESHOOTING TABLE FOR EACH TROUBLESHOOTING MODE...1369
METHOD OF USING MATRIX TROUBLESHOOTING TABLES...1370
METHOD OF USING ENGINE RELATED CHARTS...1669
TROUBLESHOOTING ELECTRICAL CONNECTORS...1675
CONNECTOR TYPES...1677
CONNECTOR PIN ARRANGEMENT...1374
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...1374
ELECTRICAL ENGINE THROTTLE CONTROLLER SYSTEM...1457
METHOD OF DISPLAYING ACTION CODE AND FAILURE CODE...1693
CHART OF ACTION CODES AND FAILURE CODES, AND RE-ACTION...1695
TRANSMISSION CONTROLLER LED DISPLAY...1573
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)...1699
E-1 ENGINE DOES NOT START...1368
A. STARTING MOTOR DOES NOT TURN...1702
B. STARTING MOTOR TURNS...1708
E-2 ABNORMALITY IN APS SYSTEM...1711
A. WHEN PREHEATING SWITCH IS TURNED AUTO, PREHEATING LAMP DOES NOT LIGHT UP, BUT NO PILOT LED ON ...1713
B. WHEN PREHEATING SWITCH IS TURNED AUTO AND ENGINE WATER TEMPERATURE IS BELOW 2O° C, PREHEATING ...1714
C. AFTER PREHEATING, FUEL IS NOT INJECTED FROM APS NOZZLE WHEN STARTING SWITCH IS TURNED START, B...1715
D. LED 1 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...1716
E. LED 2 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...1716
F. LED 3 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...1717
G. LED 4 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...1717
H. LED 5 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...1718
I. LED 6 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...1718
J. WHEN PREHEATING SWITCH IS OFF, PREHEATING LAMP LIGHTS UP...1719
E-3 PARKING BRAKE DOES NOT HAVE EFFECT...1720
A. PARKING BRAKE HAS NO EFFECT WHEN PARKING BRAKE SWITCH IS TURNED ON...1720
B. PARKING BRAKE HAS NO EFFECT AND DOES NOT WORK AS EMERGENCY BRAKE WHEN PARKING BRAKE PRESSURE D...1720
E-4 PARKING BRAKE IS APPLIED WHEN MACHINE IS TRAVELING...1722
E-5 PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED ON...1724
E-6 TRANSMISSION DOES NOT CHANGE TO NEUTRAL WHEN PARKING BRAKE IS APPLIED, BUT PARKING BRAKE WORK...1724
E-7 TRANSMISSION DOES NOT WORK PROPERLY...1726
A. ABNORMALITY IN PARKING BRAKE CIRCUIT, TRANSMISSION CUT-OFF SWITCH CIRCUIT OR NEUTRALIZER RELAY...1728
B. NO CONTINUITY IN TRAVEL FORWARD SOLENOID CIRCUIT...1732
C. NO CONTINUITY IN TRAVEL REVERSE SOLENOID CIRCUIT...1734
D. SHORT CIRCUIT TO CHASSIS GROUND IN DIRECTIONAL SOLENOID CIRCUIT...1736
E. ABNORMALITY IN SHIFT SOLENOID CIRCUIT...1742
F. SHORT CIRCUIT TO CHASSIS GROUND IN SHIFT SOLENOID CIRCUIT...1745
E-8 KICK-DOWN SWITCH DOES NOT WORK...1750
E-9 KICK-DOWN WORKS ONLY WHEN KICK-DOWN SWITCH IS BEING TURNED ON...1753
E-10 KICK-DOWN ALWAYS WORKS...1754
E-11 KICK-DOWN SWICTH WORKS EVEN WHEN TRAVELING FORWARD IN 2ND...1756
E-12 BOOM KICK-OUT DOES NOT WORK...1758
E-13 DEFECTIVE BUCKET POSITIONER...1760
E-14 POWER WINDOW DOES NOT WORK...1762
A. WINDOW DOES NOT GO UP...1762
B. WINDOW DOES NOT GO DOWN...1763
E-15 ABNORMALITY IN FRONT WORKING LAMP...1765
E-16 ABNORMALITY IN REAR WORKING LAMP...1765
E-17 ABNORMALITY IN TRANSMISSION CUT-OFF...1765
E-18 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING...1765
E-19 ABNORMALITY IN BUZZER...1765
TROUBLESHOOTING OF ELECTRIC ENGINE THROTTLE & APS CONTROLLERS (G MODE)...1767
JUDGEMENT TABLE...1371
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS...1771
ACTION TAKEN BY CONTROLLER AND CONDITIONS FOR RESETTING WHEN ABNORMALITY OCCURS...1777
POINTS TO REMEMBER WHEN TROUBLESHOOTING...1498
JUDGEMENT TABLE FOR ENGINE CONTROLLER...1780
G-1 [90] [OFF or 101] ABNORMALITY IN POWER SOURCE SYSTEM...1781
G-2 [90] [11] ABNORMALITY IN CONTROLLER SYSTEM...1781
G-3 [90] [21] MISTAKEN CONNECTION OF CONNECTOR...1782
G-4 G-4 [90] [56] ABNORMALITY IN CONTROLLER SOLENOID POWER SOURCE SYSTEM...1782
G-5 [90] [58] ABNORMALITY IN BACK-UP POWER SOURCE SYSTEM...1783
G-6 [90] [59] ABNORMALITY IN SWITCH POWER SOURCE SYSTEM...1784
G-7 [91] [14] ABNORMALITY IN GOVERNOR SOLENOID SYSTEM...1785
G-8 [91] [16] ABNORMALITY IN GOVERNOR CUT RELAY SYSTEM...1786
G-9 [91] [19] ABNORMALITY IN GOVERNOR SERVO SYSTEM...1787
G-10 [91] [1d] ABNORMALITY IN PRE-STROKE SOLENOID SYSTEM...1788
G-11 [92] [12] ABNORMALITY IN RACK SENSOR SYSTEM...1789
G-12 [92] [18] ABNORMALITY IN RACK SENSOR POWER SOURCE SYSTEM...1790
G-13 [93] [1b] ABNORMALITY IN ENGINE SPEED SENSOR A SYSTEM...1791
G-14 [94] [1c] ABNORMALITY IN ENGINE SPEED SENSOR B SYSTEM...1792
G-15 [93, 94] [1b, 1c] ABNORMALITY IN ENGINE SPEED SENSOR A, B SYSTEM...1793
G-16 [95] [40] ABNORMALITY IN WATER TEMPERATURE SENSOR SYSTEM...1793
G-17 [97] [31] ABNORMALITY IN ACCELERATOR SENSOR SYSTEM...1794
G-18 [99] [22] ENGINE OVERRUN...1796
G-19 ENGINE DOES NOT START (CONTROLLER RELATED ONLY)...1796
G-20 ENGINE DOES NOT START...1798
G-21 ENGINE DOES NOT STOP...1801
G-22 DEFECTIVE ACTUATION OF APS...1802
A. PREHEATING LAMP SWITCH DOES NOT LIGHT UP WHEN APS SWITCH IS ON (ALL APS CONTROLLER LEDS ARE AL...1802
B. 1. PREHEATING PILOT LAMP FLASHES WHEN WATER TEMPERATURE IS BELOW 20C WHEN APS SWITCH IS ON (C...1804
B. 2. PREHEATING PILOT LAMP LIGHTS UP WHEN WATER TEMPERATURE IS ABOVE 20C WHEN APS SWITCH IS ON ...1804
C. NOZZLE DOES NOT INJECT FUEL WHEN STARTING SWITCH IS TURNED TO START AFTER COMPLETION OF PREHEA...1804
D. APS CONTROLLER LED 1 (SHORT CIRCUIT IN GLOW PLUG 1 SYSTEM) GIVES ABNORMAL DISPLAY...1364
E. APS CONTROLLER LED 2 (DISCONNECTION IN GLOW PLUG 1 SYSTEM) GIVES ABNORMAL DISPLAY...1364
F. APS CONTROLLER LED 3 (SHORT CIRCUIT IN GLOW PLUG 2 SYSTEM) GIVES ABNORMAL DISPLAY...1806
G. APS CONTROLLER LED 4 (DISCONNECTION IN GLOW PLUG 2 SYSTEM) GIVES ABNORMAL DISPLAY...1806
H. APS CONTROLLER LED 5 (SHORT CIRCUIT WITH GROUND IN NOZZLE) GIVES ABNORMAL DISPLAY...1807
I. APS CONTROLLER LED 6 (DISCONNECTION IN NOZZLE) GIVES ABNORMAL DISPLAY...1364
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)...1809
POWER TRAIN...1811
H-1 MACHINE DOES NOT START...1811
H-2 MACHINE LACKS POWER OR SPEED WHEN TRAVELING (ALL SPEED RANGES)...1812
H-3 TIME LAG IS EXCESSIVE WHEN STARTING OR SHIFTING GEAR...1813
H-4 TORQUE CONVERTER OIL TEMPERATURE IS HIGH...1814
STEERING...1815
H-5 STEERING DOES NOT TURN...1815
H-6 STEERING DOES NOT TURN [MACHINE WITH JOYSTICK]...1816
H-7 TURNING, RESPONSE OF STEERING IS POOR...1817
H-8 TURNING, RESPONSE OF STEERING IS POOR [MACHINE WITH JOYSTICK]...1818
H-9 STEERING IS HEAVY...1820
H-10 STEERING WHEEL SHAKES OR JERKS...1821
H-11 STEERING SHAKES OR THERE IS EXCESSIVE SHOCK [MACHINE WITH JOYSTICK]...1822
H-12 TURNING RADIUS IS DIFFERENT BETWEEN LEFT AND RIGHT AT MAXIMUM STEERING...1822
BRAKES...1823
H-13 WHEEL BRAKES DO NOT WORK OR BRAKING EFFECT IS POOR...1823
H-14 WHEEL BRAKES ARE NOT RELEASED OR BRAKES DRAG...1825
H-15 PARKING BRAKE DOES NOT WORK OR BRAKING EFFECT IS POOR...1826
H-16 PARKING BRAKE IS NOT RELEASED OR BRAKE DRAGS...1827
WORK EQUIPMENT...1828
H-17 NEITHER BOOM NOR BUCKET MOVE...1828
H-18 BOTH BOOM AND BUCKET ARE SLOW OR LACK POWER...1829
H-19 BOOM DOES NOT MOVE...1830
H-20 BOOM IS SLOW OR BOOM LACKS POWER...1831
H-21 BOOM CANNOT BE SET TO FLOAT OR CANNOT BE RELEASED FROM FLOAT...1832
H-22 BOOM DROPS MOMENTARILY WHEN CONTROL LEVER IS OPERATED FROM HOLD TO RAISE...1832
H-23 EXCESSIVE HYDRAULIC DRIFT OF BOOM...1833
H-24 BUCKET DOES NOT MOVE...1834
H-25 BUCKET IS SLOW OR LACKS POWER...1835
H-26 EXCESSIVE HYDRAULIC DRIFT OF BUCKET...1836
TROUBLESHOOTING OF JOYSTICK STEERING CONTROLLER SYSTEM (J MODE)...1837
JUDGEMENT TABLE FOR JOYSTICK CONTROLLER SYSTEM RELATED PARTS...1839
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...1840
ELECTRICAL CIRCUIT DIAGRAM...1844
J-1 FAILURE CODE [56] (SHORT CIRCUIT, DISCONNECTION IN CAUTION RELAY OUTPUT) IS DISPLAYED...1845
J-2 FAILURE CODE [57] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID (DETECTED WHEN OUTPUT)) IS DISPLAYED...1846
J-3 FAILURE CODE [58] (SHORT CIRCUIT IN STEERING LEFT SOLENOID (DETECTED WHEN OUTPUT)) IS DISPLAYED...1847
J-4 FAILURE CODE [59] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID (HOT END)) IS DISPLAYED...1848
J-5 FAILURE CODE [60] (SHORT CIRCUIT IN STEERING LEFT SOLENOID (HOT END)) IS DISPLAYED...1849
J-6 FAILURE CODE [61] (SHORT CIRCUIT, DISCONNECTION IN STEERING SOLENOID CUT RELAY OUTPUT) IS DIS...1850
J-7 FAILURE CODE [62] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING NEUTRAL SIGNAL) IS DISPL...1851
J-8 FAILURE CODE [63] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING LEVER POTENTIOMETER SYST...1852
J-9 ABNORMALITY IN POWER SOURCE, VOLTAGE...1853
J-10 ABNORMALITY IN JOYSTICK STEERING ON-OFF SIGNAL SYSTEM...1854
J-11 DISCONNECTION IN STEERING RIGHT SOLENOID...1855
J-12 DISCONNECTION IN STEERING LEFT SOLENOID...1856
TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)...1857
K-1 WHEN STARTING SWITCH IS TURNED ON, ALL LAMPS ON MAINTENANCE MONITOR DO NOT LIGHT UP FOR 3 SEC...1859
A. NO LAMPS ON MAINTENANCE MONITOR LIGHT UP...1859
B. SOME LAMPS DO NOT LIGHT UP...1859
K-2 WHEN STARTING SWITCH IS TURNED ON, ALL LAMPS ON MAINTENANCE MONITOR LIGHT UP BUT DO NOT GO OU...1860
K-3 WHEN ENGINE IS STARTED IMMEDIATELY AFTER STARTING SWITCH IS TURNED ON (WITHIN 3 SECONDS), NO ...1861
K-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK ITEMS FLASH...1862
A. ENGINE OIL LEVEL DISPLAY FLASHES...1862
B. ENGINE WATER LEVEL DISPLAY FLASHES...1863
K-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STARTED), CAUTION ITEMS FLASH...1864
A. ENGINE OIL PRESSURE DISPLAY FLASHES...1864
B. BATTERY CHARGE LEVEL DISPLAY FLASHES...1865
C. BRAKE OIL PRESSURE DISPLAY FLASHES...1866
D. AIR CLEANER (L.H.) DISPLAY FLASHES...1867
E. AIR CLEANER (R.H.) DISPLAY FLASHES...1868
K-6 CAUTION ITEMS ARE FLASHING BUT CAUTION BUZZER DOES NOT SOUND...1869
K-7 THERE IS NO ABNORMALITY IN MONITOR DISPLAY BUT CAUTION BUZZER SOUNDS...1870
K-8 CAUTION ITEMS ARE FLASHING BUT WARNING LAMP (CHECK LAMP, CAUTION LAMP) DOES NOT FLASH...1871
A. CHECK LAMP...1871
B. CAUTION LAMP...1871
K-9 THERE IS NO ABNORMALITY IN MAINTENANCE MONITOR DISPLAY BUT WARNING LAMP (CHECK LAMP, CAUTION ...1872
A. CHECK LAMP...1872
B. CAUTION LAMP...1872
K-10 NIGHT LIGHTING DOES NOT LIGHT UP WHEN LAMP SWITCH IS TURNED ON (ONLY LIGHTING OF MAINTENANCE...1873
K-11 NIGHT LIGHTING LIGHTS UP EVEN WHEN LAMP SWITCH IS OFF, NIGHT LIGHTING STAYS LIGHTED UP...1874
K-12 SERVICE METER DOES NOT WORK...1875
K-13 SERVICE METER IS RUNNING EVEN WHEN ENGINE IS STOPPED...1875
K-14 ABNORMALITY IN GAUGE ITEMS...1877
A. ABNORMALITY IN FUEL GAUGE...1877
B. ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE...1878
C. ABNORMALITY IN TORQUE CONVERTER OIL TEMPERATURE GAUGE...1879
TROUBLESHOOTING OF MAIN MONITOR (M MODE)...1881
M-1 MAIN MONITOR DOES NOT WORK...1883
M-2 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED IMMEDIATELY, ALL LAMPS STAY LIGHTED UP...1884
M-3 SPEEDOMETER DISPLAY DOES NOT WORK PROPERLY...1885
M-4 ABNORMALITY IN SHIFT INDICATOR...1886
A. DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT F...1886
B. DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT R...1886
C. DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N, AND DISPLAYS E WHEN DIRECTIONAL LEVER ...1886
D. DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N, AND DISPLAYS E WHEN DIRECTIONAL LEVER ...1887
E. DOES NOT DISPLAY 1ST EVEN WHEN SPEED LEVER IS AT 1 (DIRECTIONAL LEVER AT F OR R)...1887
F. DOES NOT DISPLAY 2ND EVEN WHEN SPEED LEVER IS AT 2 (DIRECTIONAL LEVER AT F OR R)...1887
G. DOES NOT DISPLAY 3RD EVEN WHEN SPEED LEVER IS AT 3 (DIRECTIONAL LEVER AT F OR R)...1888
H. DOES NOT DISPLAY 4TH EVEN WHEN SPEED LEVER IS AT 4 (DIRECTIONAL LEVER AT F OR R)...1888
M-5 TURN SIGNAL DISPLAY DOES NOT LIGHT UP...1890
A. L.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP...1890
B. R.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP...1890
M-6 ABNORMALITY IN PARKING DISPLAY...1891
A. PARKING LAMP DISPLAY DOES NOT LIGHT UP...1891
B. PARKING LAMP DISPLAY STAYS LIGHTED UP...1891
M-7 NIGHT LIGHTING DOES NOT LIGHT UP...1892
M-8 ABNORMALITY IN FRONT WORKING LAMP...1893
A. NEITHER MONITOR DISPLAY NOR FRONT WORKING LAMP LIGHT UP...1893
B. WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP...1893
C. MONITOR DISPLAY LIGHTS UP BUT WORKING LAMP DOES NOT LIGHT UP...1893
M-9 ABNORMALITY IN REAR WORKING LAMP...1895
A. NEITHER MONITOR DISPLAY NOR REAR WORKING LAMP LIGHT UP...1895
B. WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP...1895
C. MONITOR DISPLAY LIGHTS UP BUT WORKING LAMP DOES NOT LIGHT UP...1895
M-10 ABNORMALITY IN TRANSMISSION CUT-OFF...1897
STANDARD SPECIFICATION...1897
A. WHEN TRANSMISSION CUT-OFF SWITCH IS PRESSED, CUT-OFF FUNCTION IS NOT SWITCHED AND DISPLAY DOES...1897
B. WHEN TRANSMISSION CUT-OFF SWITCH IS TURNED OFF, CUT-OFF FUNCTION IS ALWAYS ACTUATED...1897
C. TRANSMISSION CUT-OFF SWITCH TURNED ON, BUT CUT-OFF FUNCTION IS NOT ACTUATED...1898
AUTO-SHIFT SPECIFICATION...1899
A. WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS PRESSED, CUT-OFF FUNCTION IS NOT SWITCHED...1899
B. WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS OFF, MONITOR DISPLAY GOES OUT BUT CUT-OFF...1899
C. WHEN MONITOR DISPLAY IS TURNED OFF (TRANSMISSION CUT-OFF SWITCH TURNED OFF), CUT-OFF FUNCTION ...1899
D. CUT-OFF FUNCTION IS ALWAYS ACTUATED REGARDLESS OF MONITOR DISPLAY (TRANSMISSION CUT-OFF SWITCH...1899
E. MONITOR DISPLAY LIGHTS UP (TRANSMISSION CUT-OFF SWITCH TURNED ON), BUT CUT-OFF FUNCTION IS NOT...1900
M-11 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING...1901
A. WHEN PARKING BRAKE IS APPLIED, BUZZER SOUNDS (INTERMITTENTLY) AND CAUTION LAMP FLASHES EVEN WH...1901
B. WHEN PARKING BRAKE IS APPLIED, BUZZER DOES NOT SOUND AND CAUTION LAMP DOES NOT LIGHT UP EVEN W...1901
M-12 WHEN PARKING BRAKE DRAGGING WARNING IS GIVEN, BUZZER AND CAUTION LAMP ARE ACTUATED CONTINUOU...1903
A. ACTUATED CONTINUOUSLY...1903
B. NOT ACTUATED...1903
M-13 ABNORMALITY IN BUZZER...1904
A. BUZZER DOES NOT SOUND WHEN STARTING SWITCH IS AT ON (FOR 3 SECONDS) (DURING SELF-CHECK)...1904
B. BUZZER ALWAYS SOUNDS...1904
M-14 CONDITION OF MONITOR SWITCHES IS NOT STORED IN MEMORY...1905
M-15 ABNORMALITY IN FAILURE DISPLAY MODE...1906
A. DOES NOT ENTER FAILURE DISPLAY MODE...1906
B. COUNT FOR TIME ELAPSED SINCE FAILURE IN FAILURE DISPLAY MODE DOES NOT ADVANCE...1906
M-16 ABNORMALITY IN ELECTRIC ENGINE THROTTLE CONTROLLER ERROR DISPLAY...1907
A. THERE IS NO ABNORMALITY ON MACHINE BUT ERROR CODE [91] IS DISPLAYED...1907
B. THERE IS NO ABNORMALITY ON MACHINE BUT ERROR CODE [92] IS DISPLAYED...1907
C. PROBLEM IS ERROR CODE [90(94)] BUT ERROR CODE [91(93)] IS DISPLAYED...1907
D. PROBLEM IS ERROR CODE [90(96)] BUT ERROR CODE [92(95)] IS DISPLAYED...1908
M-17 ABNORMALITY IN EMERGENCY STEERING ACTUATION DISPLAY...1909
A. EMERGENCY STEERING ACTUATION DISPLAY DOES NOT LIGHT UP...1909
B. EMERGENCY STEERING ACTUATION DISPLAY STAYS LIGHTED UP...1909
M-18 ABNORMALITY IN AUTO-GREASING SYSTEM...1910
A. FORCED GREASING CANNOT BE CARRIED OUT...1910
B. MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SET)...1910
C. WHEN NO MORE GREASE REMAINS, MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SEC)...1910
D. MONITOR DISPLAY FLASHES SLOWLY (1 TIME/SEC)...1911
E. MONITOR DISPLAY GOES OUT...1911
M-19 ABNORMALITY IN LOW IDLING SELECT SYSTEM...1912
A. DISPLAY DOES NOT CHANGE WHEN SWITCH IS PRESSED...1912
B. MONITOR DISPLAY LIGHTS UP BUT LOW IDLING SELECT FUNCTION DOES NOT WORK...1912
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)...1913
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)...1915
S-2 ENGINE DOES NOT START...1920
A. ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)...1920
B. EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)...1922
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)...1923
S-4 ENGINE STOPS DURING OPERATIONS...1924
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...1926
S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)...1927
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...1928
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)...1929
S-9 OIL BECOMES CONTAMINATED QUICKLY...1930
S-10 FUEL CONSUMPTION IS EXCESSIVE...1931
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN...1932
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)...1933
S-13 OIL LEVEL RISES...1934
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)...1935
S-15 ABNORMAL NOISE IS MADE...1936
S-16 VIBRATION IS EXCESSIVE...1938
TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (T MODE)...1939
JUDGEMENT TABLE FOR TRANSMISSION CONTROLLER SYSTEM RELATED PARTS...1940
CONTROLLER ACTIONS DURING ABNORMALITY...1942
T-1 FAILURE CODE [10] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN BACKUP LA...1948
T-2 FAILURE CODE [12] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN F SOLENOI...1949
T-3 FAILURE CODE [13] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN R SOLENOI...1950
T-4 FAILURE CODE [14] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 1ST SOLEN...1951
T-5 FAILURE CODE [15] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 2ND SOLEN...1952
T-6 FAILURE CODE [16] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 3RD SOLEN...1953
T-7 FAILURE CODE [15] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 4TH SOLEN...1954
T-8 FAILURE CODE [19] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK DIRECTIONAL SWITCH SYSTEM) IS DIS...1956
T-9 FAILURE CODE [20] (SHORT CIRCUIT, DISCONNECTION IN DIRECTIONAL SWITCH SYSTEM) IS DISPLAYED...1958
T-10 FAILURE CODE [21] (SHORT CIRCUIT, DISCONNECTION IN RANGE SWITCH SYSTEM) IS DISPLAYED...1960
T-11 FAILURE CODE [22] (DISCONNECTION IN TRAVEL SPEED SENSOR SYSTEM) IS DISPLAYED...1962
T-12 FAILURE CODE [23] (SHORT CIRCUIT, DISCONNECTION IN ENGINE SPEED SENSOR SYSTEM) IS DISPLAYED...1963
A. TRANSMISSION CONTROLLER SYSTEM...1963
B. ELECTRIC ENGINE THROTTLE CONTROLLER SYSTEM...1963
T-13 HOLD SWITCH SYSTEM...1966
T-14 KICK-DOWN SWITCH SYSTEM...1966
T-15 TRANSMISSION CUT-OFF SIGNAL SYSTEM...1967
T-16 NEUTRALIZER RELAY SIGNAL SYSTEM...1968
T-17 BUZZER SIGNAL SYSTEM...1969
T-18 NETWORK SYSTEM...1970
T-19 TRANSMISSION CONTROLLER POWER SOURCE SYSTEM...1971
T-20 SHORT CIRCUIT IN TRAVEL SPEED SENSOR SYSTEM...1972
TESTING, ADJUSTING AND TROUBLESHOOTING AIR CONDITIONER...1973
SERVICE TOOLS...1369
GAUGE MANIFOLD...2305
STRUCTURE AND HANDLING OF GAUGE MANIFOLD...1976
CHARGING HOSES...1407
GAS LEAK DETECTOR...1979
HALIDE TORCH LEAK DETECTOR...1370
ELECTRIC LEAK TESTER...1412
VALVE FOR SERVICE CANS...1983
MAINTENANCE PROCEDURE...1984
PRECAUTIONS WHEN REMOVING OR INSTALLING PIPING...1423
PROHIBITED WORK...1423
OTHER PRECAUTIONS...1984
BLEEDING AIR FROM REFRIGERATION CIRCUIT...1435
PURPOSE...1435
CONNECTING GAUGE MANIFOLD...1442
EVACUATION...2307
AIR-TIGHTNESS CHECK...1373
GAS-LEAK CHECK...1373
EVACUATION (REPEATING)...1373
CHARGING THE REFRIGERATION CIRCUIT WITH REFRIGERANT...1373
CHARGING FROM THE HIGH-PRESSURE SIDE...1436
CHARGING FROM THE LOW PRESSURE SIDE...1990
WHEN THE AMBIENT TEMPERATURE IS LOW...1991
WHEN THE AMBIENT TEMPERATURE IS HIGH...1373
REPLACING SERVICE CANS...1374
CHECKING THE AMOUNT OF REFRIGERANT...1374
REMOVAL OF GAUGE MANIFOLD...1374
DISCHARGING THE REFRIGERANT...1994
DAILY CHECKS...1374
CHECK REFRIGERANT LEVEL...1995
CLEANING THE CONDENSER...1995
CHECKING THE V-BELT...1995
CHECKING OIL LEVEL...1996
PROCEDURE FOR CHECKING...1374
PROCEDURE FOR CHECKING OIL LEVEL...1374
ADDING AND REMOVING OIL...1997
ADDING OIL BY EVACUATION...1374
TROUBLESHOOTING...1465
VISUAL AND ACOUSTICAL CHECKS...1467
TROUBLESHOOTING TABLE...1369
DEFECTIVE HEATING...1369
TROUBLESHOOTING USING GAUGE MANIFOLD...2004
PREPARATIONS BEFORE MEASURING...1543
INSUFFICIENT REFRIGERANT...1543
EXCESSIVE REFRIGERANT OR INSUFFICIENT COOLING OF CONDENSER...2005
AIR INSIDE REFRIGERATION SYSTEM...2006
MOISTURE IN REFRIGERATING SYSTEM...2007
REFRIGERANT DOES NOT CIRCULATE...2008
FAILURE OF EXPANSION VALVE (OPEN TO FAR), DEFECTIVE MOUNTING OF HEAT SENSING TUBE...2009
DEFECTIVE COMPRESSION BY COMPRESSOR...2010
30 DISASSEMBLY AND ASSEMBLY...2011
METHOD OF USING MANUAL...2015
PRECAUTIONS DURING OPERATION...2016
PRECAUTIONS WHEN CARRYING OUT REMOVAL WORK...2016
PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK...2017
PRECAUTIONS WHEN COMPLETING THE OPERATIONS...2018
OTHER PRECAUTIONS...1370
SPECIAL TOOL LIST...2019
SKETCHES OF SPECIAL TOOLS...2023
ENGINE...2027
ALTERNATOR...2027
CYLINDER HEAD...2027
ENGINE FRONT SEAL...2027
ENGINE OIL COOLER...2027
ENGINE REAR SEAL...2027
FUEL INJECTION PUMP...2027
NOZZLE HOLDER...1374
STARTING MOTOR...2027
THERMOSTAT...2027
TURBOCHARGER...1374
WATER PUMP...1374
HYDRAULIC OIL COOLER, RADIATOR, AFTERCOOLER...2028
REMOVAL...2028
INSTALLATION...2029
DAMPER, ENGINE...2030
REMOVAL...2030
INSTALLATION...2032
DAMPER...2033
REMOVAL...2033
INSTALLATION...2034
DISASSEMBLY...2035
ASSEMBLY...2037
PTO...2041
DISASSEMBLY...2041
ASSEMBLY...2043
TORQUE CONVERTER, TRANSMISSION...2046
REMOVAL...2046
INSTALLATION...2050
TORQUE CONVERTER...2051
DISASSEMBLY...2051
ASSEMBLY...2055
TRANSMISSION...2060
DISASSEMBLY...2060
ASSEMBLY...2074
TRANSMISSION VALVE...2089
REMOVAL...2089
INSTALLATION...2089
TRANSMISSION CONTROL VALVE...2090
LOWER VALVE...2090
DISASSEMBLY...2091
ASSEMBLY...2091
UPPER VALVE...2092
DISASSEMBLY...2093
ASSEMBLY...2095
MAIN RELIEF VALVE...2096
DISASSEMBLY...2097
ASSEMBLY...2097
TRANSFER...2098
DISASSEMBLY...2098
ASSEMBLY...2105
CENTER SUPPORT...2115
REMOVAL...2115
INSTALLATION...2116
DISASSEMBLY...2117
ASSEMBLY...2119
DRIVE SHAFT...2122
DISASSEMBLY...2122
ASSEMBLY...2124
FRONT AXLE...2126
REMOVAL...2126
INSTALLATION...2127
FRONT DIFFERENTIAL...2128
REMOVAL...2128
INSTALLATION...2130
REAR AXLE...2131
REMOVAL...2131
INSTALLATION...2136
REAR DIFFERENTIAL...2137
REMOVAL...2137
INSTALLATION...2138
DIFFERENTIAL...2139
DISASSEMBLY...2139
ASSEMBLY...2143
FINAL DRIVE...2152
DISASSEMBLY...2152
ASSEMBLY...2156
ORBITROL STEERING VALVE...2160
REMOVAL...2160
INSTALLATION...2161
STEERING CYLINDER...2162
REMOVAL...2162
INSTALLATION...2164
STEERING DEMAND VALVE...2165
REMOVAL...2165
INSTALLATION...2166
BRAKE VALVE...2167
REMOVAL...2167
INSTALLATION...2168
BRAKE VALVE (RIGHT)...2169
DISASSEMBLY...2169
ASSEMBLY...2171
BRAKE VALVE (LEFT)...2173
DISASSEMBLY...2173
ASSEMBLY...2175
SLACK ADJUSTER...2177
REMOVAL...2177
INSTALLATION...2177
DISASSEMBLY...2178
ASSEMBLY...2179
BRAKE...2180
REMOVAL...2180
INSTALLATION...2181
DISASSEMBLY...2182
ASSEMBLY...2186
HYDRAULIC PUMP...2192
REMOVAL...2192
INSTALLATION...2193
PISTON PUMP...2194
DISASSEMBLY...2194
ASSEMBLY...2200
HYDRAULIC TANK...2216
REMOVAL...2216
INSTALLATION...2217
PPC VALVE...2218
REMOVAL...2218
INSTALLATION...2219
DISASSEMBLY...2220
ASSEMBLY...2220
WORK EQUIPMENT CONTROL VALVE...2221
REMOVAL...2221
INSTALLATION...2222
DISASSEMBLY...2223
ASSEMBLY...2225
DUMP CYLINDER...2227
REMOVAL...2227
INSTALLATION...2227
LIFT CYLINDER...2228
REMOVAL...2228
INSTALLATION...2229
STEERING, LIFT, DUMP CYLINDER...2230
DISASSEMBLY...2230
ASSEMBLY...2232
CENTER HINGE PIN...2234
REMOVAL...2234
INSTALLATION...2240
WORK EQUIPMENT...2244
REMOVAL...2244
INSTALLATION...2247
BULKHEAD...2249
REMOVAL...2249
INSTALLATION...2250
FLOOR FRAME...2251
REMOVAL...2251
INSTALLATION...2253
COUNTERWEIGHT...2254
REMOVAL...2254
INSTALLATION...2255
FUEL TANK...2256
REMOVAL...2256
INSTALLATION...2257
CAB...2258
REMOVAL...2258
INSTALLATION...2260
STOP VALVE...2261
REMOVAL...2261
INSTALLATION...2261
ACCUMULATOR CHARGE VALVE...2262
REMOVAL...2262
INSTALLATION...2262
DISASSEMBLY...2263
ASSEMBLY...2264
PARKING BRAKE SOLENOID VALVE AND PRESSURE SWITCH...2266
REMOVAL...2266
INSTALLATION...2266
DIVERTER VALVE...2267
REMOVAL...2267
INSTALLATION...2267
DISASSEMBLY...2268
ASSEMBLY...2269
EMERGENCY STEERING PUMP...2271
REMOVAL...2271
INSTALLATION...2271
PARKING BRAKE...2272
REMOVAL...2272
INSTALLATION...2273
PARKING BRAKE CALIPERS...2274
DISASSEMBLY...2274
ASSEMBLY...2276
PARKING BRAKE PAD...2278
REMOVAL...2278
INSTALLATION...2278
REAR TIRE...2279
REMOVAL...2279
INSTALLATION...2279
AIR CONDITIONER COMPRESSOR...2280
REMOVAL...2280
INSTALLATION...2280
AIR CONDITIONER CONDENSER...2281
REMOVAL...2281
INSTALLATION...2282
AIR CONDITIONER RECEIVER TANK...2283
REMOVAL...2283
INSTALLATION...2283
AIR CONDITIONER UNIT...2284
REMOVAL...2284
INSTALLATION...2285
MAIN MONITOR...2286
REMOVAL...2286
INSTALLATION...2287
MAINTENANCE MONITOR...2288
REMOVAL...2288
INSTALLATION...2288
ENGINE, APS CONTROLLER...2289
REMOVAL...2289
INSTALLATION...2289
40 MAINTENANCE STANDARD...2293
ENGINE AND TRANSMISSION MOUNT...2294
DAMPER...2296
TORQUE CONVERTER AND PTO...2298
TRANSMISSION CLUTCH...2300
TRANSMISSION GEAR...2302
TRANSMISSION CONTROL VALVE...2304
UPPER VALVE...2304
RELIEF VALVE...2304
LOWER VALVE...2306
SOLENOID VALVE...2308
TRANSFER...2310
DRIVE SHAFT...2312
CENTER SUPPORT...2313
DIFFERENTIAL...2314
FINAL DRIVE...2318
AXLE MOUNT...2320
CENTER HINGE PIN...2322
STEERING COLUMN...2325
STEERING DEMAND VALVE...2326
DIVERTER VALVE...2329
STEERING CYLINDER MOUNT...2330
GROUND DRIVEN STEERING PUMP...2332
BRAKE VALVE...2334
LEFT...2334
RIGHT...2336
SLACK ADJUSTER...2338
CONTROL PUMP...2339
BRAKE...2340
PARKING BRAKE...2342
MAIN CONTROL VALVE...2344
PPC VALVE...2346
PPC RELIEF VALVE...2348
HYDRAULIC CYLINDER...2350
WORK EQUIPMENT LINKAGE...2352
BUCKET POSITIONER...2354
BOOM KICK-OUT...2354
90 OTHERS...2357
SHOP MANUAL FOLDOUTS...2359
ELECTRICAL CIRCUIT DIAGRAM...2359
DIAGRAM ONE (1/6)...2359
DIAGRAM ONE (2/6)...2361
DIAGRAM ONE (3/6)...2363
DIAGRAM ONE (4/6)...2365
DIAGRAM ONE (5/6)...2367
DIAGRAM ONE (6/6)...2369
DIAGRAM TWO (1/4)...2371
DIAGRAM TWO (2/4) ...2373
DIAGRAM TWO (3/4)...2375
DIAGRAM TWO (4/4)...2377
CONNECTOR PIN ARRANGMENT...2379
CONNECTOR PIN DIGRAM (1/6)...2379
CONNECTOR PIN DIAGRAM (2/6) ...2381
CONNECTOR PIN DIAGRAM (3/6)...2383
CONNECTOR PIN DIAGRAM (4/6)...2385
CONNECTOR PIN DIAGRAM (5/6)...2387
CONNECTOR PIN DIAGRAM (6/6)...2389
ELECTRICAL CIRCUIT DIAGRAM FOR JOYSTICK STEERING SYSTEM...2391
SEAM011500 - Wheel Loader WA700-1 Operation & Maintenance Manual...2397
1. FOREWORD...2398
2. SAFETY INFORMATION...2399
3. INTRODUCTION...2400
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...2401
5. CONTENTS...2402
SAFETY...2406
6. GENERAL PRECAUTIONS...2407
7. PRECAUTIONS DURING OPERATION...2412
7.1 BEFORE STARTING ENGINE...2412
7.2 OPERATING MACHINE...2414
7.3 TRANSPORTATION...2418
7.4 BATTERY...2419
7.5 TOWING...2420
8. PRECAUTIONS FOR MAINTENANCE...2421
8.1 BEFORE CARRYING OUT MAINTENANCE...2421
8.2 DURING MAINTENANCE...2423
8.3 TIRES...2427
9. POSITION FOR ATTACHING SAFETY LABELS...2429
OPERATION...2432
10. GENERAL VIEW...2433
10.1 GENERAL VIEW OF MACHINE...2433
10.2 GENERAL VIEW OF CONTROLS AND GAUGES...2434
11. EXPLANATION OF COMPONENTS...2435
11.1 MACHINE MONITOR...2435
11.2 SWITCHES...2445
11.3 CONTROL LEVERS, PEDALS...2452
11.4 DUST INDICATOR...2457
11.5 CIRCUIT BREAKER (MAIN)...2457
11.6 SAFETY BAR...2457
11.7 STEERING COLUMN TILT LEVER...2458
11.8 DOOR-OPEN LOCK...2458
11.9 CAP WITH LOCK...2458
11.10 FUEL STOP LEVER...2459
11.11 AIR PICK-UP PORT...2459
11.12 FUSE...2460
11.13 MANUAL POCKET...2461
11.14 POWER PICKUP...2461
11.15 CAR RADIO...2462
11.16 AIR CONDITIONER...2465
11.17 CAR HEATER...2469
11.18 USING ACCUMULATOR...2471
12. OPERATION...2472
12.1 CHECK BEFORE STARTING ENGINE...2472
12.2 STARTING ENGINE...2485
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE...2490
12.4 MOVING MACHINE OFF...2491
12.5 CHANGING GEAR SPEED...2492
12.6 CHANGING DIRECTION...2493
12.7 TURNING...2493
12.8 STOPPING MACHINE...2494
12.9 OPERATION OF WORK EQUIPMENT...2495
12.10 WORK POSSIBLE USING WHEEL LOADER...2496
12.11 PRECAUTIONS FOR OPERATION...2501
12.12 ADJUSTING WORK EQUIPMENT POSTURE...2503
12.13 PARKING MACHINE...2505
12.14 CHECKS AFTER COMPLETION OF OPERATION...2506
12.15 STOPPING ENGINE...2506
12.16 CHECK AFTER STOPPING ENGINE...2507
12.17 LOCKING...2507
12.18 HANDLING THE TIRES...2508
12.19 REMOVAL AND INSTALLATION OF THE BUCKET...2510
13. TRANSPORTATION...2514
13.1 LIFTING MACHINE...2514
14. COLD WEATHER OPERATION...2515
14.1 PRECAUTIONS FOR LOW TEMPERATURE...2515
14.2 PRECAUTIONS AFTER COMPLETION OF WORK...2517
14.3 AFTER COLD WEATHER...2517
15. LONG-TERM STORAGE...2518
15.1 BEFORE STORAGE...2518
15.2 DURING STORAGE...2518
15.3 AFTER STORAGE...2518
16. TROUBLESHOOTING...2519
16.1 WHEN MACHINE RUNS OUT OF FUEL...2519
16.2 TOWING THE MACHINE...2520
16.3 IF BATTERY IS DISCHARGED...2524
16.4 OTHER TROUBLE...2528
MAINTENANCE...2536
17. GUIDES TO MAINTENANCE...2537
18. OUTLINES OF SERVICE...2540
18.1 OUTLINE OF OIL, FUEL, COOLANT...2540
18.2 OUTLINE OF ELECTRIC SYSTEM...2543
19. WEAR PARTS LIST...2544
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...2545
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...2549
21.1 INTRODUCTION OF NECESSARY TOOLS...2549
21.2 TORQUE LIST...2550
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...2551
23. MAINTENANCE SCHEDULE CHART...2554
23.1 MAINTENANCE SCHEDULE CHART...2554
24. SERVICE PROCEDURE...2558
24.1 INITIAL 250 HOURS SERVICE...2558
24.2 WHEN REQUIRED...2559
24.3 CHECK BEFORE STARTING...2577
24.4 EVERY 50 HOURS SERVICE...2583
24.5 EVERY 100 HOURS SERVICE...2584
24.6 EVERY 250 HOURS SERVICE...2588
24.7 EVERY 500 HOURS SERVICE...2593
24.8 EVERY 1000 HOURS SERVICE...2597
24.9 EVERY 2000 HOURS SERVICE...2603
24.10 EVERY 4000 HOURS SERVICE...2611
SPECIFICATIONS...2614
25. SPECIFICATIONS...2615
OPTIONS, ATTACHMENTS...2618
26. OPTIONAL PART AND ATTACHMENTS...2619
27. SELECTING BUCKETS AND TIRES...2620
28. EXPLANATION OF OPERATION OF JOY STICK STEERING SYSTEM...2621
28.1 FUNCTIONS AND STRUCTURE OF JOY STICK STEERING...2621
28.2 OPERATION METHOD OF JOY STICK STEERING SYSTEM...2624
28.3 PRECAUTlONS FOR STEERING WITH JOY STICK...2626
28.4 ADJUSTMENT OF JOY STICK CONSOLE...2629
28.5 ADJUSTMENT OPERATOR'S SEAT...2630
SEAM018500 - Wheel Loader WA700-3 Operation & Maintenance Manual...2633
COVER PAGE...2633
1. FOREWORD...2634
2. SAFETY INFORMATION...2635
3. INTRODUCTION...2636
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...2637
5. CONTENTS...2638
SAFETY...2642
6. GENERAL PRECAUTIONS...2643
7. PRECAUTIONS DURING OPERATION...2648
7.1 BEFORE STARTING ENGINE...2648
7.2 AFTER STARTING ENGINE...2651
7.3 TRANSPORTATION...2659
7.4 BATTERY...2660
7.5 TOWING...2662
8. PRECAUTIONS FOR MAINTENANCE...2663
8.1 BEFORE CARRYING OUT MAINTENANCE...2663
8.2 DURING MAINTENANCE...2668
8.3 TIRES...2674
9. POSITION FOR ATTACHING SAFETY LABELS...2676
OPERATION...2681
10. GENERAL VIEW...2682
10.1 GENERAL VIEW OF MACHINE...2682
10.2 GENERAL VIEW OF CONTROLS AND GAUGES...2683
11. EXPLANATION OF COMPONENTS...2684
11.1 MACHINE MONITOR...2684
11.2 SWITCHES...2694
11.3 CONTROL LEVERS, PEDALS...2703
11.4 STEERING COLUMN TILT LEVER...2708
11.5 CAP WITH LOCK...2708
11.6 ENGINE EMERGENCY STOP SWITCH AND FUEL STOP LEVER...2709
11.7 SAFETY BAR...2709
11.8 TOWING PIN...2710
11.9 GREASE PUMP...2711
11.10 BACKUP ALARM...2711
11.11 DOOR-OPEN LOCK...2711
11.12 TOOL BOX...2711
11.13 FUSE...2712
11.14 SLOW-BLOW FUSE...2713
11.15 LUNCH BOX TRAY...2714
11.16 STORAGING PLACE OF THIS MANUAL...2714
11.17 TAKING OFF POWER...2714
11.18 AM/FM CAR RADIO ...2715
11.19 AM/FM RADIO-CASSETTE STEREO...2719
11.20 CAR HEATER...2728
11.21 AIR CONDITIONER...2730
11.22 PRECAUTIONS WHEN HANDLING ACCUMULATOR...2733
12. OPERATION...2734
12.1 CHECK BEFORE STARTING ENGINE...2734
12.2 STARTING ENGINE...2748
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE...2754
12.4 MOVING MACHINE OFF...2755
12.5 CHANGING GEAR SPEED...2757
12.6 CHANGING DIRECTION...2758
12.7 TURNING...2758
12.8 STOPPING MACHINE...2759
12.9 OPERATION OF WORK EQUIPMENT...2760
12.10 WORK POSSIBLE USING WHEEL LOADER...2761
12.11 PRECAUTIONS FOR OPERATION...2766
12.12 ADJUSTING WORK EQUIPMENT POSTURE...2768
12.13 PARKING MACHINE...2770
12.14 CHECKS AFTER COMPLETION OF OPERATION...2771
12.15 STOPPING ENGINE...2771
12.16 CHECK AFTER STOPPING ENGINE...2772
12.17 LOCKING...2772
12.18 HANDLING OF TIRES...2773
12.19 REMOVAL AND INSTALLATION OF THE BUCKET...2775
13. TRANSPORTATION...2779
13.1 LIFTING MACHINE...2779
14. COLD WEATHER OPERATION...2780
14.1 PRECAUTIONS FOR LOW TEMPERATURE...2780
14.2 PRECAUTIONS AFTER COMPLETION OF WORK...2782
14.3 AFTER COLD WEATHER...2782
14.4 WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER...2783
15. LONG-TERM STORAGE...2784
15.1 BEFORE STORAGE...2784
15.2 DURING STORAGE...2784
15.3 AFTER STORAGE...2784
16. TROUBLESHOOTING...2785
16.1 WHEN MACHINE RUNS OUT OF FUEL...2785
16.2 TOWING THE MACHINE...2786
16.3 IF BATTERY IS DISCHARGED...2789
16.4 OTHER TROUBLE...2793
MAINTENANCE...2800
17. GUIDES TO MAINTENANCE...2801
18. OUTLINES OF SERVICE...2804
18.1 OUTLINE OF OIL, FUEL, COOLANT...2804
18.2 OUTLINE OF ELECTRIC SYSTEM...2807
19. WEAR PARTS LIST...2808
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...2809
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...2813
21.1 INTRODUCTION OF NECESSARY TOOLS...2813
21.2 TORQUE LIST...2814
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...2815
23. MAINTENANCE SCHEDULE CHART...2817
23.1 MAINTENANCE SCHEDULE CHART...2817
24. SERVICE PROCEDURE...2821
24.1 INITIAL 250 HOURS SERVICE...2821
24.2 WHEN REQUIRED...2822
24.3 CHECK BEFORE STARTING...2844
24.4 EVERY 50 HOURS SERVICE...2851
24.5 EVERY 100 HOURS SERVICE...2852
24.6 EVERY 250 HOURS SERVICE...2856
24.7 EVERY 500 HOURS SERVICE...2862
24.8 EVERY 1000 HOURS SERVICE...2867
24.9 EVERY 2000 HOURS SERVICE...2873
24.10 EVERY 4000 HOURS SERVICE...2882
SPECIFICATIONS...2883
25. SPECIFICATIONS...2884
OPTIONS, ATTACHMENTS...2886
26. OPTIONAL PARTS AND ATTACHMENTS...2887
27. SELECTING BUCKETS AND TIRES...2888
28. HANDLING AUTO SHIFT SYSTEM...2889
28.1 AUTOMATIC SHIFT SYSTEM...2889
28.2 PRECAUTIONS WHEN CHANGING DIRECTION...2890
29. HANDLING JOYSTICK STEERING SYSTEM...2891
29.1 EXPLANATION OF COMPONENTS...2891
29.2 STRUCTURE AND FUNCTION OF JOYSTICK STEERING...2892
29.3 OPERATION METHOD OF JOYSTICK STEERING SYSTEM...2895
29.4 PRECAUTIONS FOR STEERING WITH JOYSTICK...2897
29.5 ADJUSTMENT OF JOYSTICK CONSOLE...2898
29.6 ADJUSTMENT OPERATOR'S SEAT...2899
30. MAIN MONITOR FAILURE DISPLAY...2901
30.1 MAIN MONITOR FAILURE DISPLAY...2901
30.2 ERROR CODES LIST INDICATED ON MAIN MONITOR...2902
31. HANDLING AUTO-GREASING SYSTEM...2904
31.1 METHOD OF OPERATING AUTO-GREASING SYSTEM...2905
31.2 PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM...2905
31.3 METHOD OF ADJUSTING DISCHARGE FROM INJECTOR...2911
31.4 METHOD OF SETTING TIMER...2912
SEAM018501 - Wheel Loader WA700-3 avance plus Operation & Maintenance Manual...2916
COVER...2916
1. FOREWORD...2917
2. SAFETY INFORMATION...2918
3. INTRODUCTION...2919
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...2920
5. CONTENTS...2921
SAFETY...2925
6. GENERAL PRECAUTIONS...2926
7. PRECAUTIONS DURING OPERATION...2931
7.1 BEFORE STARTING ENGINE...2931
7.2 AFTER STARTING ENGINE...2934
7.3 TRANSPORTATION...2942
7.4 BATTERY...2943
7.5 TOWING...2945
8. PRECATIONS FOR MAINTENANCE...2946
8.1 BEFORE CARRYING OUT MAINTENANCE...2946
8.2 DURING MAINTENANCE...2951
8.3 TIRES...2957
9. POSITION FOR ATTATCHING SAFETY LABELS...2959
OPERATION...2965
10. GENERAL VIEW...2966
10.1 GENERAL VIEW OF MACHINE...2966
10.2 GENERAL VIEW OF CONTROLS AND GAUGES...2967
11. EXPLANATION OF COMPONENTS...2968
11.1 MACHINE MONITOR...2968
11.2 SWITCHES...2978
11.3 CONTROL LEVERS, PEDALS...2987
11.4 STEERING COLUMN TILT LEVER...2992
11.5 CAP WITH LOCK...2992
11.6 ENGINE EMERGENCY STOP SWITCH AND FUEL STOP LEVER...2993
11.7 SAFETY BAR...2993
11.8 TOWING PIN...2994
11.9 GREASE PUMP...2995
11.10 BACKUP ALARM...2995
11.11 DOOR-OPEN LOCK...2995
11.12 TOOL BOX...2995
11.13 FUSE...2996
11.14 SLOW-BLOW FUSE...2998
11.15 LUNCH BOX TRAY...2999
11.16 STORAGING PLACE OF THIS MANUAL...2999
11.17 TAKING OFF POWER...2999
11.18 AM/FM CAR RADIO ...3000
11.19 AM/FM RADIO-CASSETTE STEREO...3004
11.20 CAR HEATER...3013
11.21 AIR CONDITIONER...3015
11.22 PRECAUTIONS WHEN HANDLING ACCUMULATOR...3018
12. OPERATION...3019
12.1 CHECK BEFORE STARTING ENGINE...3019
12.2 STARTING ENGINE...3033
12.3 OPERATIONS AND CHECK AFTER STARTING ENGINE...3039
12.4 MOVING MACHINE OFF...3040
12.5 CHANGING GEAR SPEED...3042
12.6 CHANGING DIRECTION...3043
12.7 TURNING...3043
12.8 STOPPING MACHINE...3044
12.9 OPERATION OF WORK EQUIPMENT...3045
12.10 WORK POSSIBLE USING WHEEL LOADER...3046
12.11 PRECAUTIONS FOR OPERATION...3051
12.12 ADJUSTING WORK EQUIPMENT POSTURE...3053
12.13 PARKING MACHINE...3055
12.14 CHECKS AFTER COMPLETION...3056
12.15 STOPPING ENGINE...3056
12.16 CHECK AFTER STOPPING ENGINE...3057
12.17 LOCKING...3057
12.18 HANDLING THE TIRES...3058
12.19 REMOVAL AND INSTALLATION OF THE BUCKET...3059
13. TRANSPORTATION...3064
13.1 LIFTING MACHINE...3064
14. COLD WEATHER OPERATION...3065
14.1 PRECAUTIONS FOR LOW TEMPERATURE...3065
14.2 PRECAUTIONS AFTER COMPLETION OF WORK...3067
14.3 AFTER COLD WEATHER...3067
14.4 WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER...3068
15. LONG-TERM STORAGE...3069
15.1 BEFORE STORAGE...3069
15.2 DURING STORAGE...3069
15.3 AFTER STORAGE...3069
16. TROUBLESHOOTING...3070
16.1 WHEN MACHINE RUNS OUT OF FUEL...3070
16.2 TOWING THE MACHINE...3071
16.3 IF BATTERY IS DISCHARGED...3074
16.4 OTHER TROUBLE...3078
MAINTENANCE...3086
17. GUIDES TO MAINTENANCE...3087
18. OUTLINES OF SERVICE...3090
18.1 OUTLINE OF OIL, FUEL, COOLANT...3090
18.2 OUTLINE OF ELECTRIC SYSTEM...3093
19. WEAR PARTS LIST...3094
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...3095
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...3099
21.1 INTRODUCTION OF NECESSARY TOOLS...3099
21.2 TORQUE LIST...3100
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...3101
23. MAINTENANCE SCHEDULE CHART...3103
23.1 MAINTENANCE SCHEDULE CHART...3103
24. SERVICE PROCEDURE...3107
24.1 INITIAL 250 HOURS SERVICE...3107
24.2 WHEN REQUIRED...3108
24.3 CHECK BEFORE STARTING...3130
24.4 EVERY 50 HOURS SERVICE...3137
24.5 EVERY 100 HOURS SERVICE...3138
24.6 EVERY 250 HOURS SERVICE...3142
24.7 EVERY 500 HOURS SERVICE...3148
24.8 EVERY 1000 HOURS SERVICE...3153
24.9 EVERY 2000 HOURS SERVICE...3159
24.10 EVERY 4000 HOURS SERVICE...3168
SPECIFICATIONS...3170
25. SPECIFICATIONS...3171
OPTIONS, ATTACHMENTS...3174
26. OPTIONAL PARTS AND ATTACHMENTS...3175
27. SELECTING BUCKETS AND TIRES...3176
28. HANDLING AUTO SHIFT SYSTEM...3177
28.1 AUTOMATIC SHIFT SYSTEM...3177
28.2 PRECAUTIONS WHEN CHANGING DIRECTION...3178
29. HANDLING JOYSTICK STEERING SYSTEM...3179
29.1 EXPLANANTION OF COMPONENTS...3179
29.2 STRUCTURE AND FUNCTION OF JOYSTICK STEERING...3180
29.3 OPERATION METHOD OF JOYSTICK STEERING SYSTEM...3183
29.4 PRECAUTIONS FOR STEERING WITH JOYSTICK...3185
29.5 ADJUSTMENT OF JOYSTICK CONSOLE...3186
29.6 ADJUSTMENT OPERATOR'S SEAT...3187
30. MAIN MONITOR FAILURE DISPLAY...3189
30.1 MAIN MONITOR FAILURE DISPLAY...3189
30.2 ERROR CODES LIST INDICATED ON MAIN MONITOR...3190
31. HANDLING AUTO-GREASING SYSTEM...3192
31.1 METHOD OF OPERATING AUTO-GREASING SYSTEM...3193
31.2 PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM...3193
31.3 METHOD OF ADJUSTING DISCHARGE FROM INJECTOR...3199
31.4 METHOD OF SETTING TIMER...3200
SEAWD01500 - Wheel Loader WA700-3 Field Assembly Instruction...3203
COVER...3203
CONTENTS...3204
1. CHART OF SEPARATED UNITS...3205
2. DIMENSIONS OF SEPARATED...3205
3. TRANSPORTATION BY LAND...3206
4. ORDER FOR ASSEMBLY, FACILITIES TO USE, SCHEDULE FOR ASSEMBLY...3204
5. WORK SPACE LAYOUT DIAGRAM ...3207
6. TOOLS AND EQUIPMENT TO USE...3208
7. PROCEDURE FOR LOCAL ASSEMBLY...3213
A-0 POSITIONING SUPPORTS FOR FRONT & REAR AXLE, BARE MACHINE...3213
A-1 POSITIONING SUPPORTS FOR BARE MACHINE (FRAME STAND)...3214
A-2 ASSEMBLY OF REAR AXLE ASSEMBLY...3216
A-3 ASSEMBLY OF REAR DRIVE SHAFT ...3221
A-4 ASSEMBLY OF FRONT DRIVE SHAFT...3222
A-5 ASSEMBLY OF REAR TIRE, WHEEL ASSEMBLY...3224
A-6 ASSEMBLY OF REAR TIRE, WHEEL ASSEMBLY...3225
A-7 ASSEMBLY OF FRONT TIRE, WHEEL ASSEMBLY ...3226
A-8 ASSEMBLY OF BUCKET...3227
A-9 ASSEMBLY OF CAB ASSEMBLEY...3232
A-10 ASSEMBLY OF ROPS CANOPY ASSEMBLY...3238
A-11 ASSEMBLY OF FRONT LAMP ASSEMBLY...3241
A-12 ASSEMBLY OF FLOOR HANDRAIL (RIGHT)...3242
A-13 ASSEMBLY OF MUFFER STACK...3243
A-14 ASSEMBLY OF COUNTERWEIGHT...3244
A-15 ASSEMBLY OF LADDER ASSEMBLY...3246
A-16 ASSEMBLY OF FRONT FENDER...3247
A-17 ASSEMBLY OF HANDRAIL & REAR ACCESS STEP...3248
A-18 INSTALLATION OD FLOOR...3253
M-1 BLEEDING AIR FROM BRAKE LINE...3254
M-2 GREASING WORK EQUIPMENT, CHASSIS...3255
M-3 ADJUSTMENT OF BUCKET...3256
M-4 ADJUSTMENT OF BOOM KICKOUT...3257
M-5 INSPECTING ALL PARTS...3258
M-6 STARING ENGINE...3259
M-7 BLEEDING AIR FROM PISTO PUMP...3261
M-8 BLEEDING AIR FROM WORK EQUIPMENT HYRA...3262
SEBM009501 - Wheel Loader WA700-1 Shop Manual...3263
SAFETY...3269
FOREWORD...3271
GENERAL...3271
HOW TO READ THE SHOP MANUAL...3272
HOISTING INSTRUCTIONS...3273
COATING MATERIALS...3274
STANDARD TIGHTENING TORQUE...3276
ELECTRIC WIRE CODE...3279
CONVERSION TABLE ...3280
01 GENERAL...3287
GENERAL ASSEMBLY DRAWING ...3288
SPECIFICATIONS...3289
WEIGHT TABLE ...3292
LIST OF LUBRICANT AND WATER ...3294
10 STRUCTURE AND FUNCTION...3297
POWER TRAIN ...3300
RADIATOR AND COOLER ...3302
DAMPER ...3303
HYDRAULIC CIRCUIT FOR POWER TRAIN ...3304
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN ...3305
TORQUE CONVERTER AND TRANSMISSION PIPING ...3306
TORQUE CONVERTER AND PTO ...3307
TORQUE CONVERTER REGULATOR VALVE ...3310
TORQUE CONVERTER OIL COOLER ...3311
TRANSMISSION ...3312
TRANSMISSION CONTROL VALVE ...3317
TRANSMISSION SOLENOID VALVE ...3320
TORQUE CONVERTER RELIEF VALVE ...3328
LUBRICATION BYPASS VALVE ...3329
TRANSMISSION SOLENOID VALVE ...3330
EMERGENCY MANUAL SPOOL ...3331
TRANSMISSION OIL FILTER ...3332
PILOT OIL FILTER ...3333
TRANSFER ...3334
DRIVE SHAFT ...3335
CENTER SUPPORT ...3336
AXLE ...3337
DIFFERENTIAL ...3339
FINAL DRIVE ...3342
AXLE MOUNT ...3344
CENTER HINGE PIN ...3346
FLOOR SUPPORT ...3347
STEERING PIPING DIAGRAM ...3348
STEERING CIRCUIT DIAGRAM ...3349
STEERING COLUMN AND LINKAGE ...3350
STEERING GEAR BOX ...3351
STEERING AND SWITCH PUMP ...3352
STEERING VALVE ...3354
ROTARY SEAL ...3356
SLOW RETURN VALVE ...3364
DIVERTER VALVE ...3365
EMERGENCY STEERING RELIEF VALVE ...3366
BRAKE AND AIR PIPING ...3370
BRAKE AND AIR CIRCUIT DIAGRAM...3372
AIR GOVERNOR...3373
AIR TANK ...3375
SAFETY VALVE ...3375
BRAKE VALVE ...3376
RELAY VALVE ...3380
DOUBLE CHECK VALVE ...3381
BRAKE CHAMBER ...3382
SLACK ADJUSTER ...3384
CHECK VALVE ...3387
HYDRAULIC TANK PRESSURIZING VALVE ...3388
PARKING BRAKE SOLENOID VALVE ...3389
SPRING CYLINDER...3390
BRAKE...3391
PARKING BRAKE...3392
HYDRAULIC PIPING ...3394
HYDRAULIC CIRCUIT SYSTEM...3396
HYDRAULIC CIRCUIT DIAGRAM...3397
WORK EQUIPMENT LEVER LINKAGE ...3398
HYDRAULIC TANK...3399
ACCUMULATOR ...3401
MAIN PUMP ...3403
PPC VALVE ...3415
PRESSURE DIFFERENTIAL VALVE...3420
MAIN CONTROL VALVE ...3422
HYDRAULIC LEVER OPERATION ...3429
LUBRICATION OF WORK EQUIPMENT ...3436
BUCKET LINKAGE ...3438
BUCKET POSITIONER AND BOOM KICK-OUT ...3440
CAB...3442
AIR CONDITIONER ...3443
ELECTRICAL WIRING DIAGRAM CIRCUIT...3449
ELECTRICAL WIRING DIAGRAM CIRCUIT...3448
ENGINE CONTROL SYSTEM ...3451
ENGINE CONTROLLER...3452
ELECTRICAL VEHICLE MONITORING SYSTEM (EVMS) ...3453
SENSORS...3459
ENGINE STARTING CIRCUIT...3466
ENGINE STOP CIRCUIT ...3467
AUTO PRIMING SYSTEM (APS) ...3468
COMBINATION SWITCH ...3473
ELECTRICAL TRANSMISSION CONTROL ...3474
ELECTRICAL PARKING BRAKE CONTROL ...3478
ELECTRICAL PARKING BRAKE...3479
KICK-DOWN SWITCH ...3487
20 TESTING AND ADJUSTING...3493
STANDARD VALUE TABLE FOR ENGINE ...3495
STANDARD VALUE TABLE FOR CHASSIS ...3496
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM...3499
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING (ENGINE) ...3503
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING (CHASSIS)...3504
ADJUSTING VALVE CLEARANCE ...3505
MEASURING COMPRESSION PRESSURE...3506
MEASURING BLOW-BY PRESSURE...3507
MEASURING ENGINE OIL PRESSURE AND TEMPERATURE...3508
TESTING AND ADJUSTING FUEL INJECTION TIMING ...3509
MEASURING EXHAUST GAS COLOR...3511
TESTING AND ADJUSTING ALTERNATOR BELT TENSION...3512
ADJUSTING ENGINE SPEED SENSOR...3513
MEASURING OPERATING EFFORT OF ACCELERATOR PEDAL...3514
ADJUSTING POTENTIOMETER, TRAVEL OF ACCELERATOR PEDAL...3515
MEASURING SHIFT LEVER...3517
MEASURING STALL SPEED...3518
MEASURING HYDRAULIC PRESSURE (TORQUE CONVERTOR, TRANSMISSION PRESSURE)...3520
METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL...3522
MEASURING WHEEL LOCK RING CLEARANCE...3523
MEASURING STEERING WHEEL PLAY...3524
MEASURING OPERATING FORCE AND OPERATING TIME OF STEERING WHEEL...3525
TESTING AND ADJUSTING STEERING LINKAGE...3526
MEASURING STEERING OIL PRESSURE ...3528
MEASURING EMERGENCY STEERING PRESSURE ...3529
MEASURING BRAKE PEDAL...3531
MEASURING AIR PRESSURE...3532
TESTING BRAKE PERFORMANCE ...3534
CHECKING BRAKE PISTON LEAKAGE...3535
MEASURING WEAR OF BRAKE DISC ...3536
AIR BLEEDING FROM BRAKE LINE ...3537
TESTING PARKING BRAKE PERFORMANCE ...3538
CHECKING AND ADJUSTING PARKING BRAKE...3539
MEASURING DUMP AND LIFT CONTROL LEVERS ...3541
MEASURING HYDRAULIC PRESSURE OF WORK EQUIPMENT ...3543
AIR BLEEDING FROM PISTON PUMP ...3546
MEASURING WORK EQUIPMENT ...3547
MEASURING HYDRAULIC DRIFT OF WORK EQUIPMENT ...3548
ADJUSTING BUCKET POSITIONER ...3549
ADJUSTING BOOM KICK-OUT ...3550
ADJUSTING MACHINE MONITOR (SPEEDOMETER MODULE) ...3551
CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR ...3552
TROUBLESHOOTING...3554
ELECTRICAL CIRCUIT FOR ENGINE, TRANSMISSION AND PARKING BRAKE ...3555
ELECTRICAL CIRCUIT SYSTEM...3559
VEHICLE MONITOR SYSTEM...3560
ACTION TAKEN BY SELF-DIAGNOSTIC DEVICE AND PROBLEMS ON MACHINE...3561
LOCATION OF CONNECTORS...3563
CONNECTOR TERMINAL NUMBERS...3564
POINTS TO REMEMBER WHEN TROUBLESHOOTING ...3570
SEQUENCE OF EVENTS IN TROUBLESHOOTING ...3571
PRECAUTIONS WHEN CARRYING OUT ...3572
HANDLING CONNECTORS ...3579
CHECK BEFORE TROUBLESHOOTING...3580
JUDGEMENT ON POWER TRAIN ...3581
METHOD OF USING TROUBLESHOOTING CHARTS AND TABLES ...3583
TROUBLESHOOTING CHART FOR ELECTRIC SYSTEM (ENGINE, TRANSMISSION, PARKING BRAKE)...3588
TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER ...3589
TROUBLESHOOTING OF APS...3591
E-1: ENGINE DOES NOT START...3593
a) Inspection of starting circuit...3593
b) Inspection of battery - battery relay - starting switch...3593
c) Check starting switch - governor cut relay...3594
E-2: ENGINE DOES NOT STOP...3595
E-3: ENGINE STOPS WHEN TRAVELING...3595
E-4: PARKING BRAKE DOES NOT WORK...3596
a) If parking brake does not work when parking brake switch is ON (applied)...3596
b) If parking brake does not work then air pressure has dropped (does not work as emergency brake)...3596
E-5: PARKING BRAKE IS NOT RELEASED...3597
E-6: PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED ON...3599
E-7: WHEN PARKING BRAKE IS APPLIED, TRANSMISSION DOES NOT ENTER NEUTRAL (PARKING BRAKE IS WORKNG NORMALLY)...3599
E-8: TRANSMISSION DOES NOT WORK NORMALLY...3600
a) Problem in parking brake, transmission cut-off switch, neutral relay circuit...3601
b) Defective continuity in FORWARD solenoid circuit...3603
c) Defective continuity in REVERSE solenoid circuit...3605
d) Contact in F-R circuit...3607
e) Problem in speed solenoid circuit...3611
f) Contact in speed circuit...3615
E-9: KICK-DOWN SWITCH DOES NOT WORK (NORMAL F1 - F4 SWITCHES CORRECTLY)...3621
E-10: KICK-DOWN ONLY WORKS WHEN KICK-DOWN SWITCH IS ON (KICK-DOWN SWITCH RELAY DOWS NOT CARRY OUT SELF-HOLD OPERATION)...3624
E-11: KICK-DOWN OPERATION IS NOT CANCELED...3625
E-12: KICK-DOWN WORKS MISTAKE WHEN TRAVELING IN F2...3627
E-13: MACHINE DOES NOT TRAVEL WHEN KICK-DOWN SWITCH IS PRESSED...3627
E-14: PREHEATING IS NOT CARRIED OUT...3629
a) Does not carry out preheating automatically...3630
b) Does not carry out preheating either manually or automatically...3630
E-15: PREHEATING STAYS ON...3631
a) Automatic preheating is not canceld...3631
b) Preheating is carried out even when heater switch is turned OFF...3631
TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM...3632
M-1 Brake oil level flashes when engine is stopped...3634
M-2 Engine oil level flashes when engine is stopped...3634
M-3 Radiator water level flashes when engine is stopped...3635
M-4 Battery charge flashes when engine is running...3635
M-5 Transmission oil filter clogging flashes when engine is running...3637
M-6 Fuel level flashes when engine is running...3639
M-7 Brake line failure flashes when engine is running...3639
M-8 Engine oil pressure flashes when engine is running...3641
M-9 Radiator water level flashes when engine is running...3641
M-10 Drop in air pressure flashes when engine is running...3643
M-11 Engine water temperature flashes when engine is running...3643
M-12 Torque converter oil temperature flashes when engine is running...3643
M-13 Parking brake lights up abnormally, or does not light up...3645
a) If parking brake stays lighted up...3645
b) If parking brake does not light up...3645
M-14 Working lamp lights up abnormally, or does not light up...3647
a) If working lamp stays lighted up...3647
b) If working lamp does not light up...3647
M-15 Preheating lights up, or does not light up...3649
a) Preheating lights up...3649
b) Preheating does not light up...3649
M-16 Main steering failure lights up, or does not light up...3651
a) Main steering failure lights up...3651
b) Main steering failure does not light up...3651
M-17 Transmission cut-off lights up, does not light up...3653
a) Transmission cut-off lights up...3653
b) Transmission cut-off does not light up...3653
M-18 Turn signal and Hi beam light up, or do not light up...3655
a) Turn signal (right) pilot display lights up...3655
b) Turn signal (left) pilot display lights up...3656
c) Turn signal (right) pilot display does not light up...3657
d) Turn signal (left) pilot display does not light up...3657
e) Hi beam pilot does not light up...3658
f) Hi beam pilot stays lighted up...3658
M-19 Turn signal does not flash even when hazard switch is turned on...3660
M-20 Speedometer display does not work normally...3661
M-21 Hourmeter does not work normally...3662
M-22 When starting switch is turned on, monitor panel does not work, or only part lights up...3663
a) None of monitor panel lights up...3663
b) Except for speedometer module, none of monitor panel lights up...3663
c) None of CAUTION items light up...3664
d) Some other parts do not light up...3664
M-23 When starting switch is turned ON, all monitor panel lights up, but does not go out...3664
M-24 Engine oil pressure flashes or Battery charge flashes when engine is stopped...3665
a) Engine oil pressure flashes, and alarm buzzer and warning lamp are actuated...3665
b) Battery charge flashes, and warning lamp lights up...3665
M-25 None of machine monitor panel lighting lights up, or part does not light up...3667
a) Even when combination lamp is placed at SMALL, none of panel lighting lights up...3667
b) Even when working lamp is switched ON, none of monitor panel lights up...3669
c) Even when starting switch is turned ON, none of monitor panel lights up...3671
d) Part of panel does not light up...3671
M-26 When starting switch is turned to ON position (engine stopped), buzzer does not sound for 1 sec...3673
M-27 No abnormality is shown on monitor display, but alarm buzzer sounds...3673
M-28 When starting switch is turned to ON position (engine stopped), warning lamp does not light up for 2 sec...3675
M-29 No abnormality is shown on monitor display, but warning lamp lights up...3676
M-30 Abnormality in Fuel guage system...3677
a) If nothing is displayed in display area...3677
b) If indicator remains at FULL...3677
M-31 Abnormality in Air pressure guage system...3679
a) If nothing is displayed in display area...3679
b) If indicator remains at maximum level...3679
M-32 Abnormality in Engine water temperature guage system...3681
a) If nothing is displayed in display area...3681
b) If indicator remains at minimum level...3681
M-33 Abnormality in Torque converter oil temperature guage system...3683
a) If nothing is displayed in display area...3683
b) If indicator remains at minimum level...3683
TROUBLESHOOTING CHART FOR POWER TRAIN, STEERING, AIR AND BRAKE, WORK EQUIPMENT (MECHANICAL SYSTEM)...3686
POWER TRAIN...3687
1. Machine does not move...3687
2. Machine lacks power or speed...3689
3. Excessive time lag when starting machine or shifting gear...3690
4. Torque converter oil temperature too high...3691
STEERING SYSTEM...3692
1. Steering wheel does not turn...3692
2. Steering wheel is sluggish...3693
3. Steering wheel moves unsteadily or is subjected to large shock...3694
4. Machine tends to turn naturally in one particular direction when traveling...3694
5. Left and right turning radii are different...3694
AIR AND BRAKE SYSTEM...3695
1. Air pressure does not rise at all...3695
2. Air pressure does not rise to the specified range...3696
3. Brake is ineffective or not very effective...3697
4. Brake does not release, or drags...3698
5. Parking brake does not release, or drags...3699
WORK EQUIPMENT...3700
1. Lift arm does not rise...3700
2. Lift arm moves slowly or does not have sufficient lifting power...3701
3. Lift arm movement becomes slow after it reaches a certain height...3702
4. Bucket cannot be held down with lift arm cylinder...3702
5. Lift arm has large hydraulic drift...3702
6. Lift arm movement is unsteady during work...3702
7. Lift arm lowers momentarily when control lever is shifted from "Hold" to "Raise"...3702
8. Bucket does not tilt back...3703
9. Bucket moves slowly or has insufficient tilt back power...3704
10. Bucket movement becomes slow during tilt back...3705
11. Bucket cannot be held down by the bucket cylinder...3705
12. Bucket has large hydraulic drift...3705
13. Bucket moves unsteadily when machine travels under load (Main control valve in "Hold")...3705
14. Bucket dumps momentarily when control lever is shifted from "Hold" to "Tilt back"...3705
15. Control levers of lift arm and dump move stiffly and sluggishly...3706
TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM (FOR ENGINES WITH ELECTRONIC GOVERNOR)...3708
Judgement table for engine controller and engine related parts...3710
R-1 Abnormality in power source...3711
R-2 Abnormality in controller...3712
R-3 Abnormality in rack sensor system...3713
R-4 Abnormality in governor solenoid system...3714
R-5 Abnormality in governor cut relay system...3715
R-6 Abnormality in pre-stroke solenoid system...3716
R-7 Abnormality in rack sensor power source system...3717
R-8 a. Abnormality in engine speed sensor system A...3718
b. Abnormality in engine speed sensor system B...3719
R-9 Abnormality in acceleration sensor system...3720
R-10 Abnormality in governor servo system...3722
R-11 Abnormality in engine water temperature system...3723
R-12 Engine does not start...3724
Electric circuit diagram of engine controller system...3726
30 DISASSEMBLY AND ASSEMBLY...3727
STARTING MOTOR ...3730
REMOVAL AND INSTALLATION ...3730
ALTERNATOR...3731
REMOVAL AND INSTALLATION...3731
ALTERNATOR CORE ...3732
REMOVAL...3732
INSTALLATION...3735
TURBOCHARGER (TOP) ...3737
REMOVAL AND INSTALLATION...3737
FUEL INJECTION PUMP...3738
REMOVAL AND INSTALLATION...3738
TURBOCHARGER (BOTTOM) ...3740
REMOVAL AND INSTALLATION...3740
NOZZLE HOLDER...3741
REMOVAL AND INSTALLATION...3741
OIL COOLER...3742
REMOVAL AND INSTALLATION ...3742
THERMOSTAT...3743
REMOVAL AND INSTALLATION ...3743
WATER PUMP...3744
REMOVAL AND INSTALLATION...3744
CYLINDER HEAD...3745
REMOVAL...3745
INSTALLATION...3747
AIR COMPRESSOR...3751
REMOVAL AND INSTALLATION...3751
RADIATOR ...3752
REMOVAL...3752
INSTALLATION...3756
ENGINE...3760
REMOVAL...3760
INSTALLATION...3767
DAMPER...3775
REMOVAL...3775
INSTALLATION...3779
DISASSEMBLY...3784
ASSEMBLY...3786
TORQUE CONVERTER CHARGING AND PPC PUMP...3790
REMOVAL...3790
INSTALLATION...3792
TORQUE CONVERTER, PTO, TRANSMISSION...3794
REMOVAL...3794
INSTALLATION...3804
TORQUE CONVERTER...3814
DISASSEMBLY...3814
ASSEMBLY...3818
PTO...3823
DISASSEMBLY...3823
ASSEMBLY...3825
TRANSMISSION...3828
DISASSEMBLY...3828
ASSEMBLY...3840
TRANSFER...3854
DISASSEMBLY...3854
ASSEMBLY...3861
TRANSMISSION VALVE...3871
REMOVAL...3871
INSTALLATION...3872
DISASEMBLY AND ASSEMBLY...3874
CENTER SUPPORT...3879
REMOVAL...3879
INSTALLATION...3880
DISASSEMBLY...3882
ASSEMBLY...3884
DRIVE SHAFT...3887
DISASSEMBLY...3887
ASSEMBLY...3889
FRONT AXLE...3890
REMOVAL...3890
INSTALLATION...3892
REAR AXLE...3894
REMOVAL...3894
INSTALLATION...3899
DIFFERENTIAL...3904
REMOVAL...3904
INSTALLATION...3907
DISASSEMBLY...3909
ASSEMBLY...3913
FINAL DRIVE...3922
DISASSEMBLY...3922
ASSEMBLY...3926
STEERING GEAR...3930
REMOVAL...3930
INSTALLATION...3931
DISASSEMBLY...3932
ASSEMBLY...3933
STEERING, SWITCH PUMP...3936
REMOVAL...3936
INSTALLATION...3937
STEERING VALVE...3938
REMOVAL...3938
INSTALLATION...3940
DISASSEMBLY AND ASSEMBLY...3942
DIVERTER VALVE...3944
DISASSEMBLY AND ASSEMBLY...3944
STEERING CYLINDER...3946
REMOVAL...3946
INSTALLATION...3948
BRAKE VALVE...3951
REMOVAL...3951
INSTALLATION...3953
DISASSEMBLY...3955
ASSEMBLY...3957
BRAKE CHAMBER...3959
REMOVAL...3959
INSTALLATION...3960
DISASSEMBLY...3961
ASSEMBLY...3964
AIR GOVERNOR...3967
DISASSEMBLY...3967
ASSEMBLY...3968
SLACK ADJUSTER...3969
REMOVAL...3969
INSTALLATION...3970
DISASSEMBLY...3971
ASSEMBLY...3972
BRAKE...3973
REMOVAL...3973
INSTALLATION...3975
DISASSEMBLY...3977
ASSEMBLY...3981
SPRING CYLINDER...3987
REMOVAL...3987
INSTALLATION...3988
DISASSEMBLY...3989
ASSEMBLY...3990
PARKING BRAKE...3991
REMOVAL...3991
INSTALLATION...3992
DIASSEMBLY AND ASSEMBLY...3993
PARKING BRAKE PAD...3994
REMOVAL AND INSTALLATION...3994
HYDRAULIC TANK...3995
REMOVAL...3995
INSTALLATION...3997
HYDRAULIC PUMP...3999
REMOVAL...3999
INSTALLATION...4000
PISTON PUMP...4001
DISASSEMBLY...4001
ASSEMBLY...4008
PPC VALVE...4022
REMOVAL...4022
INSTALLATION...4023
DISASSEMBLY AND ASSEMBLY...4024
MAIN CONTROL VALVE...4025
REMOVAL...4025
INSTALLATION...4027
DISASSEMBLY...4030
ASSEMBLY...4032
DUMP CYLINDER...4034
REMOVAL...4034
INSTALLATION...4036
LIFT CYLINDER...4038
REMOVAL...4038
INSTALLATION...4040
STEERING, LIFT, DUMP CYLINDER...4042
DISASSEMBLY...4042
ASSEMBLY...4044
CENTER HINGE PIN...4046
REMOVAL...4046
INSTALLATION...4052
WORK EQUIPMENT...4062
REMOVAL...4062
INSTALLATION...4068
COUNTERWEIGHT...4074
REMOVAL...4074
INSTALLATION...4075
FUEL TANK...4076
REMOVAL...4076
INSTALLATION...4078
MACHINE MONITOR...4080
REMOVAL...4080
INSTALLATION...4081
40 MAINTENANCE STANDARD...4083
ENGINE AND TRANSMISSION MOUNT ...4085
DAMPER ...4086
TORQUE CONVERTER CHARGING, COOLING AND PPC PUMP ...4088
TORQUE CONVERTER AND PTO ...4090
TORQUE CONVERTER REGULATOR VALVE ...4091
TRANSMISSION...4092
TRANSMISSION CONTROL VALVE ...4096
TRANSMISSION SOLENOID VALVE ...4100
TRANSFER ...4102
DRIVE SHAFT...4104
CENTER SUPPORT ...4105
DIFFERENTIAL...4106
FINAL DRIVE ...4108
AXLE MOUNT ...4110
CENTER HINGE PIN ...4112
STEERING LINKAGE AND STEERING COLUMN ...4114
STEERING GEAR BOX ...4116
STEERING VALVE ...4118
DIVERTER VALVE ...4120
STEERING CYLINDER MOUNT ...4121
EMERGENCY STEERING PUMP ...4122
BRAKE CHAMBER ...4123
BRAKE VALVE ...4124
SLACK ADJUSTER ...4126
BRAKE...4128
PARKING BRAKE ...4130
SPRING CYLINDER ...4131
CONTROL PUMP ...4132
MAIN CONTROL VALVE ...4133
PPC VALVE ...4134
CYLINDER...4136
BUCKET LINKAGE...4138
BUCKET POSITIONER AND BOOM KICK-OUT...4140
SEBM013312 - Wheel Loader WA700-3 avance Shop Manual...4143
COVER...4143
CONTENTS...4144
01 GENERAL...4173
GENERAL ASSEMBLY DRAWING...4174
SPECIFICATIONS...4177
WEIGHT TABLE...4180
LIST OF LUBRICANT AND WATER...4182
10 STRUCTURE AND FUNCTION...4184
OUTLINE...4185
POWER TRAIN SYSTEM...4186
DAMPER...4188
RADIATOR AND OIL COOLER...4189
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM...4191
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM...4195
TORQUE CONVERTER AND TRANSMISSION PIPING...4197
TORQUE CONVERTER AND PTO...4199
TORQUE CONVERTER REGULATOR VALVE...4205
TRANSMISSION...4206
TRANSMISSION CONTROL VALVE...4216
TORQUE CONVERTER OIL COOLER...4240
TRANSMISSION OIL FILTER...4241
TRANSFER...4243
AXLE...4244
DIFFERENTIAL...4246
FINAL DRIVE...4248
STEERING PIPING DIAGRAM...4251
STEERING AND SWITCH PUMP...4252
STEERING UNIT (ORBIT-ROLL VALVE)...4256
STEERING DEMAND VALVE...4259
TWO-WAY RESTRICTOR VALVE...4270
STOP VALVE...4271
DIVERTER VALVE...4272
BRAKE PIPING...4276
BRAKE CIRCUIT DIAGRAM...4277
BRAKE VALVE...4278
CHARGE VALVE...4283
ACCUMULATOR (FOR BRAKE)...4286
SLACK ADJUSTER...4287
BRAKE...4290
PARKING BRAKE...4293
SPRING CYLINDER...4297
PARKING BRAKE SOLENOID VALVE...4298
HYDRAULIC PIPING...4299
HYDRAULIC CIRCUIT DIAGRAM...4300
MAIN PISTON PUMP...4302
ES VALVE (ENGINE SENSING VALVE)...4311
SERVO VALVE...4312
PRESSURE DIFFERENTIAL VALVE...4313
PPC VALVE (PROPORTIONAL PRESSURE VALVE)...4314
PPC RELIEF VALVE...4318
ACCUMULATOR (FOR PPC VALVE)...4319
MAIN CONTROL VALVE...4320
LUBRICATION OF WORK EQUIPMENT...4344
WORK EQUIPMENT LINKAGE...4346
BUCKET POSITIONER AND BOOM KICK-OUT...4348
OPERATION OF PROXIMITY SWITCH...4350
AIR CONDITIONER...4354
ELECTRIC CIRCUIT DIAGRAM...4358
MACHINE MONITOR SYSTEM...4304
MAIN MONITOR...4359
MAINTENANCE MONITOR...4363
AUTOMATIC TRANSMISSION SYSTEM (ATM)...4365
JOYSTICK STEERING SYSTEM...4378
AJSS (ADVANCED JOYSTICK STEERING SYSTEM)...4380
TRANSMISSION AND JOYSTICK CONTROLIER...4384
ENGINE STARTING CIRCUIT...4387
ENGINE STOP CIRCUIT...4390
AUTO PRIMING SYSTEM (APS)...4392
PREHEATING CIRCUIT...4396
FUEL SYSTEM...4397
ELECTRICAL TRANSMISSION CONTROL...4398
KICK-DOWN ,HOLD SWITCH...4401
KICK-DOWN ELECTRICAL CIRCUIT...4402
ELECTRIC PARKING BRAKE CONTROL...4408
ELECTRIC CIRCUIT DIAGRAM OF ACTIVE POWER MAXIMIZING SYSTEM...4417
VHMS CONTROLLER...4423
BLOW-BY PRESSURE SENSOR...4423
ENGINE OIL TEMPERATURE SENSOR...4424
EXHAUST TEMPERATURE SENSOR/AMP...4425
AMBIENT TEMPERATURE SENSOR...4425
TRANSMISSION PUMP OIL PRESSURE SENSOR...4426
BRAKE OIL TEMPERATURE SENSOR HYDRAULIC OIL TEMPERATURE SENSOR...4427
BRALE OIL PRESSURE SENSOR STERING OIL PRESSURE SENSOR WORK EPUIPMENT PUMP OIL PRESSURE SENSOR...4428
COMMUNICATIONS (ORB: ORBCOMM) CONTRLOOER/ANTENNA...4429
20 TESTING AND ADJUSTING...4430
STANDARD VALUE TABLE FOR ENGINE...4431
STANDARD VALUE TABLE FOR CHASSIS...4433
STANDARD VALUE TABLE FOR ELECTRICAL PARTS...4438
TESTING AND ADJUSTING...4455
TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING...4456
ADJUSTING VALVE CLEARANCE...4459
TESTING AND ADJUSTING INJECTOR LIFT...4461
MEASURING COMPRESSION PRESSURE...4463
MEASURING BLOW-BYPRESSURE...4466
TESTING AND ADJUSTING FUEL INJECTION TIMING...4467
MEASURING EXHAUST GAS COLOR...4469
TESTING AND ADJUSTING ALTERNATOR BELT TENSION...4470
TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION...4471
HANDLING EQUIPMENT IN FUEL CIRCUIT...4472
MEASURING FUEL PUMP OUTLET PORT PRESSURE...4472
BLEEDING AIR FROM FUEL CIRCUIT...4473
MEASURING EXHAUST TEMPERATURE...4475
MEASURING EXHAUST TEMPERATURE (OVERALL ENGINE)...4476
MEASURING EXHAUST GAS TEMPERATURE (EACH CYLINDER)...4477
MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)...4478
MEASURING ACCELERATOR PEDAL ...4479
ADJUSTING ACCELERATOR PEDAL TRAVEL,POTENTIOMETER ...4480
ADJUSTING ACCELERATOR PEDAL MICRO SWITCH...4482
MEASURING TORQUE CONVERTER,TRANSMISSION HYDRAULIC PRESSURE ...4483
METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL ...4485
TESTING AND ADJUSTING STEERING OIL PRESSURE...4487
ADJUSTING STEERING STOPPER BOLT ...4488
ADJUSTING JOYSTICK STEERING ...4489
ADJUSTING JOYSTICK LEVER EUTRAL DETECTION...4491
TESTING BRAKE OIL PRESSURE ...4492
MEASURING WEAR OF BRAKE DISC ...4493
MEASURING BRAKE PERFORMANCE ...4494
TESTING AND ADJUSTING PARKING BRAKE ...4495
TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE ...4497
MEASURING PPC RELIEF VALVE HYDRAULIC PRESSURE ...4498
TESTING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE ...4500
BLEEDING AIR FROM PISTON PUMP ...4502
ADJUSTING WORK EQUIPMENT LEVER LINKAGE ...4503
TESTING AND ADJUSTING BUCKET POSITIONER ...4505
TESTING AND ADJUSTING BOOM KICK-OUT...4506
TESTING PROXIMITY SWITCH ACTUATION PILOT LAMP ...4507
ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)...4508
BLEEDING AIR ...4509
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT ...4510
BASIC PRECAUTIONS...4511
OUTLINE...4514
SETTING UP VHMS CONTROLLER...4520
COLLECTION, TRANSMISSION OF DATA...4522
INSPECTION AND MAINTENANCE...4527
REPLACING PARTS...4527
TROUBLESHOOTING...4528
POINTS TO REMEMBER WHEN TROUBLESHOOTING ...4529
SEQUENCE OF EVENTS IN TROUBLESHOOTING ...4530
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE ...4531
CHECKS BEFORE TROUBLESHOOTING ...4539
CONNECTOR TYPES AND MOUNTING LOCATIONS ...4540
CONNECTOR ARRANGEMENT DIAGRAM ...4546
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS ...4556
ELECTRIC ENGINE THROTTLE CONTROLLER SYSTEM ...4579
METHOD OF DISPLAYING ACTION CODE AND FAILURE CODE ...4582
CHART OF ACTION CODES AND FAILURE CODES,AND RE-ENACTION ...4584
TRANSMISSION CONTROLLER LED DISPLAY ...4586
METHOD OF USING TROUBLESHOOTING CHARTS ...4587
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)...4589
METHOD OF USING TROUBLESHOOTING CHARTS ...4590
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME) ...4594
S-2 ENGINE DOES NOT START ...4596
a) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT ...4596
b) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTDE)...4597
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)...4598
S-4 ENGINE STOPS DURING OPERATIONS ...4599
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...4601
S-6 ENGINE LACKS OUTPUT (OR LACKS POWER) ...4602
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...4603
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BULE) ...4604
S-9 OIL BECOMES CONTAMINATED QUICKLY ...4605
S-10 FUEL CONSUMPTION IS EXCESSIVE ...4606
S-11 OIL IS IN COOLING WATER ,OR WATER SPURTS BACK,OR WATER LEVEL GOES DOWN ...4607
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE) ...4608
S-13 OIL LEVEL RISES ...4609
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING) ...4610
S-15 ABNORMAL NOISE IS MADE ...4611
S-16 VIBRATION IS EXCESSIVE ...4613
TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE) ...4614
ELECTRICAL CIRCUIT DIAGAM FOR M MODE SYSTEM ...4616
M-1 MAIN MONITOR DOES NOT WORK ...4620
M-2 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED IMMEDIATELY,ALL LAMPS STAY LIGHTED UP ...4621
M-3 SPEEDOMETER DISPLAY DOES NOT WORK PROPERLY ...4622
M-4 ABNORMALITY IN SHIFT INDICATOR ...4623
a) DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT F...4623
b) DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT R ...4623
c) DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N,AND DISPLYS E WHEN DIRECTIONAL LEVER IS AT F...4623
d) DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N,AND DISPLAYS E WHEN DIRECTIONAL LEVER IS AT R...4624
e) DOES NOT DISPLAY 1ST EVEN WHEN SPEED LEVER IS AT 1 (DIRECTIONAL LEVER AT F OR R)...4624
f) DOES NOT DISPLAY 2ND EVEN WHEN SPEED LEVER IS AT 2 (DIRECTIONAL LEVER AT F OR R)...4624
g) DOES NOT DISPLAY 3RD EVEN WHEN SPEED LEVER IS AT 3 (DIRECTIONAL LEVER AT F OR R)...4625
h) DOES NOT DISPLAY 4TH EVEN WHEN SPEED LEVER IS AT 4 (DIRECTIONAL LEVER AT F OR R)...4625
M-5 TURN SIGNAL DISPLAY DOES NOT LIGHT UP ...4627
a) L.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP ...4627
b) R.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP...4627
M-6 ABNORMALITY IN PARKING DISPLAY ...4628
a) PARKING LAMP DISPLAY DOES NOT LIGHT UP ...4628
b) PARKING LAMP DISPLAY STAYS LIGHTED UP ...4628
M-7 NIGHT LIGHTING DOES NOT LIGHT UP ...4629
M-8 ABNORMALITY IN FRONT WORKING LAMP ...4630
a) NEITHER MONITOR DISPLAY NOR FRONT WORKING LAMP LIGHT UP...4630
b) WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP...4630
c) MONITOR DISPLAY LIGHTS UP BUT WORKING LAMP DOES NOT LIGHT UP ...4630
M-9 ABNORMALITY IN REAR WORKING LAMP ...4632
a) NEITHER MONITOR DISPLAY NOR REAR WORKING LAMP LIGHT UP ...4632
b) WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP ...4632
c) MONITOR DISPLAY LIGHTS UP BUT WORKING LAMP DOES NOT LIGHT UP ...4632
M-10 ABNORMALITY IN TRANSMISSION CUT-OFF ...4634
STANDARD SPECIFICATION...4634
a) WHEN TRANSMISSION CUT-OFF SWITCH IS PRESSED,CUT-OFF FUNCTION IS NOT SWITCHED AND DISPLAY DOES NOT CHANGE ...4634
b) WHEN TRANSMISSION CUT-OFF SWITCH IS TURNED OFF,CUT-OFF FUNCTION IS ALWAYS ACTUATED...4634
c) TRANSMISSION CUT-OFF SWITCH TURNED ON,BUT CUT-OFF FUNCTION IS NOT ACTUATED...4635
AUTO-SHIFT SPECIFICATION...4636
a) WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS PRESSED,CUT-OFF FUNCTION IS NOT SWITCHED AND DISPLAY DOES NOT CHANGE ...4636
b) WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS OFF,MONITOR DISPLAY GOES OUT BUT CUT-OFF FUNCTION IS ACTUATED WHEN PEDAL IS DEPRESSED ...4636
c) WHEN MONITOR DISPLAY IS TURNED OFF (TRANSMISSION CUT-OFF SWITCH TURNED OFF),CUT-OFF FUNCTION IS ALWAYS ACTUATED...4636
d) CUT-OFF FUNCTION IS ALWAYS ACTUATED REGARDLESS OF MONITOR DISPLAY (TRANSMISSION CUT-OFF SWITCH ON OR OFF)...4636
e) MONITOR DISPLAY LIGHTS UP (TRANSMISSION CUT-OFF SWITCH TURNED ON),BUT CUT-OFF FUNCTION IS NOT ACTUATED...4637
M-11 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING ...4638
a) WHEN PARKING BRAKE IS APPLIED,BUZZER SOUNDS (INTERMITTENTLY) AND CAUTION LAMP FLASHES EVEN WHEN DIRECTIONAL LEVER IS AT N...4638
b) WHEN PARKING BRAKE IS APPLIED,BUZZER DOES NOT SOUND AND CAUTION LAMP DOES NOT LIGHT UP EVEN WHEN DIRECTIONAL LEVER IS AT POSITION OTHER THAN N...4638
M-12 WHEN PARKING BRAKE DRAGGING WARNING IS GIVEN,BUZZER AND CAUTION LAMP ARE ACTUATED CONTINUOUSLY,OR THEY ARE NOT ACTUATED...4640
a) ACTUATED CONTINUOUSLY ...4640
b) NOT ACTUATED...4640
M-13 ABNORMALITY IN BUZZER...4641
a) BUZZER DOES NOT SOUND WHEN STARTING SWITCH IS AT ON (FOR 3 SECONDS) (DURING SELF-CHECK)...4641
b) BUZZER ALWAYS SOUNDS ...4641
M-14 CONDITION OF MONITOR SWITCHES IS NOT STORED IN MEMORY ...4642
M-15 ABNORMALITY IN FAILURE DISPLAY MODE ...4643
a) DOES NOT ENTER FAILURE DISPLAY MODE ...4643
b) COUNT FOR TIME ELAPSED SINCE FAILURE IN FAILURE DISPLAY MODE DOES NOT ADVANCE ...4643
M-16 ABNORMALITY IN ELECTRIC ENGINE THROTTLE CONTROLLER ERROR DISPLAY...4644
a) THERE IS NO ABNORMALITY ON MACHINE BUT ERROR CODE [91] IS DISPLAYED...4644
b) THERE IS NO ABNORMALITY ON MACHINE BUT ERROR CODE [92] IS DISPLAYED...4644
c) PROBLEM IS ERROR CODE [90(94)] BUT ERROR CODE [91(93)] IS DISPLAYED...4644
d) PROBLEM IS ERROR CODE [90(96)] BUT ERROR CODE [92(95)] IS DISPLAYED...4645
M-17 ABNORMALITY IN EMERGENCY STEERING ACTUATION DISPLAY ...4646
a) EMERGENCY STEERING ACTUATION DISPLAY DOES NOT LIGHT UP...4646
b) EMERGENCY STEERING ACTUATION DISPLAY STAYS LIGHTED UP...4646
M-18 ABNORMALITY IN AUTO-GREASING SYSTEM...4647
a) FORCED GREASING CANNOT BE CARRIED OUT ...4647
b) MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SEC)...4647
c) WHEN NO MORE GREASE REMAINS,MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SEC)...4647
d) MONITOR DISPLAY FLASHES SLOWLY (1 TIME/SEC) ...4648
e) MONITOR DISPLAY GOES OUT ...4648
M-19 ABNORMALITY IN LOW IDLING SELECT SYSTEM ...4649
a) DISPLAY DOES NOT CHANGE WHEN SWITCH IS PRESSED ...4649
b) MONITOR DISPLAY LIGHTS UP BUT LOW IDLING SELECT FUNCTION DOES NOT WORK ...4649
TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)...4651
ELECTRICAL CIRCUIT DIAGRAM FOR K MODE SYSTEM ...4652
K-1 WHEN STARTING SWITCH IS TURNED ON,ALL LAMPS ON MAINTENANCE MONITOR DO NOT LIGHT UP FOR 3 SECONDS, MAINTENANCE MONITOR DOES NOT WORK ...4654
a) NO LAMPS ON MAINTENANCE MONITOR LIGHT UP ...4654
b) SOME LAMPS DO NOT LIGHT UP ...4654
K-2 WHEN STARTING SWITCH IS TURNED ON,ALL LAMPS ON MAINTENANCE MONITOR LIGHT UP BUT DO NOT GO OUT (EVEN AFTER 3 SECONDS) ...4655
K-3 WHEN ENGINE IS STARTED IMMEDIATELY AFTER STARTING SWITCH IS TURNED ON (WITHIN 3 SECONDS),NO LAMPS ON MAINTENANCE MONITOR GO OUT ...4656
K-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED),CHECK ITEMS FLASH ...4657
a) ENGINE OIL LEVEL DISPLAY FLASHES ...4657
b) ENGINE WATER LEVEL DISPLAY FLASHES ...4658
K-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STARTED),CAUTION ITEMS FLASH...4660
b) BATTERY CHARGE LEVEL DISPLAY FLASHES ...4662
c) BRAKE OIL PRESSURE DISPLAY FLASHES ...4663
d) AIR CLEANER [L.H.] DISPLAY FLASHES ...4664
e) AIR CLEANER [R.H.] DISPLAY FLASHES ...4665
f) AIR CLEANER DISPLAY FLASHES ...4666
K-6 CAUTION ITEMS ARE FLASHING BUT CAUTION BUZZER DOES NOT SOUND ...4667
K-7 THERE IS NO ABNORMALITY IN MONITOR DISPLAY BUT CAUTION BUZZER SOUNDS ...4668
K-8 CAUTION ITEMS ARE FLASHING BUT WARNING LAMP (CHECK LAMP,CAUTION LAMP) DOES NOT FLASH ...4669
a) CHECK LAMP ...4669
b) CAUTION LAMP ...4669
K-9 THERE IS NO ABNORMALITY IN MAINTENANCE MONITOR DISPLAY BUT WARNING LAMP (CHECK LAMP,CAUTION LAMP) LIGHTS UP...4670
a) CHECK LAMP ...4670
b) CAUTION LAMP ...4670
K-10 NIGHT LIGHTING DOES NOT LIGHT UP WHEN LAMP SWITCH IS TURNED ON (ONLY LIGHTING OF MAINTENANCE MONITOR DOES NOT LIGHT UP)...4671
K-11 NIGHT LIGHTING LIGHTS UP EVEN WHEN LAMP SWITCH IS OFF,NIGHT LIGHTING STAYS LIGHTED UP ...4672
K-12 SERVICE METER DOES NOT WORK ...4673
K-13 SERVICE METER IS RUNNING EVEN WHEN ENGINE IS STOPPED ...4673
K-14 ABNORMALITY IN GAUGE ITEMS ...4675
a) ABNORMALITY IN FUEL GAUGE ...4675
b) ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE ...4676
c) ABNORMALITY IN TORQUE CONVERTER OIL TEMPERATURE GAUGE ...4677
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)...4678
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE SYSTEM ...4680
E-1 ENGINE DOES NOT START ...4684
a) STARTING MOTOR DOES NOT TURN ...4684
b) STARTING MOTOR TURNS ...4689
E-2 ABNORMALITY IN APS SYSTEM ...4697
a) WHEN PREHEATING SWITCH IS TURNED AUTO,PREHEATING LAMP DOES NOT LIGHT UP,BUT NO PILOT LED ON APS CONTROLLER LIGHTS UP...4699
b) WHEN PREHEATING SWITCH IS TURNED AUTO AND ENGINE WATER TEMPERATURE IS BELOW 20°C,PREHEATING LAMP FLASHES,BUT PILOT LED ON APS CONTROLLER SHOWS NORMAL...4700
c) AFTER PREHEATING,FUEL IS NOT INJECTED FROM APS NOZZLE WHEN STARTING SWITCH IS TURNED START,BUT PILOT LED ON APS CONTROLLER SHOWS NORMAL...4701
d) LED 1 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL...4702
e) LED 2 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL ...4702
f) LED 3 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL ...4703
g) LED 4 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL ...4703
h) LED 5 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL ...4704
i) LED 6 OF PILOT LED ON APS CONTROLLER SHOWS ABNORMAL ...4704
j) WHEN PREHEATING SWITCH IS OFF, PREHEATING LAMP LIGHTS UP...4705
E-3 PARKING BRAKE DOES NOT HAVE EFFECT ...4706
a) PARKING BRAKE HAS NO EFFECT WHEN PARKING BRAKE SWITCH IS TURNED ON ...4706
b) PARKING BRAKE HAS NO EFFECT AND DOES NOT WORK AS EMERGENCY BRAKE WHEN PARKING BRAKE PRESSURE DROPS ...4706
E-4 PARKING BRAKE IS APPLIED WHEN MACHINE IS TRAVELING...4707
E-5 PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED ON ...4709
E-6 TRANSMISSION DOES NOT CHANGE TO NEUTRAL WHEN PARKING BRAKE IS APPLIED,BUT PARKING BRAKE WORKS NORMALLY ...4709
E-7 TRANSMISSION DOES NOT WORK PROPERLY ...4711
a) ABNORMALITY IN PARKING BRAKE CIRCUIT,TRANSMISSION CUT-OFF SWITCH CIRCUIT OR NEUTRALIZER RELAY CIRCUIT ...4712
b) NO CONTINUITY IN TRAVEL FORWARD SOLENOID CIRCUIT ...4715
c) NO CONTINUITY IN TRAVEL REVERSE SOLENOID CIRCUIT ...4717
d) SHORT CIRCUIT TO CHASSIS GROUND IN DIRECTIONAL SOLENOID CIRCUIT ...4719
e) ABNORMALITY IN SHIFT SOLENOID CIRCUIT ...4724
f) SHORT CIRCUIT TO CHASSIS GROUND IN SHIFT SOLENOID CIRCUIT ...4727
E-8 KICK-DOWN SWITCH DOES NOT WORK (SHIFT WORKS CORRECTLY DURING NORMAL GEAR SHIFT OPERATIONS F1-F4) ...4732
E-9 KICK-DOWN WORKS ONLY WHEN KICK-DOWN SWITCH IS BEING TURNED ON (KICK-DOWN SWITCH DOES NOT CARRY OUT SELF-HOLD OPERATION)...4735
E-10 KICK-DOWN ALWAYS WORKS...4736
E-11 KICK-DOWN SWITCH WORKS EVEN WHEN TRAVELING FORWARD IN 2ND...4738
E-12 BOOM KICK-OUT DOES NOT WORK...4740
E-13 DEFECTIVE BUCKET POSITIONER ...4742
E-14 POWER WINDOW DOES NOT WORK ...4744
a) WINDOW DOES NOT GO UP ...4744
b) WINDOW DOES NOT GO DOWN ...4745
E-15 ABNORMALITY IN FRONT WORKING LAMP...4747
E-16 ABNORMALITY IN REAR WORKING LAMP...4747
E-17 ABNORMALITY IN TRANSMISSION CUT-OFF...4747
E-18 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING ...4747
E-19 ABNORMALITY IN BUZZER...4747
TROUBLESHOOTING OF ELECTRIC ENGINE THROTTLE CONTROLLER & APS CONTROLLER SYSTEM SYSTEM (G MODE)...4748
JUDGEMENT TABLE FOR ENGINE CONTROLLER AND ENGINE RELATED PARTS ...4749
ACTION TAKEN BY CONTROLLER AND CODDITION OF MACHINE WHEN ABNORMALITY OCCURS...4751
ACTION TAKEN BY CONTROLLER AND CONTROLLER AND CONDITIONS FOR RESTTING WHEN ABNORMALITY OCCURS...4757
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTIN OF ENGINE CONTROLLER SYSTEM...4758
JUDGEMENT TABLE FOR ENGINE CONTROLLER ...4760
G-1 [90][OFF OR 10]ABNORMALITY IN POWER SOURCE SYSTEM ...4761
G-2 [90][11]ABNORMALITY IN CONTROLLER SYSTEM ...4761
G-3 [90][21]MISTAKEN CONNECTION OF CONNECTOR ...4762
G-4 [90][56]ABNORMALITY IN CONTROLLER SOLENOID POWER SOURCE SYSTEM ...4762
G-5 [90][58]ABNORMALITY IN BACK-UP POWER SOURCE SYSTEM ...4763
G-6 [90][59]ABNORMALITY IN SWITCH POWER SOURCE SYSTEM ...4764
G-7 [91][14]ABNORMALITY IN GOVERNOR SOLENOID SYSTEM ...4765
G-8 [91][16]ABNORMALITY IN GOVERNOR CUT RELAY SYSTEM ...4766
G-9 [91][19]ABNORMALITY IN GOVERNOR SERVO SYSTEM ...4767
G-10 [91][1d]ABNORMALITY IN PRE-STROKE SOLENOID SYSTEM ...4768
G-11 [92][12]ABNORMALITY IN RACK SENSOR SYSTEM ...4769
G-12 [92][18]ABNORMALITY IN RACK SENSOR POWER SOURCE SYSTEM ...4770
G-13 [93][1b]ABNORMALITY IN ENGINE SPEED SENSOR A SYSTEM ...4771
G-14 [94][1c]ABNORMALITY IN ENGINE SPEED SENSOR B SYSTEM ...4772
G-15 [93,94][1b,1c]ABNORMALITY IN ENGINE SPEED SENSOR A,B SYSTEM ...4773
G-16 [95][40]ABNORMALITY IN WATER TEMPERATURE SENSOR SYSTEM ...4773
G-17 [97][31]ABNORMALITY IN ACCELERATOR SENSOR SYSTEM ...4774
G-18 [99][22]ENGINE OVERRUN...4776
G-19 ENGINE DOES NOT START (CONTROLLER RELATED ONLY)...4776
G-20 ENGINE DOES NOT START...4777
G-21 ENGINE DOES NOT STOP ...4780
G-22 DEFECTIVE ACTUATION OF APS ...4781
a) PREHEATING LAMP SWITCH DOES NOT LIGHT UP WHEN APS SWITCH IS ON (ALL APS CONTROLLER LEDS ARE ALSO OFF)...4781
b) PREHEATING PILOT LAMP FLASHES WHEN WATER TEMPERATURE IS BELOW 20°C WHEN APS SWITCH IS ON (CONTROLLER LEDS ALL GIVE NORMAL DISPLAY) PREHEATING PILOT LAMP LIGHTS UP WHEN WATER TEMPERATURE IS ABOVE 20°C WHEN APS SWITCH IS ON (CONTROLLER LEDS ALL GIVE NORMAL DISPLAY) ...4783
c) NOZZLE DOES NOT INJECT FUEL WHEN STARTING SWITCH IS TURNED TO START AFTER COMPLETION OF PREHEATING WHEN APS SWITCH IS ON (CONTROLLER LEDS ALL GIVE NORMAL DISPLAY)...4783
d) APS CONTROLLER LED 1 (SHORT CIRCUIT IN GLOW PLUG 1 SYSTEM) GIVES ABNORMAL DISPLAY...4784
e) APS CONTROLLER LED 2 (DISCONNECTION IN GLOW PLUG 1 SYSTEM) GIVES ABNORMAL DISPLAY...4784
f) APS CONTROLLER LED 3 (SHORT CIRCUIT IN GLOW PLUG 2 SYSTEM) GIVES ABNORMAL DISPLAY...4785
g) APS CONTROLLER LED 4 (DISCONNECTION IN GLOW PLUG 2 SYSTEM) GIVES ABNORMAL DISPLAY...4785
h) APS CONTROLLER LED 5 (SHORT CIRCUIT WITH GROUND IN NOZZLE) GIVES ABNORMAL DISPLAY...4786
i) APS CONTROLLER LED 6 (DISCONNECTION IN NOZZLE) GIVES ABNORMAL DISPLAY ...4786
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)...4788
METHOD OF USING MATRIX TROUBLESHOOTING TABLES...4790
H-1 MACHINE DOES NOT START...4792
H-2 MACHINE LACKS POWER OR SPEED WHEN TRAVELING (ALL SPEED RANGES)...4793
H-3 TIME LAG IS EXCESSIVE WHEN STRATING OR SHIFTING GEAR ...4794
H-4 TORQUE CONVERTER OIL TEMPERATURE IS HIGH ...4795
H-5 STEERING DOES NOT TURN ...4796
STEERING WHEEL SPECIFICATION...4796
H-6 STEERING DOES NOT TURN...4797
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4797
H-7 STEERING DOES NOT TURN ...4798
AJSS ( ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION...4798
H-8 TURNING,RESPONSE OF STEERING IS POOR ...4799
STEERING WHEEL SPECIFICATION...4799
H-9 TURNING,RESPONSE OF STEERING IS POOR ...4800
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4800
H-10 TURNING,RESPONSE OF STEERING IS POOR ...4802
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION...4802
H-11 STEERING IS HEAVY ...4803
STEERING WHEEL SPECIFICATION...4803
H-12 JOYSTICK LEVER IS HEAVY...4803
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4803
H-13 JOYSTICK LEVER IS HEAVY...4804
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION...4804
H-14 STEERING WHEEL SHAKES OR JERKS...4805
STEERING WHEEL SPECIFICATION...4805
H-15 STEERING SHAKES OR THERE IS EXCESSIVE SHOCK...4806
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4806
H-16 STEERING WHEEL SHAKES OR JERKS ...4807
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION...4807
H-17 MINIMUM TURNING RADII TO RIGHT AND LEFT ARE DIFFERENT...4808
STEERING WHEEL SPECIFICATION,STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4808
H-18 MINIMUM TURNING RADII TO RIGHT AND LEFT ARE DIFFERENT ...4808
AJSS (ADVANCED JOYSTICK STEERING SYSTEM SPECIFICATION...4808
H-19 WHEEL BRAKES DO NOT WORK OR BRAKING EFFECT IS POOR...4809
H-20 WHEEL BRAKES ARE NOT RELEASED OR BRAKES DRAG ...4811
H-21 PARKING BRAKE DOES NOT WORK OR BRAKING EFFECT IS POOR...4812
H-22 PARKING BRAKE IS NOT RELEASED OR BRAKE DRAGS...4813
H-23 NEITHER BOOM NOR BUCKET MOVE...4814
H-24 BOTH BOOM AND BUCKET ARE SLOW OR LACK POWER...4815
H-25 BOOM DOES NOT MOVE...4816
H-26 BOOM IS SLOW OR BOOM LACKS POWER...4817
H-27 BOOM CANNOT BE SET TO FLOAT OR CANNOT BE RELEASED FROM FLOAT...4818
H-28 BOOM DROPS MOMENTARILY WHEN CONTROL LEVER IS OPERATED FROM HOLD TO RAISE...4818
H-29 EXCESSIVE HYDRAULIC DRIFT BOOM...4819
H-30 BUCKET DOES NOT MOVE...4820
H-31 BUCKET IS SLOW OR LACKS POWER...4821
H-32 EXCESSIVE HYDRAULIC DRIFT OF BUCKET ...4822
TROUBLESHOOTING OF TRANSMISSION CONTROL SYSTEM (T MODE)...4823
JUDGEMENT TABLE FOR TRANSMISSION CONTROLLER SYSTEM RELATED PARTS ...4825
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...4829
ELECTRICAL CIRCUIT DIAGRAM FOR TRANSMISSION CONIROL SYSTEM...4839
T-1 FAILURE CODE[10](SHORT CIRCUIT,DISCONNECTION,SHORT CIRCUIT WITH POWER SOURCE IN BACKUP LAMP RELAY)IS DISPLAYED...4843
T-2 FAILURE CODE[12](SHORT CIRCUIT,DISCONNECTION,SHORT CIRCUIT WITH POWER SOURCE IN F SOLENOID)IS DISPLAYED...4844
T-3 FAILURE CODE[13](SHORT CIRCUIT,DISCONNECTION,SHORT CIRCUIT WITH POWER SOURCE IN R SOLENOID)IS DISPLAYED...4845
T-4 FAILURE CODE[14](SHORT CIRCUIT ,DISCONNECTION,SHORT CIRCUIT WITH POWER SOURCE IN 1ST SOLENOID)IS DISPLAYED...4846
T-5 FAILURE CODE[15](SHORT CIRCUIT,DISCONNECTION,SHORT CIRCUIT WITH POWER SOURCE IN 2ND SOLENOID)IS DISPLAYED...4847
T-6 FAILURE CODE[16](SHORT CIRCUIT,DISCONNECTION,SHORT CIRCUIT WITH POWER SOURCE IN 3RD SOLENOID)IS DISPLAYED...4848
T-7 FAILURE CODE[17](SHORT CIRCUIT,DISCONNECTION,SHORT CIRCUIT WITH POWER SOURCE IN 4TH SOLENOID)IS DISPLAYED...4849
T-8 FAILURE CODE[19](SHORT CIRCUIT,DISCONNECTION IN JOYSTICK DIRECTIONAL SWICH SYSTEM)IS DISPLAYED...4850
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4850
T-9 FAILURE CODE[20](SHORT CIRCUIT,DISCONNECTION IN DIRECTIONAL SWITCH SYSTEM)IS DISPLAYED...4851
STEERING WHEEL SPECIFICATION,STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4851
T-10 FAILURE CODE[20](SHORT CIRCUIT OR DISCONNECTION IN JOYSTICK DIRECTIONAL SWITCH SYSTEM)IS DISPLAYED...4854
AJSS(ADVAANCED JOYSTICK STEERING SYSTEM)SPECIFICATION...4854
T-11 FAILURE CODE[21](SHORT CIRCUIT,DISCONNECTION IN RANGE SWITCH SYSTEM)IS DISPLAYDED...4855
STEERING WHEEL SPECIFICATION,STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4855
T-12 FAILURE CODE[21](SHORT CIRCUIT OR DISCONNECTION IN JOYSTICK SHIFT-UP/SHIFT-DOWN SWITCH SYSTEM)IS DISPLAYED...4858
AJSS(ADVANCED JOYSTICK STEERING SYSTEM)SPECIFICATION...4858
T-13 FAILURE CODE[22](DISCONNECTION IN TRAVEL SPEED SENSOR SYSTEM)IS DISPLAYED...4860
STEERING WHEEL SPECIFICATION,STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4860
T-14 FAILURE CODE[22](DISCONNECTION IN TRAVEL SPEED SENSOR SYSTEM)IS DISPLAYED...4861
AJSS(ADVANCED JOYSTICK STEERING SYSTEM)SPECIFICATION...4861
T-15 FAILURE CODE[23](SHORT CIRCUIT,DISCONNECTION IN ENGINE SPEED SENSOR SYSTEM)IS DISPLAYED...4862
T-16 KICKDOWN SWITCH SIGNAL SYSTEM AND HOLD SWITCH SIGNAL SYSTEM ...4866
STEERING WHEEL SPECIFICATION,AJSS(ADVANCED JOYSTICK STEERING SYSTEM)SPECIFICATION...4866
T-17 SHIFT-DOWN SWITCH SIGNAL SYSTEM AND SHIFT-UP SWITCH SIGNAL SYSTEM...4867
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4867
T-18 TRANSMISSION CUT-OFF SIGNAL SYSTEM...4868
T-19 NEUTRALIZER RELAY SIGNAL SYSTEM...4869
STEERING WHEEL SPECIFICATION,STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4869
T-20 NEUTRALIZER RELAY SIGNAL SYSTEM ...4870
AJSS(ADVANCED JOYSTICK STEERING SYSTEM SPECIFICATION...4870
T-21 BUZZER SIGNAL SYSTEM...4872
T-22 NETWORK SYSTEM...4873
T-23 TRANSMISSION CONTROLLER POWER SOURCE SYSTEM...4874
STEERING WHEEL SPECIFICATION,STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4874
T-24 TRANSMISSION CONTROLLER POWER SOURCE SYSTEM...4875
AJSS(ADVANCED JOYSTICK STEERING SYSTEM)SPECIFICATION...4875
T-25 SHORT CIRCUIT IN TRAVEL SPEED SENSOR SYSTEM...4876
STEERING WHEEL SPECIFICATION,STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION...4876
T-26 SHORT CIRCIUT IN TRAVEL SPEED SENSOR SYSTEM ...4877
AJSS(ADVANCED JOYSTICK STEERING SYSTEM)SPECIFICATION...4877
TROUBLESHOOTING OF JOYSTICK STEERING CONTROLLER SYSTEM (J MODE)...4878
JUDGEMENT TABLE FOR JOYSTICK CONTROLLER SYSTEM RELATED PARTS...4879
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...4880
ELECTRICAL CIRCUIT DIAGRAM FOR JOYSTICK STEERING SYSTEM...4884
J-1 FAILURE CODE[56](SHORT CIRCUIT,DISCONNECTION IN CAUTION RELAY OUTPUT)IS DISPLAYED...4885
J-2 FAILURE CODE[57](SHORT CIRCUIT IN STEERING RIGHT SOLENOID(DETECTED WHEN OUTPUT))IS DISPLAYED...4886
J-3 FAILURE CODE[58](SHORT CIRCUIT IN STEERING LEFT SOLENOID(DETECTED WHEN OUTPUT))IS DISPLAYED...4887
J-4 FAILURE CODE[59](SHORT CIRCUIT IN STEERING RIGHT SOLENOID(HOT END))IS DISPLAYED...4888
J-5 FAILURE CODE[60](SHORT CIRCUIT IN STEERING LEFT SOLENOID(HOT END))IS DISPLAYED...4889
J-6 FAILURE CODE[61](SHORT CIRCUIT,DISCONNECTION IN STEERING SOLENOID CUT RELAY OUTPUT)IS DISPLAYED...4890
J-7 FAILURE CODE[62](SHORT CIRCUIT,DISCONNECTION IN JOYSTICK STEERING NEUTRAL SIGNAL)IS DISPLAYED...4891
J-8 FAILURE CODE[63](SHORT CIRCUIT,DISCONNECTION IN JOYSTICK STEERING LEVER POTENTIOMETER SYSTEM)IS DISPLAYED...4892
J-9 ABNORMALITY IN POWER SOURCE,VOLTAGE...4893
J-10 ABNORMALITY IN JOYSTICK STEERING ON-OFF SIGNAL SYSTEM...4894
J-11 DISCONNECTION IN STEERING RIGHT SOLENOID ...4895
J-12 DISCONNECTION IN STEERING LEFT SOLENOID ...4896
TROUBLESHOOTING OF AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL SYSTEM (A MODE)...4897
JUDGEMENT TABLE FOR AJSS (ADVANCED JOSTICK STEERING SYSTEM) CONTROL SYSTEM...4898
OPERATIONS OF CONTROLLER AGINST ABNORMALITY AND CONDITIONS OF MACHINE CAUSED BY ABNORMALITY...4899
ELECTRIC CIRCUIT DIAGRAM RELATED TO AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL...4903
A-1 ERROR CODE [56] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN CAUTION BUZZER RELAY SYSTEM)IS IDSPLAYED...4905
A-2 ERROR CODE [57] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN STEERING LEVER ANGLE SENSOR SYSTEM) IS DISPALYED...4906
A-3 ERROR CODE [58] (DEVIATION OF STEERING LEVER ANGLE SENSOR AND FRAME ANGLE SENEOR SIGNALS) IS DISPLAYED...4907
A-4 ERROR CODE [59] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN FRAME ANGLE SENSOR SYSTEM) IS DISPLAYED...4908
A-5 ERROR CODE [60] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN STEERING LEVER LOCK PRESSURE SWITCH SYSTEM) IS DISPLAYED...4909
A-6 ERROR CODE [62] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN STEERING NEUTRAL INTERLOCK RELAY SYSTEM) IS DISPLAYED...4910
A-7 ERROR CODE [63] (DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND,OR SHORT CIRCUIT WITH POWER SOURCE IN STEERING MAIN PRESSURE CONTROL EPC SOLENOID SYSTEM) IS DISPLAYED...4911
A-8 STEERING SPEEDS IN BOTH DIRECTIOND ARE DIFFERENT...4912
A-9 ABNORMALITY IN CONSOLE SWITCH (ADJUSTMENT OF STEERING LEVER ANGLE SERSOR AND FRAME ANGLE SENSOR IS IMPOSSIBLE)...4913
A-10 ABNORMALITY IN POWER SOURCE AND VOLTAGE...4914
TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM (EA MODE)...4915
MTHOD OF ERROR CODE DISPLAY...4917
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ERROR CODE IS DISPLAYED...4919
ELECTRICAL CIRCUIT DIAGRAM FOR ENGINE CONTROL SYSTEM...4927
EA-1 ERROR CODE [111] (ABNORMALITY IN CONTROLLER MEMORY)...4929
EA-2 ERROR CODE [112] (ABNORMALITY IN TIMING RAIL ACTUATOR)...4929
EA-3 ERROR CODE [113] (ABNORMALITY WITH ELECTRIC CURRENT IN TIMING RAIL ACTUATOR SYSTEM)...4930
EA-4 ERROR CODE [115] (ABNORMALITY IN ENGINE SPEED SENSOR 2 SYSTEM)...4931
EA-5 ERROR CODE [116] (ABNORMALITY [HIGH LEVEL] IN TIMING RAIL PRESSURE SENSOR SYSTEM)...4933
EA-6 ERROR CODE [117] (ABNORMALITY [LOW LEVEL] IN TIMING RAIL PRESSURE SENSOR SYSTEM)...4934
EA-7 ERROR CODE [118] (ABNORMALITY [HIGH LEVEL] IN FUEL PUMP PRESSURE SENSOR SYSTEM)...4935
EA-8 ERROR CODE [119] (ABNORMALITY [LOW LEVEL] IN FUEL PUMP PRESSURE SENSOR SYSTEM)...4936
EA-9 ERROR CODE [121] (ABNORMALITY IN ENGINE SPEED SENSOR 1 SYSTEM)...4937
EA-10 ERROR CODE [122] (ABNORMALITY [HIGH LEVEL] IN BOOST PRESSURE SENSOR SYSTEM)...4938
EA-11 ERROR CODE [123] (ABNORMALITY [LOW LEVEL] IN BOOST PRESSURE SENSOR SYSTEM)...4939
EA-12 ERROR CODE [131] (ABNORMALITY [HIGH LEVEL] IN ACCELERATOR PRESSURE SENSOR SYSTEM)...4940
EA-13 ERROR CODE [132] (ABNORMALITY [LOW LEVEL] IN ACCELERATOR PRESSURE SENSOR SYSTEM)...4941
EA-14 ERROR CODE [135] (ABNORMALITY [HIGH LEVEL] IN OIL PRESSURE SENSOR SYSTEM)...4942
EA-15 ERROR CODE [141] (ABNORMALITY [LOW LEVEL] IN OIL PRESSURE SENSOR SYSTEM)...4943
EA-16 ERROR CODE [143] (ABNORMAL DROP IN OIL PRESSURE (LEVEL 1))...4944
EA-17 ERROR CODE [144] (ABNORMALITY [HIGH LEVEL] IN WATER TEMPERATUER SENSOR SYSTEM)...4945
EA-18 ERROR CODE [145] (ABNORMALITY [LOW LEVEL] IN WATER TEMPERATUER SENSOR SYSTEM)...4946
EA-19 ERROR CODE [151] (ABNORMALITY RISE IN WATER TEMPERATURE)...4946
EA-20 ERROR CODE [153] (ABNORMALITY [HIGH LEVEL] IN INTAKE AIR TEMPERATUER SENSOR SYSTEM)...4947
EA-21 ERROR CODE [154] (ABNORMALITY [LOW LEVEL] IN INTAKE AIR TEMPERATUER SENSOR SYSTEM)...4947
EA-22 ERROR CODE [221] (ABNORMALITY [HIGH LEVEL] IN ATMOSPHERIC PRESSURE SENSOR SYSTEM)...4948
EA-23 ERROR CODE [222] (ABNORMALITY [LOW LEVEL] IN ATMOSPHERIC PRESSURE SENSOR SYSTEM)...4949
EA-24 ERROR CODE [234] (OVERSPEED)...4951
EA-25 ERROR CODE [254] (ABNORMALITY IN FUEL SHUT-OFF CALVE SYSTEM VOLTAGE)...4952
EA-26 ERROR CODE [259] (ABNORMALITY IN FUEL SHUT-OFF VALVE)...4953
EA-27 ERROR CODE [261] (ABNORMALITY RISE IN DUEL TEMPERATURE)...4953
EA-28 ERROR CODE [263] (ABNORMALITY [HIGH LEVEL] IN FUEL TEMPERATURE SENSOR SYSTEM)...4954
EA-29 ERROR CODE [265] (ABNORMALITY [LOW LEVEL] IN FUEL TEMPERATURE SENSOR SYSTEM)...4954
EA-30 ERROR CODE [316] (ABNORMALITY IN FUEL PUMP ACTUATOR SYSTEM CURRENT)...4955
EA-31 ERROR CODE [318] (ABNORMALITY IN FUEL PUMP ACTUATOR...4956
EA-32 ERROR CODE [343] (ABNORMALITY IN CONTROLLER INTERNAL COMMUNICATION)...4956
EA-33 ERROR CODE [346] (ABNORMALITY IN CONTROLLER POWER DOWN)...4957
EA-34 ERROR CODE [384] (ABNORMALITY IN PREHEATING HEATER CONTROL SYSTEM)...4958
EA-35 ERROR CODE [415] (ABNORMAL DROP IN OIL PRESSURE (LEVEL 2)...4959
EA-36 ERROR CODE [423] (ABNORMALITY [IN RANGE] IN TIMING RAIL PRESSURE SENSOR SYSTEM)...4959
EA-37 ERROR CODE [431] (ABNORMALITY [1] IN IDING VALIDATION SWITCH SYSTEM)...4961
EA-38 ERROR CODE [432] (LDING VALIDATION PROCESS REEOR)...4963
EA-39 ERROR CODE [441] (ABNORMALITY [LOW LEVEL] IN BATTERY VOLTAGE)...4965
EA-40 ERROR CODE [442] (ABNORMALITY [HIGH LEVEL] IN BATTERY VOLTAGE)...4965
EA-41 ERROR CODE [451] (ABNORMALITY [HIGH LEVEL] IN FUEL RAIL PRESSURE SENSOR SYSTEM)...4966
EA-42 ERROR CODE [452] (ABNORMALITY [LOW LEVEL] IN FUEL RAIL PRESSURE SENSOR SYSTEM)...4967
EA-43 ERROR CODE [455] (ABNORMALITY IN FUEL RAIL ACTUATOR SYSTEM CURRENT)...4968
EA-44 ERROR CODE [467] (ABNORMALITY IN TIMING RAIL ACTUATOR CONTROL)...4969
EA-45 ERROR CODE [468] (ABNORMALITY IN FUEL RAIL ACTUATOR CONTROL)...4969
EA-46 ERROR CODE [514] (ABNORMALITY IN FUEL RAIL ACTUATOR)...4969
EA-47 ERROR CODE [527] (ABNORMALITY IN DUAL OUTPUT SOLENOID A SYSTEM)...4970
EA-48 ERROR CODE [551] (ABNORMALITY [2] IN IDING VALIDATION SWITCH SYSTEM)...4970
EA-49 ERROR CODE [554] (ABNORMALITY [IN RANGE] IN FUEL RAIL PRESSURE SENSOR)...4971
TROUBLESHOOTING OF VHMS CONTROLLER SYSTEM (VHMS MODE)...4973
ELECTRICAL SYSTEM DIAGRAM RELATED VHMS CONTROLLER...4975
INFORMATION GIVEN IN TROUBLESHOOTING CHART...4977
PHENOMENON TYPE CODE LIST...4978
[DBB0KK] (OR VHMS_LED INDICATES [N901] ABNORMALITY IN SOURCE VOLTAGE...4979
[DBB5KP] (OR VHMS_LED INDICATES [N904]) ABNORMALITY IN SENSOR POWER SOURCE (5 V) SYSTEM ...4981
[DBB6KP] (OR VHMS_LED INDICATES [N902]) ABNORMALITY IN SENSOR POWER SOURCE (24 V) SYSTEM ...4983
[DBBRKR] (OR VHMS_LED DISPLAYS [N801]) DEFECTIVE CAN COMMUNICATIONS :DEFECTIVE COMMUNICATIONS (KR) (BETWEEN ENGINE CONTROLLER AND VHMS CONTROLLER)...4985
[DGE1KB] (OR VHMS_LED DISPLAYS [N242]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN ENGINE OIL TEMPERATURE SENSOR SYSTEM (KB) {30 MIN.(AT 500 RPM OR ABOVE) AFTER STARTING ENGINE}...4987
[DGE1KY] (OR VHMS_LED DISPLAYS [N242]) SHORT CIRCUIT WITH POWER SOURCE (HOT SHORT) IN ENGINE OIL TEMPERATURE SENSOR SYSTEM (KY) ...4988
[DGE5KX] (OR VHMS_LED DISPLAYS [N401]) FAILURE IN AMBIENT TEMPERATURE SENSOR SYSTEM:INPUT SIGNAL OUTSIDE RANGE (KX)...4989
[DGT4KA] (OR VHMS_LED DISPLAYS [N312]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN NO.1,2,3 (FRONT) EXHAUST TEMPERATURE SENSOR SYSTEM (KA)...4990
[DGT4KB] (OR VHMS_LED DISPLAYS [N311]) SHORT CIRCUIT WITH POWER SOURCE (HOT SHORT) IN NO.1,2,3 (REAR) EXHAUST TEMPERATURE SENSOR SYSTEM (KB)...4992
[DGT5KA] (OR VHMS_LED DISPLAYS [N322]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN NO.4,5,6(FRONT) EXHAUST TEMPERATURE SENSOR SYSTEM (KA)...4994
[DGT5KB] (OR VHMS_LED DISPLAYS [N321]) SHORT CIRCUIT WITH POWER SOURCE (HOT SHORT) IN NO.4,5,6 (FRONT) EXHAUST TEMPERATURE SENSOR SYSTEM (KB) ...4996
[DHE5KB] (OR VHMS_LED DISPLAYS [N332]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN ENGINE BLOW-BY PRESSURE SENSOR SSYSTEM (KA) ...4998
[DHE5KY] (OR VHMS_LED DISPLAYS [N331]) SHORT CIRCUIT WITH POWER SOURCE (HOT SHORT) IN ENGINE BLOW-BY PRESSURE SENSOR SYSTEM (KY) ...5000
[DHT3KX] (OR VHMS_LED DISPLAYS [N614]) TROUBLE IN TRANSMISSION OIL PRESSURE SENSOR SYSTEM:OUT OF INPUT SIGNAL RANGE (KX) ...5001
[DHP2KX] (OR VHMS_LED DISPLAYS [N531]) TROUBLE IN MAIN PUMP OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SINGNAL RANGE (KX) ...5003
[DHT8KX] (OR VHMS_LED DISPLAYS [N533]) TROUBLE IN STEERING OIL PRESSURE SENSOR SYSTEM:OUT OF INPUT SINGNAL RANGE (KX) ...5005
[DGH2KX] (OR VHMS_LED DISPLAYS [N537]) TROUBLE IN HYDRAULIC OIL TEMPERATURE SENSOR SYSTEM: OUT OF INPUT SINGNAL RANGE (KX)...5007
[DHU2KX] (OR VHMS_LED DISPLAYS [N711]) TROUBLE IN FRONT BRAKE OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SINGNAL RANGE (KX)...5008
[DHU3KX] (OR VHMS_LED DISPLAYS [N712]) TROUBLE IN REAR BRAKE OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SINGNAL RANGE (KX)...5010
[DGR4KX] (OR VHMS_LED DISPLAYS [N717]) TROUBLE IN FRONT BRAKE OIL TEMPERATURE SENSOR SYSTEM: OUT OF INPUT SINGNAL RANGE (KX)...5012
[F@BBZL] (OR VHMS_LED DISPLAYS [N338]) ENGINE BLOW-BY PRESSURE IS HIGH: (ZL)...5013
[F@BYNR] (OR VHMS_LED DISPLAYS [N362]) NO.1,2,3 (REAR) EXHAUST TEMPERATURE IS HIGH (2): (NR)...5014
[F@BYNS] (OR VHMS_LED DISPLAYS [N361]) NO.1,2,3 (REAR) EXHAUST TEMPERATURE IS HIGH (1): (NS)...5015
[F@BZNR] (OR VHMS_LED DISPLAYS [N372]) NO.4,5,6 (FRONT) EXHAUST TEMPERATURE IS HIGH (2): (NR)...5016
[F@BZNS] (OR VHMS_LED DISPLAYS [N371]) NO.4,5,6 (FRONT) EXHAUST TEMPERATURE IS HIGH (1): (NS)...5017
VHMS-1 ABNORMALITY IN SATELLITE DATA COMMUNICATION...5018
a) SATELLOTE COMMUNICATION DATA ARE NOT TRANSMITTED...5018
b) ABNORMALITY IN DOWNLOADING INTO PC OR SETTING OF PC...5022
VHMS-2 ABNORMALITY IN SAVING DATA IN VHMS CONTROLLER (DATA ARE NOT SAVED)...5024
VHMS-3 ENGINE BLOW-BY PRESSURE INDICATED BY MONITOR IS LOW (WHEN BLOW-BY PRESSURE MEASURED WITH MEASURING INSTRUMENT IS NORMAL)...5026
30 DISASSEMBLY AND ASSEMBLY...5027
METHOD OF USING MANUAL...5030
PRECAUTIONS WHEN CARRYING OUT OPERATION...5032
SPECIAL TOOL LIST...5035
SKETCHES OF SPCIAL TOOLS...5040
STARTING MOTOR...5044
REMOVAL & INSTALLATION...5044
ALTERNATOR...5045
REMOVAL & INSTALLATION...5045
ENGINE OIL COOLER...5047
REMOVAL & INSTALLATION...5047
FUEL INJECTION PUMP...5049
REMOVAL...5049
INSTALLATION...5050
WATER PUMP...5051
REMOVAL & INSTALLATION...5051
NOZZLE HOLDER...5052
REMOVAL & INSTALLATION...5052
TURBOCHARGER...5053
REMOVAL...5053
INSTALLATION...5054
REPLACEMENT ENGINE...5055
FRONT SEAL...5055
REAR SEAL...5057
CYLINDER HEAD...5059
REMOVAL...5059
INSTALLATION...5062
THERMOSTAT...5064
REMOVAL & INSTALLATION...5064
HYDRAULIC OIL COOLER, RADIATOR, AFTERCOOLER...5065
REMOVAL...5065
INSTALLATION...5066
HYDRAULIC OIL COOLER, RADIATOR AFTERCOOLER,FUEL COOLER...5067
REMOVAL...5067
INSTALLATION...5069
ENGINE, DAMPER...5070
REMOVAL...5070
INSTALLATION...5072
DAMPER...5076
REMOVAL & INSTALLATION...5076
DISASSEMBLY...5077
ASSEMBLY...5079
PTO...5083
DISASSEMBLY...5083
ASSEMBLY...5085
TORQUE CONVERTER, TRANSMISSION...5088
REMOVAL...5088
INSTALLATION...5092
TORQUE CONVERTER...5093
DISASSEMBLY...5093
ASSEMBLY...5097
TRANSMISSION...5102
DISASSEMBLY...5102
ASSEMBLY...5116
TRANSMISSION VALVE...5131
REMOVAL & INSTALLATION...5131
TRANSMISSION CONTROL VALVE...5132
DISASSEMBLY & ASSEMBLY...5132
TRANSFER...5137
DISASSEMBLY...5137
ASSEMBLY...5144
CENTER SUPPORT...5153
REMOVAL...5153
INSTALLATION...5154
DISASSEMBLY...5155
ASSEMBLY...5157
DRIVE SHAFT...5160
DISASSEMBLY...5160
ASSEMBLY...5162
FRONT AXLE...5164
REMOVAL...5164
INSTALLATION...5165
FRONT DIFFERENTIAL...5166
REMOVAL...5166
INSTALLATION...5167
REAR AXLE...5170
REMOVAL...5170
INSTALLATION...5174
REAR DIFFERENTIAL...5175
REMOVAL...5175
INSTALLATION...5176
DISASSEMBLY...5177
ASSEMBLY...5181
FINAL DRIVE...5190
DISASSEMBLY...5190
ASSEMBLY...5194
ORBIT ROLL...5198
REMOVAL & INSTALLATION...5198
STEERING CYLINDER...5199
REMOVAL...5199
INSTALLATION...5201
STEERING DAMAND VALVE...5202
REMOVAL...5202
INSTALLATION...5203
BRAKE VALVE...5204
REMOVAL & INSTALLATION...5204
BRAKE VALVE (R.H.)...5205
DISASSEMBLY...5205
ASSEMBLY...5207
BRAKE VALVE (L.H.)...5209
DISASSEMBLY...5209
ASSEMBLY...5211
SLACK ADJUSTER...5213
REMOVAL AND INSTALLATION...5213
DISASSEMBLY...5214
ASSEMBLY...5215
BRAKE...5216
REMOVAL...5216
INSTALLATION...5217
DISASSEMBLY...5218
ASSEMBLY...5222
HYDRAULIC PUMP...5228
REMOVAL...5228
INSTALLATION...5229
PISTON PUMP...5230
DISASSEMBLY...5230
ASSEMBLY...5236
HYDRAULIC TANK...5251
REMOVAL...5251
INSTALLATION...5252
PPC VALVE...5253
REMOVAL...5253
INSTALLATION...5254
DISASSEMBLY & ASSEMBLY...5255
WORK EQUIPMENT VALVE...5256
REMOVAL...5256
INSTALLATION...5257
WORK EQUIPMENT CONTROL VALVE...5258
DISASSEMBLY...5258
ASSEMBLY...5260
DUMP CYLINDER...5262
REMOVAL & INSTALLATION...5262
LIFT CYLINDER...5263
REMOVAL...5263
INSTALLATION...5264
STEERING LIFT, DUMP CYLINDER...5265
DISASSEMBLY...5265
ASSEMBLY...5267
GENTER HINGE PIN...5269
REMOVAL...5269
INSTALLATION...5275
WORK EUIPMENT...5279
REMOVAL...5279
INSTALLATION...5282
BULKHAD...5284
REMOVAL...5284
INSTALLATION...5285
FLOOR FRAME...5289
REMOVAL...5289
INSTALLATION...5291
COUNTERWEIGHT...5292
REMOVAL & INSTALLATION...5292
FUEL TAKE...5293
REMOVAL...5293
INSTALLATION...5294
CAB...5297
REMOVAL...5297
INSTALLATION...5299
STOP VALVE...5300
REMOVAL & INSTALLATION...5300
ACCUMULATOR CHARGR VALVE...5301
REMOVAL & INSTALLATION...5301
DISASSEMBLY...5302
ASSEMBLY...5303
PARKING BRAKE SOLENOID VALVE AND PRESSURE SWITCH...5305
REMOVAL & INSTALLTION...5305
DIVERTER VALVE...5306
REMOVAL & INSTALLATION...5306
DISASSEMBLY...5307
ASSEMBLY...5308
EMERGENCY STEERING PUMP...5310
REMOVAL & INSTALLATION...5310
PARKING BRAKE...5311
REMOVAL & INSTALLATION...5311
PARKING BRAKE CALIPERS...5312
DISASSEMBLY...5312
ASSEMBLY...5314
PARKING BRAKE PAD...5316
REMOVAL & INSTALLATION...5316
REAR TIRE...5319
REMOVAL AND INSTALLATAION...5319
AIR CONDITIONER COMPRESSOR...5320
REMOVAL & INSTALLATION...5320
CONDITIONER CONDENSER...5323
REMOVAL AND INSTALLATION...5323
RECEIVER TAKE...5325
REMOVAL & INSTALLATAION...5325
AIR CONDITIONER UNIT...5326
REMOVAL...5326
INSTALLATION...5327
MAIN MONITOR...5328
REMOVAL...5328
INSTALLATION...5329
MAINTENANCE MONITOR...5330
REMOVAL & INSTALLATION...5330
ENGINE, APS CONTROLLER...5331
REMOVAL & INSTALLATION...5331
40 MAINTENANCE STANDARD...5332
ENGINE AND TRANSMISSION MOUNT...5333
DAMPER...5334
TORQUE CONVERTER AND PTO...5336
TORQUE CONVERTER REGULATOR VALVE...5337
TRANSMISSION...5338
TRANSIMISSION CONTROL VALVE...5341
TRANSFER...5346
DRIVE SHAFT...5348
CENTER SUPPORT...5349
DIFFERENTIAL...5350
FINAL DRIVE...5352
AXLE MOUNT...5354
CENTER HINGE PIN...5356
STEERING COLUMN...5358
STEERING DEMAND VALVE...5359
DIVERTER VALVE...5361
STEERING CYLIDER MOUNT...5362
EMERGENCY STEERING PUMP...5363
BRAKE VALVE...5364
SLACK ADJUSTER...5370
BRAKE...5371
PARKING BRAKE...5375
CONTROL PUMP...5376
STEERING AND SWITCH PUMP...5377
MAIN PISTON PUMP...5378
MAIN CONTROL VALVE...5379
PPC VALVE...5383
PPC RELIEF VALVE...5385
HYDRAULIC CYLINDER...5386
WORK EQUIPMENT LINKAGE...5387
BUCKET...5389
BUCKET POSITIONER AND BOOM KICK-OUT...5390
90 OTHERS...5391
ELECTRIC CIRCUIT DIAGRAM (1/5) (SERIAL.:500001-51000)...5392
ELECTRIC CIRCUIT DIAGRAM (2/5) (SERIAL.:500001-51000)...5393
ELECTRIC CIRCUIT DIAGRAM (3/5) (SERIAL.:500001-51000)...5394
ELECTRIC CIRCUIT DIAGRAM (4/5) (SERIAL.:500001-51000)...5395
ELECTRIC CIRCUIT DIAGRAM (5/5) (SERIAL.:500001-51000)...5396
ELECTRIC CIRCUIT DIAGRAM (1/6) (SERIAL.:51001 AND UP)...5397
ELECTRIC CIRCUIT DIAGRAM (2/6) (SERIAL.:51001 AND UP)...5398
ELECTRIC CIRCUIT DIAGRAM (3/6) (SERIAL.:51001 AND UP)...5399
ELECTRIC CIRCUIT DIAGRAM (4/6) (SERIAL.:51001 AND UP)...5400
ELECTRIC CIRCUIT DIAGRAM (5/6) (SERIAL.:51001 AND UP)...5401
ELECTRIC CIRCUIT DIAGRAM (6/6) (SERIAL.:51001 AND UP)...5402
ELECTRIC CIRCUIT DIAGRAM (1/3) (WITH AUTO SHIFT AND JOYSTICK STEERING) (SERIAL NO.:50001-51000)...5403
ELECTRIC CIRCUIT DIAGRAM (2/3) (WITH AUTO SHIFT AND JOYSTICK STEERING) (SERIAL NO.:50001-51000)...5404
ELECTRIC CIRCUIT DIAGRAM (3/3) (WITH AUTO SHIFT AND JOYSTICK STEERING) (SERIAL NO.:50001-51000)...5405
ELECTRIC CIRCUIT DIAGRAM (AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION) (1/3) (SERIAL NO.:51001 AND UP)...5406
ELECTRIC CIRCUIT DIAGRAM (AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION) (2/3) (SERIAL NO.:51001 AND UP)...5407
ELECTRIC CIRCUIT DIAGRAM (AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION) (3/3) (SERIAL NO.:51001 AND UP)...5408
SEBM032802 - Wheel Loader WA700-3 (KA Spec.) Shop Manual...5409
COVER...5409
CONTENTS...5410
SAFETY...5416
SAFETY NOTICE...5416
FOREWORD...5418
GENERAL...5418
HOW TO READ THE SHOP MANUAL...5419
HOISTING INSTRUCTIONS...5420
METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER...5421
COATING MATERIALS...5423
STANDARD TIGHTENING TORQUE...5425
ELECTRIC WIRE CODE...5428
CONVERSION TABLE...5429
UNITS...5435
01 GENERAL...5436
GENERAL ASSEMBLY DRAWING...5437
SPECIFICATIONS...5438
WEIGHT TABLE...5441
LIST OF LUBRICANT AND WATER...5443
10 STRUCTURE AND FUNCTION...5446
OUTLINE...5447
POWER TRAIN SYSTEM...5449
DAMPER...5451
RADIATOR AND OIL COOLER...5452
TORQUE CONVERTER AND TRANSMISSION PIPING...5453
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM...5455
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM...5457
TORQUE CONVERTER AND PTO...5459
TORQUE CONVERTER REGULATOR VALVE...5462
TRANSMISSION...5464
TRANSMISSION CONTROL VALVE...5473
TORQUE CONVERTER OIL COOLER...5493
TRANSMISSION OIL FILTER...5494
TRANSFER...5496
AXLE...5497
DIFFERENTIAL...5499
FINAL DRIVE...5502
AXLE MOUNT...5505
CENTER HINGE PIN...5507
JOYSTICK STEERING LINKAGE...5508
STEERING AND SWITCH PUMP...5509
SWITCH PUMP CUT-OFF SOLENOID...5511
STEERING DEMAND VALVE...5512
EPC VALVE...5523
ROTARY VALVE...5524
TWO WAY RESTRICTOR VALVE...5527
DIVERTER VALVE...5528
BRAKE PIPING...5532
BRAKE CIRCUIT DIAGRAM...5533
BRAKE VALVE...5535
CHARGE VALVE...5541
ACCUMULATOR (FOR BRAKE)...5545
SLACK ADJUSTER...5546
BRAKE...5549
PARKING BRAKE...5551
SPRING CYLINDER...5553
PARKING BRAKE SOLENOID VALVE...5554
HYDRAULIC PIPING...5555
HYDRAULIC CIRCUIT DIAGRAM...5557
MAIN PISTON PUMP...5560
ES • CO VALVE...5568
SERVO VALVE...5569
PRESSURE DIFFERENTIAL VALVE...5570
PPC VALVE (PROPORTIONAL PRESSURE VALVE)...5571
PPC RELIEF VALVE...5575
ACCUMULATOR (FOR PPC VALVE)...5576
MAIN CONTROL VALVE...5577
LUBRICATION OF WORK EQUIPMENT...5591
WORK EQUIPMENT LINKAGE...5593
BUCKET POSITIONER AND BOOM KICK-OUT...5595
OPERATION OF PROXIMITY SWITCH...5597
AIR CONDITIONER...5601
ELECTRIC CIRCUIT DIAGRAM...5604
MACHINE MONITOR SYSTEM...5604
MAIN MONITOR...5605
MAINTENANCE MONITOR...5609
AUTOMATIC TRANSMISSION SYSTEM (ATM)...5611
AJSS (ADVANCED JOYSTICK STEERING SYSTEM)...5622
TRANSMISSION AND JOYSTICK CONTROLLER...5627
ENGINE STARTING CIRCUIT...5629
ENGINE STOP CIRCUIT...5630
PREHEATING CIRCUIT...5631
FUEL SYSTEM...5632
KICK-DOWN, HOLD SWITCH...5633
ELECTRIC PARKING BRAKE CONTROL...5634
ELECTRIC CIRCUIT OF ACTIVE POWER MAXIMIZING FUNCITON...5643
[RELATED TO VHMS CONTROLLER]...5649
VHMS CONTROLLER...5649
BLOW-BY PRESSURE SENSOR...5649
ENGINE OIL TEMPERATURE SENSOR...5650
EXHAUST TEMPERATURE SENSOR/AMP...5651
AMBIENT TEMPERATURE SENSOR...5651
TRANSMISSION PUMP OIL PRESSURE SENSOR...5652
BRAKE OIL TEMPERATURE SENSOR AND HYDRAULIC OIL TEMPERATURE SENSOR...5653
BRAKE OIL PRESSURE SENSOR, STEERING OIL PRESSURE SENSOR AND WORK EQUIPMENT PUMP OIL PRESSURE SENSOR...5654
COMMUNICATIONS (ORB: ORBCOMM) CONTROLLER/ANTENNA...5655
20 TESTING AND ADJUSTING...5657
STANDARD VALUE TABLE FOR ENGINE...5658
STANDARD VALUE TABLE FOR CHASSIS...5659
STANDARD VALUE TABLE FOR ELECTRICAL PARTS...5664
TESTING AND ADJUSTING...5673
TABLE OF TOOLS FOR TESING, ADJUSTING, AND TROUBLESHOOTING...5674
ADJUSTING VALVE CLEARANCE...5676
MEASURING COMPRESSION PRESSURE...5677
MEASURING BLOW-BY PRESSURE...5679
MEASURING EXHAUST GAS COLOR...5680
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)...5681
MEASURING EXHAUST TEMPERATURE...5682
MEASURING ENGINE SPEED...5684
ADJUSTING SET LOAD OF INJECTOR...5686
TROUBLESHOOTING OF INJECTOR...5688
MEASURING FUEL CIRCUIT PRESSURE...5689
HANDLING EQUIPMENT IN FUEL CIRCUIT...5691
BLEEDING AIR FROM FUEL CIRCUIT...5692
ADJUSTING SPEED SENSORS...5694
TESTING AND ADJUSTING ALTERNATOR BELT TENSION...5695
TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION...5696
MEASURING ACCELERATOR PEDAL...5697
ADJUSTING ACCELERATOR PEDAL TRAVEL, POTENTIOMETER...5698
ADJUSTING ACCELERATOR PEDAL MICRO SWITCH...5700
MEASURING TORQUE CONVERTER, TRANSMISSION HYDRAULIC PRESSURE...5701
METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL...5703
TESTING AND ADJUSTING STEERING OIL PRESSURE...5705
ADJUSTING STEERING STOPPER BOLT...5706
ADJUSTING JOYSTICK STEERING...5707
ADJUSTING JOYSTICK LEVER NEUTRAL DETECTION SWITCH...5708
TESTING BRAKE OIL PRESSURE...5709
MEASURING WEAR OF BRAKE DISC...5710
MEASURING BRAKE PERFORMANCE...5711
TESTING AND ADJUSTING PARKING BRAKE...5712
TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE...5714
MEASURING PPC RELIEF VALVE HYDRAULIC PRESSURE...5715
TESTING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE...5717
BLEEDING AIR FROM THE PISTON PUMP...5719
ADJUSTING WORK EQUIPMENT LEVER LINKAGE...5720
TESTING AND ADJUSTING BUCKET POSITIONER...5722
TESTING AND ADJUSTING BOOM KICK-OUT...5723
TESTING AND ADJUSTING PROXIMITY SWITCH FOR ACTIVE POWER MAXIMIZING FUNCTION...5724
TESTING PROXIMITY SWITCH ACTUATION PILOT LAMP...5725
ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)...5726
BLEEDING AIR...5727
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...5728
PM CLINIC INSPECTION TABLE...5729
BASIC PRECAUTIONS...5731
OUTLINE...5734
SETTING UP VHMS CONTROLLER...5740
COLLECTION, TRANSMISSION OF DATA...5742
INSPECTION AND MAINTENANCE...5747
REPLACING PARTS...5747
TROUBLESHOOTING...5748
POINTS TO REMEMBER WHEN TROUBLESHOOTING ...5749
SEQUENCE OF EVENTS IN TROUBLESHOOTING...5750
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE...5751
CHECKS BEFORE TROUBLESHOOTING...5759
CONNECTOR TYPES AND MOUNTING LOCATIONS...5760
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...5764
T-BRANCH BOX AND T-BRANCH TABLE...5787
METHOD OF DISPLAYING ACTION CODE AND FAILURE CODE...5789
CHART OF ACTION CODES AND FAILURE CODES, AND RE-ENACTION...5791
TRANSMISSION CONTROLLER LED DISPLAY...5793
METHOD OF USING TROUBLESHOOTING CHARTS...5794
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)...5796
METHOD OF USING TROUBLESHOOTING CHARTS...5797
S-1 Starting performance is poor (starting always takes time)...5801
S-2 Engine does not start...5803
a) Engine does not turn...5803
b) Engine turns but no exhaust smoke comes out (fuel is not being injected)...5805
c) Exhaust smoke comes out but engine does not start (fuel is being injected)...5807
S-3 Engine does not pick up smoothly (follow-up is poor)...5809
S-4 Engine stops during operations...5811
S-5 Engine does not rotate smoothly (hunting)...5813
S-6 Engine lacks output (or lacks power)...5815
S-7 Exhaust smoke is black (incomplete combustion)...5817
S-8 Oil consumption is excessive (or exhaust smoke is blue)...5819
S-9 Oil becomes contaminated quickly...5820
S-10 Fuel consumption is excessive...5821
S-11 Oil is in cooling water, or water spurts back, or water level goes down...5822
S-12 Oil pressure caution lamp lights up (drop in oil pressure)...5823
S-13 Oil level rises...5824
S-14 Water temperature becomes too high (overheating)...5825
S-15 Abnormal noise is made...5826
S-16 Vibration is excessive...5827
TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE)...5828
ELECTRICAL CIRCUIT DIAGRAM FOR M MODE SYSTEM...5831
M-1 Main monitor does not work...5833
M-2 When starting switch is turned ON and engine is started immediately, all lamps stay lighted up...5834
M-3 Speedometer display does not work properly...5835
M-4 Abnormality in shift indicator...5836
a) displays N even when directional lever is at F...5836
b) Displays N even when directional lever is at R...5836
c) Does not display N even when directional lever is at N, and displays R when directional lever is at F...5836
d) Does not display N even when directional lever is at N, and displays F when directional lever is at R...5837
e) Does not display 1st even when speed lever is at 1 (directional lever at F or R)...5837
f) Does not display 2nd even when speed lever is at 2 (directional lever at F or R)...5837
g) Does not display 3rd even when speed lever is at 3 (directional lever at F or R)...5838
h) Does not display 4th even when speed lever is at 4 (directional lever at F or R)...5838
M-5 Turn signal display does not light up...5840
a) L.H. turn signal display does not light up...5840
b) R.H. turn signal display does not light up...5840
M-6 Abnormality in parking display...5841
a) Parking lamp display does not light up...5841
b) Parking lamp display stays lighted up...5841
M-7 Night lighting does not light up...5842
M-8 Abnormality in front working lamp...5843
a) Neither monitor display nor front working lamp light up...5843
b) Working lamp lights up but monitor display does not light up...5843
c) Monitor display lights up but working lamp does not light up...5843
M-9 Abnormality in rear working lamp...5845
a) Neither monitor display nor rear working lamp light up...5845
b) Working lamp lights up but monitor display does not light up...5845
c) Monitor display lights up but working lamp does not light up...5845
M-10 Abnormality in transmission cut-off...5846
a) When transmission cut-off switch is pressed, cut-off function is not switched and display does not change...5846
b) When transmission cut-off switch is turned OFF, cut-off function is always actuated...5846
c) Transmission cut-off switch turned ON, but cut-off function is not actuated...5847
Auto-shift specification...5848
a) When monitor switch (transmission cut-off switch) is pressed, cut-off function is not switched and display does not change...5848
b) When monitor switch (transmission cut-off switch) is OFF, monitor display goes out but cut-off funciton is actuated when pedal is depressed...5848
c) When monitor display is turned off (transmission cut-off switch turned OFF), cut-off function is always actuated...5848
d) Cut-off function is always actuated regardless of monitor display (transmission cut-off switch ON or OFF)...5848
e) Monitor display lights up (transmission cut-off switch turned ON), but cut-off function is not actuated...5849
M-11 Abnormality in parking brake dragging warning...5850
a) When parking brake is applied, buzzer sounds (intermittently) and caution lamp flashes even when directional lever is at N...5850
b) When parking brake is applied, buzzer does not sound and caution lamp does not light up even when directional lever is at position other than N...5850
M-12 When parking brake dragging warning is given, buzzer and caution lamp are actuated continuously, or they are not actuated...5852
a) Actuated continuously ...5852
b) Not actuated...5852
M-13 Abnormality in buzzer...5853
a) Buzzer does not sound when starting switch is at ON (for 3 seconds) (during self-check)...5853
b) Buzzer always sounds...5853
M-14 Condition of monitor switched is not stored in memory...5854
M-15 Abnormality in failure display mode...5855
a) Does not enter failure display mode...5855
b) Count for time elapsed since failure display mode does not advance...5855
M-16 Abnormality in emergency steering actuation display...5856
a) Emergency steering actuation display does not light up...5856
b) Emergency steering actuation display stays lighted up...5856
M-17 Abnormality in auto-greasing system...5857
a) Forced greasing cannot be carried out...5857
b) Monitor display flashes rapidly (2 times/sec.)...5857
c) When no more grease remains, monitor display flashes rapidly (2 times/sec.)...5857
d) Monitor display flashes slowly (1 time/sec.)...5858
e) Monitor display goes out...5858
M-18 Abnormality in low idling select system...5859
a) Display does not change when switch is pressed...5859
b) Monitor display lights up but low idling select function does not work...5859
TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)...5860
ELECTRICAL CIRCUIT DIAGRAM FOR K MODE SYSTEM...5861
K-1 When starting switch is turned ON, all lamps on maintenance monitor do not light up for 3 seconds, maintenance monitor does not work...5862
a) No lamps on maintenance monitor light up...5862
b) Some lamps do not light up...5862
K-2 When starting switch is turned ON, all lamps on maintenance monitor light up but do not go out (even after 3 seconds)...5863
K-3 When engine is started immediately after starting switch is turned ON (within 3 seconds), no lamps on maintenance monitor go out...5864
K-4 When starting switch is turned ON (engine stopped), CHECK items flash...5865
a) Engine oil level display flashes...5865
b) Engine water level display flashes...5866
K-5 When starting switch is turned ON (engine started), CAUTION items flash...5867
a) Engine oil pressure display flashes (Check that the engine oil pressure is correct.)...5867
b) Battery charge level display flashes...5868
c) Brake oil pressure display flashes (Check that the brake oil pressure is correct)...5869
d) Air cleaner display flashes (Check that there is no clogging of the air cleaner)...5870
K-6 CAUTION items are flashing but caution buzzer does not sound...5871
K-7 There is no abnormality in monitor display but caution buzzer sounds...5872
K-8 CAUTION items are flashing but warning lamp (CHECK lamp, CAUTION lamp) does not flash...5873
a) CHECK lamp...5873
b) CAUTION lamp...5873
K-9 There is no abnormality in maintenance monitor display but warning lamp (CHECK lamp, CAUTION lamp) lights up...5874
a) CHECK lamp...5874
b) CAUTION lamp...5874
K-10 Night lighting does not light up when lamp switch is turned ON (only lighting of maintenance monitor does not light up)...5875
K-11 Night lighting lights up even when lamp switch is OFF, night lighting stays lighted up...5876
K-12 Service meter does not work...5877
K-13 Service meter is running even when engine is stopped...5877
K-14 Abnormality is gauge items...5879
a) Abnormality is fuel gauge...5879
b) Abnormality in engine water temperature gauge...5880
c) Abnormality in torque converter oil temperature gauge...5881
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)...5882
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE SYSTEM...5883
ELECTRICAL CIRCUIT DIAGRAM FOR ACTIVE POWER UP SYSTEM...5885
E-1 Engine does not start...5887
E-2 Defective preheating...5892
E-3 Parking brake does not have effect...5894
a) Parking brake has no effect when parking brake switch is turned ON...5894
b) Parking brake has no effect and does not work as emergency brake when parking brake pressure drops...5894
E-4 Parking brake is applied when machine is traveling...5895
E-5 Parking brake is released when starting switch is turned ON...5897
E-6 Transmission does not change to neutral when parking brake is applied, but parking brake works normally...5897
E-7 Transmission does not work properly...5900
a) Abnormality in parking brake circuit, transmission cut-off switch circuit or neutralizer relay circuit...5901
b) No continuity in travel FORWARD solenoid circuit...5905
c) No continuity in travel REVERSE solenoid circuit...5907
d) Short circuit to chassis ground in directional solenoid circuit...5909
e) Abnormality in shift solenoid circuit...5915
f) Short circuit to chassis ground in shift solenoid circuit...5918
E-8 Kick-down switch does not work (shift works correctly during normal gear shift operations F1 - F4)...5923
E-9 Kick-down works only when kick-down switch is being turned ON (kick-down switch does not carry out self-hold operation)...5926
E-10 Kick-down always works...5927
E-11 Kick-down switch works even when traveling FORWARD in 2nd...5929
E-12 Boom Kick-out does not work...5931
E-13 Defective bucket positioner...5933
E-14 Power window does not work...5935
a) Window does not go up...5935
b) Window does not go down...5936
E-15 Defective operation of solenoid for power maximizing function...5939
a) Inspection of timer 1 and no-load relay system...5939
b) Inspection of neutral relay 1 and neutral relay 2 (Power supply system)...5941
c) Inspection of solenoid (U11) drive system)...5943
E-16 Abnormality in front working lamp...5948
E-17 Abnormality in rear working lamp...5948
E-18 Abnormality in transmission cut-off...5948
E-19 Abnormality in parking brake dragging warning...5948
E-20 Abnormality in buzzer...5948
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)...5950
METHOD OF USING MATRIX TROUBLESHOOTING TABLES...5951
H-1 Machine does not start...5953
H-2 Machine lacks power or speed when traveling (all speed ranges)...5954
H-3 Time lag is excessive when starting or shifting gear...5955
H-4 Torque converter oil temperature is high...5956
H-5 Steering does not turn...5957
H-6 Steering does not turn (machine with joystick)...5958
H-7 Turning, response of steering is poor...5959
H-8 Turning, response of steering is poor (machine with joystick)...5961
H-9 Steering is heavy...5963
H-10 Steering wheel shakes or jerks...5964
H-11 Steering shakes or there is excessive shock (machine with joystick)...5965
H-12 Turning radius is different between left and right at maximum steering...5965
H-13 Wheel brakes do not work or braking effect is poor...5967
H-14 Wheel brakes are not released or brakes drag...5969
H-15 Parking brake does not work or braking effect is poor...5970
H-16 Parking brake is not released or brake drags...5971
H-17 Neither boom nor bucket move...5972
H-18 Both boom and bucket are slow or lack power...5973
H-19 Boom does not move...5974
H-20 Boom is slow or boom lacks power...5975
H-21 Boom cannot be set to FLOAT or cannot be released from FLOAT...5976
H-22 Boom drops momentarily when control lever is operated from HOLD to RAISE...5976
H-23 Excessive hydraulic drift of boom...5977
H-24 Bucket does not move...5978
H-25 Bucket is slow or lacks power...5979
H-26 Excessive hydraulic drift of bucket...5980
TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (T MODE)...5982
JUDGEMENT TABLE FOR TRANSMISSION CONTROLLER SYSTEM RELATED PARTS...5983
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...5985
ELECTRICAL CIRCUIT DIAGRAM FOR T MODE SYSTEM...5991
T-1 Failure code [10] (Short circuit, disconnection, short circuit with power source in backup lamp relay) is displayed...5993
T-2 Failure code [12] (Short circuit, disconnection, short circuit with power source in F solenoid) is displayed...5994
T-3 Failure code [13] (Short circuit, disconnection, short circuit with power source in R solenoid) is displayed...5995
T-4 Failure code [14] (Short circuit, disconnection, short circuit with power source in 1st solenoid) is displayed...5996
T-5 Failure code [15] (Short circuit, disconnection, short circuit with power source in 2nd solenoid) is displayed...5997
T-6 Failure code [16] (Short circuit, disconnection, short circuit with power source in 3rd solenoid) is displayed...5998
T-7 Failure code [17] (Short circuit, disconnection, short circuit with power source in 4th solenoid) is displayed...5999
T-8 Failure code [19] (Short circuit, disconnection in joystick directional switch system) is displayed...6000
T-9 Failure code [20] (Short circuit, disconnection in directional switch system) is displayed...6001
T-10 Failure code [21] (Short circuit, disconnection in range switch system) is displayed...6005
T-11 Failure code [22] (Disconnection in travelspeed sensor system) is displayed...6008
T-12 Failure code [23] (Short circuit, disconnection in engine speed sensor system) is displayed...6009
T-13 Hold switch system...6010
T-14 Kick-down switch system...6010
T-15 Transmission cut-off signal system...6011
T-16 Neutralizer relay signal system...6012
T-17 Buzzer signal system...6013
T-18 Network system...6014
T-19 Transmission controller power source system...6015
T-20 Short circuit in travel speed sensor system...6016
TROUBLESHOOTING OF AJSS (ADVANCED JOYSTICK STEERING SYSTEM CONTROL SYSTEM) (J MODE)...6018
JUDGEMENT TABLE FOR AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL SYSTEM...6019
OPERATIONS OF CONTROLLER AGAINST ABNORMALITY AND CONDITIONS OF MACHINE CAUSED BY ABNORMALITY...6021
ELECTRIC CIRCUIT DIAGRAM RELATED TO AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL...6025
J-1 Error code [56] (Disconnection or short circuit with chassis ground in caution buzzer relay system) is displayed...6027
J-2 Error code [57] (Disconnection or short circuit with chassis ground in steering lever angle sensor system) is displayed...6028
J-3 Error code [58] (Deviation of steering lever angle sensor and frame sensor signals) is displayed...6029
J-4 Error code [59] (Disconnection or short circuit with chassis ground in frame angle sensor system) is displayed...6030
J-5 Error code [60] (Disconnection or short circuit with chassis ground in steering lever lock pressure switch system) is displayed...6031
J-6 Error code [62] (Disconnection or short circuit with chassis ground in steering neutral interlock relay system) is displayed...6032
J-7 Error code [63] (Disconnection, short circuit with chassis ground, or short circuit with power source in steering main pressure control EPC solenoid system) is displayed...6033
J-8 Steering speeds in both directions are different...6034
J-9 Abnormality in console switch (adjustment of steering lever angle sensor and frame angle sensor is impossible)...6035
J-10 Abnormality in power source and voltage...6036
TROUBLESHOOTING OF ENGINE CONTROL SYSTEM (EA MODE)...6038
METHOD OF ERROR CODE DISPLAY...6040
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ERROR CODE IS DISPLAYED...6043
ELECTRICAL CIRCUIT DIAGRAM FOR ENGINE CONTROL SYSTEM...6051
EA-1 Error code [111] (Abnormality in controller memory)...6053
EA-2 Error code [112] (Abnormality in timing rail actuator)...6053
EA-3 Error code [113] (Abnormality with electric current in timing rail actuator system)...6054
EA-4 Error code [115] (Abnormality in engine speed sensor 2 system)...6055
EA-5 Error code [116] (Abnormality [high level] in timing rail pressure sensor system)...6057
EA-6 Error code [117] (Abnormality [low level] in timing rail pressure sensor system)...6058
EA-7 Error code [118] (Abnormality [high level] in fuel pump pressure sensor system)...6059
EA-8 Error code [119] (Abnormality [low level] in fuel pump pressure sensor system)...6060
EA-9 Error code [121] (Abnormality in engine speed sensor 1 system)...6061
EA-10 Error code [122] (Abnormality [high level] in boost pressure sensor system)...6062
EA-11 Error code [123] (Abnormality [low level] in boost pressure sensor system)...6063
EA-12 Error code [131] (Abnormality [high level] in accelerator sensor system)...6064
EA-13 Error code [132] (Abnormality [low level] in accelerator sensor system)...6065
EA-14 Error code [135] (Abnormality [high level] in oil pressure sensor system)...6066
EA-15 Error code [141] (Abnormality [low level] in oil pressure sensor system)...6067
EA-16 Error code [143] (Abnormal drop in oil pressure (level 1))...6068
EA-17 Error code [144] (Abnormality [high level] in water temperature sensor system)...6069
EA-18 Error code [145] (Abnormality [low level] in water temperature sensor system)...6070
EA-19 Error code [151] (Abnormal rise in water temperature)...6070
EA-20 Error code [153] (Abnormality [high level] in intake air temperature sensor system)...6071
EA-21 Error code [154] (Abnormality [low level] in intake air temperature sensor system)...6071
EA-22 Error code [221] (Abnormality [high level] in atmospheric pressure sensor system)...6072
EA-23 Error code [222] (Abnormality [low level] in atmospheric pressure sensor system)...6073
EA-24 Error code [234] (Overspeed)...6075
EA-25 Error code [254] (Abnormality in fuel shut-off valve system voltage)...6076
EA-26 Error code [259] (Abnormality in fuel shut-off valve)...6077
EA-27 Error code [261] (Abnormal rise in fuel temperature)...6077
EA-28 Error code [263] (Abnormality [high level] in fuel temperature sensor system)...6078
EA-29 Error code [265] (Abnormality [low level] in fuel temperature sensor system)...6078
EA-30 Error code [316] (Abnormality in fuel pump actuator system current)...6079
EA-31 Error code [318] (Abnormality in fuel pump actuator)...6080
EA-32 Error code [343] (Abnormality in controller internal communication)...6080
EA-33 Error code [346] (Abnormality in controller power down)...6081
EA-34 Error code [384] (Abnormality in preheating heater control system)...6082
EA-35 Error code [415] (Abnormal drop in oil pressure (level 2))...6083
EA-36 Error code [423] (Abnormality [in range] in timing rail pressure sensor system)...6083
EA-37 Error code [431] (Abnormality [1] in idling validation switch system)...6085
EA-38 Error code [432] (Idling validation process error)...6087
EA-39 Error code [441] (Abnormality [low level] in battery voltage)...6089
EA-40 Error code [442] (Abnormality [high level] in battery voltage)...6089
EA-41 Error code [451] (Abnormality [high level] in fuel rail pressure sensor system)...6090
EA-42 Error code [452] (Abnormality [low level] in fuel rail pressure sensor system)...6091
EA-43 Error code [455] (Abnormality in fuel rail actuator system current)...6092
EA-44 Error code [467] (Abnormality in timing rail actuator control)...6093
EA-45 Error code [468] (Abnormality in fuel rail actuator control)...6093
EA-46 Error code [514] (Abnormality in fuel rail actuator)...6093
EA-47 Error code [527] (Abnormality in dual output solenoid A system)...6094
EA-48 Error code [551] (Abnormality [2] in idling validation switch system)...6094
EA-49 Error code [554] (Abnormality [in range] in fuel rail pressure sensor)...6095
TROUBLESHOOTING OF VHMS CONTROLLER SYSTEM (VHMS MODE)...6097
ELECTRICAL SYSTEM DIAGRAM RELATED TO VHMS CONTROLLER...6100
INFORMATION GIVEN IN TROUBLESHOOTING CHART...6102
PHENOMENON TYPE CODE LIST...6103
[DBB0KK] (OR VHMS_LED INDICATES [N901]) ABNORMALITY IN SOURCE VOLTAGE...6104
[DBB5KP] (OR VHMS_LED INDICATES [N904]) ABNORMALITY IN SENSOR POWER SOURCE (5V) SYSTEM...6106
[DBB6KP] (OR VHMS_LED INDICATES [N902]) ABNORMALITY IN SENSOR POWER SOURCE (24V) SYSTEM...6108
[DBBRKR] (OR VHMS_LED DISPLAYS [N801]) DEFECTIVE CAN COMMUNICATIONS: DEFECTIVE COMMUNICATIONS (KR) (BETWEEN ENGINE CONTROLLER AND VHMS CONTROLLER)...6110
[DGE1KB] (OR VHMS_LED DISPLAYS [N242]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN ENGINE OIL TEMPERATURE SENSOR SYSTEM (KB) {30 MIN. (AT 500 RPM OR ABOVE) AFTER STARTING ENGINE)...6112
[DGE1KY] (OR VHMS_LED DISPLAYS [N242]) SHORT CIRCUIT WITH POWER SOURCE (HOT SHORT) IN ENGINE OIL TEMPERATURE SENSOR SYSTEM (KY)...6113
[DGE5KX] (OR VHMS_LED DISPLAYS [N401]) FAILURE IN AMBIENT TEMPERATURE SENSOR SYSTEM: INPUT SIGNAL OUTSIDE RANGE (KX)...6114
[DGT4KA] (OR VHMS_LED DISPLAYS [N312]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN NO. 1, 2 , 3 (FRONT) EXHAUST TEMPERATURE SENSOR SYSTEM (KA)...6116
[DGT4KB] (OR VHMS_LED DISPLAYS [N311]) SHORT CIRCUIT WITH POWER SOURCE (HOT SHORT) IN NO. 1, 2, 3 (REAR) EXHAUST TEMPERATURE SENSOR SYSTEM (KB)...6118
[DGT5KA] (OR VHMS_LED DISPLAYS [N322]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN NO. 4, 5, 6 (FRONT) EXHAUST TEMPERATURE SENSOR SYSTEM (KA) ...6120
[DGT5KB] (OR VHMS_LED DISPLAYS [N321]) SHORT CIRCUIT WITH POWER SOURCE (HOT SHORT) IN NO. 4, 5, 6 (FRONT) EXHAUST TEMPERATURE SENSOR SYSTEM (KB)...6122
[DHE5KB] (OR VHMS_LED DISPLAYS [N332]) DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND IN ENGINE BLOW-BY PRESSURE SENSOR SYSTEM (KA)...6124
[DHE5KY] (OR VHMS_LED DISPLAYS [N331]) SHORT CIRCUIT WIRTH POWER SOURCE (HOT SHORT) IN ENGINE BLOW-BY PRESSURE SENSOR SYSTEM (KY)...6126
[DHT3KX] (OR VHMS_LED DISPLAYS [N614]) TROUBLE IN TRANSMISSION OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SIGNAL RANGE (KX)...6128
[DHP2KX] (OR VHMS_LED DISPLAYS [N531]) TROUBLE IN MAIN PUMP OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SIGNAL RANGE (KX)...6130
[DHT8KX] (OR VHMS_LED DISPLAYS [N533]) TROUBLE IN STEERING OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SIIGNAL RANGE (KX)...6132
[DGH2KX] (OR VHMS_LED DISPLAYS [N537]) TROUBLE IN HYDRAULIC OIL TEMPERATURE SENSOR SYSTEM: OUT OF INPUT SIGNAL RANGE (KX)...6134
[DHU2KX] (OR VHMS_LED DISPLAYS [N711]) TROUBLE IN FRONT BRAKE OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SIGNAL RANGE (KX)...6136
[DHU3KX] (OR VHMS_LED DISPLAYS [N712]) TROUBLE IN REAR BRAKE OIL PRESSURE SENSOR SYSTEM: OUT OF INPUT SIGNAL RANGE (KX)...6138
[DGR4KX] OR VHMS_LED DISPLAYS [N717]) TROUBLE IN FRONT BRAKE OIL TEMPERATURE SENSOR SYSTEM: OUT OF INPUT SIGNAL RANGE (KX)...6140
[F@BBZL] (OR VHMS_LED DISPLAYS [N338]) ENGINE BLOW-BY PRESSURE IS HIGH: (ZL) ...6141
[F@BYNR] (OR VHMS_LED DISPLAYS [N362]) NO. 1, 2, 3 (REAR) EXHAUST TEMPERATURE IS HIGH (2): (NR)...6142
[F@BYNS] (OR VHMS_LED DISPLAYS [N361]) NO. 1, 2, 3 (REAR) EXHAUST TEMPERATURE IS HIGH (1): (NS)...6143
[F@BZNR] (OR VHMS_LED DISPLAYS {N372]) NO. 4, 5, 6 (FRONT) EXHAUST TEMPERATURE IS HIGH (2): (NR)...6144
[F@BZNS] (OR VHMS_LED DISPLAYS [N371]) NO. 4, 5, 6 (FRONT) EXHAUST TEMPERATURE IS HIGH (1): (NS)...6145
VHMS-1 ABNORMALITY IN SATELLITE DATA COMMUNICATION...6146
A SATELLITE COMMUNICATION DATA ARE NOT TRANSMITTED...6146
B ABNORMALITY IN DOWNLOADING INTO PC OR SETTING PC...6150
VHMS-2 ABNORMALITY IN SAVING DATA IN VHMS CONTROLLER (DATA ARE NOT SAVED)...6152
VHMS-3 ENGINE BLOW-BY PRESSURE INDICATED BY MONITOR IS LOW (WHEN BLOW-BY PRESSURE MEASURED WITH MEASURING INSTRTUMENT IS NORMAL)...6154
40 MAINTENANCE STANDARD...6155
ENGINE AND TRANSMISSION MOUNT...6157
DAMPER...6158
TORQUE CONVERTER AND PTO...6160
TORQUE CONVERTER REGULATOR VALVE...6161
TRANSMISSION...6162
TRANSMISSION CONTROL VALVE...6166
TRANSFER...6172
DRIVE SHAFT...6174
CENTER SUPPORT...6175
DIFFERENTIAL...6176
FINAL DRIVE...6178
AXLE MOUNT...6180
CENTER HINGE PIN...6182
STEERING DEMAND VALVE...6184
DIVERTER VALVE...6186
STEERING CYLINDER MOUNT...6187
EMERGENCY STEERING PUMP...6188
BRAKE VALVE...6189
SLACK ADJUSTER...6191
BRAKE...6192
PARKING BRAKE...6194
CONTROL PUMP...6195
STEERING AND SWITCH PUMP...6196
MAIN PISTON PUMP...6197
MAIN CONTROL VALVE...6198
PPC VALVE...6200
PPC RELIEF VALVE...6202
HYDRAULIC CYLINDER...6203
WORK EQUIPMENT LINKAGE...6204
BUCKET...6206
BUCKET POSITIONER AND BOOM KICK-OUT...6207
90 OTHERS...6209
ELECTRIC CIRCUIT DIAGRAM (1/7)...6210
ELECTRIC CIRCUIT DIAGRAM (2/7)...6211
ELECTRIC CIRCUIT DIAGRAM (3/7)...6212
ELECTRIC CIRCUIT DIAGRAM (4/7)...6213
ELECTRIC CIRCUIT DIAGRAM (5/7)...6214
ELECTRIC CIRCUIT DIAGRAM (6/7)...6215
ELECTRIC CIRCUIT DIAGRAM (7/7)...6216
SEBM04270104 - Wheel Loader WA700-1 Shop Manual...6218
COVER...6218
CONTENTS...6219
10 STRUCTURE AND FUNCTION...6243
GENERAL...6245
ENGINE SPEED CONTROL...6247
SERVO CYLINDER...6249
RADIATOR AND COOLER...6252
DAMPER...6253
HYDRAULIC CIRCUIT FOR POWER TRAIN...6254
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN...6255
TORQUE CONVERTER AND TRANSMISSION PIPING...6256
TORQUE CONVERTER AND PTO...6257
TORQUE CONVERTER OIL COOLER...6260
TORQUE CONVERTER REGULATOR VALVE...6261
TRANSMISSION...6262
TRANSMISSION CONTROL VALVE...6267
TRANSMISSION SOLENOID VALVE...6270
TORQUE CONVERTER RELIEF VALVE...6278
LUBRICATION BYPASS VALVE...6279
TRANSMISSION SOLENOID VALVE...6280
EMERGENCY MANUAL SPOOL...6281
TRANSMISSION OIL FILTER...6282
PILOT OIL FILTER...6283
TRANSFER...6284
DRIVE SHAFT...6285
CENTER SUPPORT...6286
AXLE...6287
DIFFERENTIAL...6289
FINAL DRIVE...6292
AXLE MOUNT...6293
TIRE AND WHEEL...6295
CENTER HINGE PIN...6296
FLOOR SUPPORT...6297
STEERING PIPING DIAGRAM...6298
STEERING CIRCUIT DIAGRAM...6299
STEERING COLUMN AND LINKAGE...6300
STEERING GEAR BOX...6301
STEERING AND SWITCH PUMP...6302
STEERING VALVE...6304
ROTARY SEAL...6306
SLOW RETURN VALVE...6314
DIVERTER VALVE...6315
EMERGENCY STEERING RELIEF VALVE...6316
STEERING DEMAND VALVE (MACHINE WITH JOYSTICK STEERING)...6319
STEERING UNIT (ORBIT-ROLL VALVE) (MACHINE WITH JOYSTICK STEERING)...6330
BRAKE AND AIR PIPING...6333
BRAKE AND AIR CIRCUIT DIAGRAM...6335
AIR GOVERNOR...6336
AIR TANK...6340
BRAKE VALVE...6341
RELAY VALVE...6345
DOUBLE CHECK VALVE...6346
BRAKE CHAMBER...6347
SLACK ADJUSTER...6349
CHECK VALVE...6352
HYDRAULIC TANK PRESSURIZING VALVE...6353
PARKING BRAKE SOLENOID VALVE...6354
SPRING CYLINDER...6355
BRAKE...6356
PARKING BRAKE...6357
HYDRAULIC PIPING...6359
HYDRAULIC CIRCUIT SYSTEM...6361
HYDRAULIC CIRCUIT DIAGRAM...6362
HYDRAULIC CIRCUIT DIAGRAM (MACHINE WITH JOYSTICK STEERING)...6363
WORK EQUIPMENT LEVER LINKAGE...6364
HYDRAULIC TANK...6365
ACCUMULATOR...6367
MAIN PUMP...6368
PPC VALVE...6380
PRESSURE DIFFERENTIAL VALVE...6385
MAIN CONTROL VALVE...6386
HYDRAULIC LEVER OPERATION...6393
LUBRICATION OF WORK EQUIPMENT...6399
BUCKET LINKAGE...6401
BUCKET POSITIONER AND BOOM KICK-OUT...6403
CAB...6405
AIR CONDITIONER...6406
ELECTRICAL WIRING DIAGRAM CIRCUIT...6411
ELECTRICAL WIRING DIAGRAM CIRCUIT (MACHINE WITH JOYSTICK STEERING)...6413
ELECTRICAL VEHICLE MONITORING SYSTEM (EVMS)...6414
SENSORS...6420
ENGINE STARTING CIRCUIT...6427
ENGINE STOP CIRCUIT...6428
AUTO PRIMING SYSTEM (APS)...6429
COMBINATION SWITCH...6434
ELECTRICAL TRANSMISSION CONTROL...6435
ELECTRICAL PARKING BRAKE CONTROL...6439
ELECTRICAL PARKING BRAKE...6440
KICK-DOWN SWITCH...6448
20 TESTING AND ADJUSTING...6454
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS...6456
STANDARD VALUE TABLE FOR CHASSIS...6457
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM...6460
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING (ENGINE)...6463
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING (CHASSIS)...6464
ADJUSTING VALVE CLEARANCE...6465
MEASURING COMPRESSION PRESSURE...6466
MEASURING BLOW-BY PRESSURE...6467
MEASURING ENGINE OIL PRESSURE AND TEMPERATURE...6468
TESTING AND ADJUSTING FUEL INJECTION TIMING...6469
MEASURING EXHAUST GAS COLOR...6470
TESTING AND ADJUSTING ALTERNATOR DRIVE BELT TENSION...6471
ADJUSTING AUTO TENSIONER...6472
MEASURING ACCELERATOR PEDAL OPERATING FORCE AND OPERATING ANGLE...6473
MEASURING SHIFT LEVER...6477
MEASURING STALL SPEED...6478
MEASURING HYDRAULIC PRESSURE (TORQUE CONVERTER, TRANSMISSION PRESSURE)...6480
METHOD OF OPERATION OF EMERGENCY MANUAL SPOOL...6482
MEASURING WHEEL LOCK RING CLEARANCE...6483
MEASURING STEERING WHEEL PLAY...6484
MEASURING OPERATING FORCE AND OPERATING TIME OF STEERING WHEEL...6485
TESTING AND ADJUSTING STEERING LINKAGE...6486
MEASURING STEERING OIL PRESSURE...6488
MEASURING EMERGENCY STEERING PRESSURE...6489
ADJUSTING JOYSTICK STEERING...6491
MEASURING BRAKE PEDAL...6494
MEASURING AIR PRESSURE...6495
TESTING BRAKE PERFORMANCE...6498
CHECKING BRAKE PISTON LEAKAGE...6499
MEASURING WEAR OF BRAKE DISC...6500
AIR BLEEDING FROM BRAKE LINE ...6501
TESTING PARKING BRAKE PERFORMANCE...6502
CHECKING AND ADJUSTING PARKING BRAKE...6503
MEASURING DUMP AND LIFT CONTROL LEVERS...6505
MEASURING HYDRAULIC PRESSURE OF WORK EQUIPMENT...6507
AIR BLEEDING FROM PISTON PUMP...6510
MEASURING WORK EQUIPMENT...6511
MEASURING HYDRAULIC DRIFT OF WORK EQUIPMENT...6512
ADJUSTING BUCKET POSITIONER...6513
ADJUSTING BOOM KICK-OUT...6514
ADJUSTING MACHINE MONITOR (SPEEDOMETER MODULE)...6515
CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR...6516
TROUBLESHOOTING...6517
ELECTRICAL CIRCUIT FOR ENGINE, TRANSMISSION AND PARKING BRAKE...6518
ELECTRICAL CIRCUIT SYSTEM...6522
VEHICLE MONITOR SYSTEM...6523
LOCATION OF CONNECTORS...6524
CONNECTOR TERMINAL NUMBERS...6525
POINTS TO REMEMBER WHEN TROUBLESHOOTING...6529
SEQUENCE OF EVENTS IN TROUBLESHOOTING...6530
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE...6531
HANDLING CONNECTORS...6538
CHECK BEFORE TROUBLESHOOTING...6539
JUDGEMENT OF POWER TRAIN...6540
METHOD OF USING TROUBLESHOOTING CHARTS AND TABLES...6542
TROUBLESHOOTING CHART FOR ELECTRIC SYSTEM (ENGINE, TRANSMISSION, PARKING BRAKE)...6546
CONNECTOR TYPE AND POSITION OF DEVICE...6547
TROUBLESHOOTING CHART...6554
E-1. ENGINE DOES NOT START...6554
a) INSPECTION OF STARTING CIRCUIT...6554
b) INSPECTION OF BATTERY - BATTERY RELAY - STARTING SWITCH...6554
c) INSPECTION OF STARTING SWITCH - ENGINE STOP MOTOR...6555
E-2. ENGINE DOES NOT STOP...6557
E-3. ENGINE STOPS WHEN TRAVELING...6557
E-4. PARKING BRAKE DOES NOT WORK...6558
a) IF PARKING BRAKE DOES NOT WORK WHEN PARKING SWITCH IS ON (APPLIED)...6558
b) IF PARKING BRAKE DOES NOT WORK THEN AIR PRESSURE HAS DROPPED. (DOES NOT WORK AS EMERGENCY BRAKE)...6558
E-5. PARKING BRAKE IS NOT RELEASED...6559
E-6. PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED ON...6561
E-7. WHEN PARKING BRAKE IS APPLIED, TRANSMISSION DOES NOT ENTER NEUTRAL. (PARKING BRAKE IS WORKING NORMALLY.)...6561
E-8. TRANSMISSION DOES NOT WORK NORMALLY...6562
a) PROBLEM IN PARKING BRAKE, TRANSMISSION CUT-OFF SWITCH, NEUTRAL RELAY CIRCUIT...6563
b) DEFECTIVE CONTINUITY IN FORWARD SOLENOID CIRCUIT...6565
c) DEFECTIVE CONTINUITY IN REVERSE SOLENOID CIRCUIT...6567
d) CONTACT IN F-R CIRCUIT...6569
e) PROBLEM IN SPEED SOLENOID CIRCUIT...6573
f) CONTACT IN SPEED CIRCUIT...6576
E-9. KICK-DOWN SWITCH DOES NOT WORK (NORMAL F-1 - F-4 SWITCHES CORRECTLY)...6582
E-10. KICK-DOWN ONLY WORKS WHEN KICK-DOWN SWITCH IS ON (KICK-DOWN SWITCH RELAY DOES NOT CARRY OUT SELF-HOLD OPERATION)...6585
E-11. KICK-DOWN OPERATION IS NOT CANCELED...6586
E-12. KICK-DOWN WORKS BY MISTAKE WHEN TRAVELING IN F2...6588
E-13. MACHINE DOES NOT TRAVEL WHEN KICK-DOWN SWITCH IS PRESSED...6588
E-14. PREHEATING IS NOT CARRIED OUT...6590
a) PREHEATING IS NOT CARRIED OUT AUTOMATICALLY...6591
b) PREHEATING IS NOT CARRIED OUT NORMALLY OR AUTOMATICALLY...6592
E-15. PREHEATING STAYS ON...6594
a) AUTOMATIC PREHEATING IS NOT CANCELED...6594
b) PREHEATING CONTINUES EVEN WHEN HEATER SWITCH IS TURNED OFF...6595
TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM...6597
CONNECTOR TYPE AND POSITION OF DEVICE...6599
M-1. (BRAKE OIL LEVEL) FLASHES WHEN ENGINE IS STOPPED...6609
M-2. (ENGINE OIL LEVEL) FLASHES WHEN ENGINE IS STOPPED...6609
M-3. (RADIATOR WATER LEVEL) FLASHES WHEN ENGINE IS STOPPED...6611
M-4. (BATTERY CHARGE) FLASHES WHEN ENGINE IS RUNNING...6611
M-5. (TRANSMISSION OIL FILTER CLOGGING) FLASHES WHEN ENGINE IS RUNNING...6613
M-6. (FUEL LEVEL) FLASHES WHEN ENGINE IS RUNNING...6614
M-7. (BRAKE LINE FAILURE) FLASHES WHEN ENGINE IS RUNNING...6614
M-8. (ENGINE OIL PRESSURE) FLASHES WHEN ENGINE IS RUNNING...6616
M-9. (RADIATOR WATER LEVEL) FLASHES WHEN ENGINE IS RUNNING...6616
M-10. (DROP IN AIR PRESSURE) FLASHES WHEN ENGINE IS RUNNING...6618
M-11. (ENGINE WATER TEMPERATURE) FLASHES WHEN ENGINE IS RUNNING...6618
M-12. (TORQUE CONVERTER OIL TEMPERATURE) FLASHES WHEN ENGINE IS RUNNING...6618
M-13. (PARKING BRAKE) LIGHTS UP ABNORMALLY , OR DOES NOT LIGHT UP...6620
a) IF PARKING BRAKE STAYS LIGHTED UP...6620
b) IF PARKING BRAKE DOES NOT LIGHT UP...6620
M-14. (WORKING LAMP) LIGHTS UP...6622
a) IF WORKING LAMP STAYS LIGHTED UP...6622
b) IF WORKING LAMP DOES NOT LIGHT UP...6622
M-15. (PREHEATING) LIGHTS UP, OR DOES NOT LIGHT UP...6624
a) PREHEATING LIGHTS UP...6624
b) PREHEATING DOES NOT LIGHT UP...6624
M-16. (MAIN STEERING FAILURE) LIGHTS UP OR DOES NOT LIGHT UP...6625
a) MAIN STEERING FAILURE LIGHTS UP...6625
b) MAIN STEERING FAILURE DOES NOT LIGHT UP...6625
M-17. (TRANSMISSION CUT-OFF) LIGHTS UP , OR DOES NOT LIGHT UP...6627
a) TRANSMISSION CUT-OFF LIGHTS UP...6627
b) TRANSMISSION CUT-OFF DOES NOT LIGHT UP...6627
M-18. TURN SIGNAL AND HI BEAM LIGHT UP, OR DO NOT LIGHT UP...6629
a) TURN SIGNAL (RIGHT) PILOT DISPLAY LIGHTS UP...6629
b) TURN SIGNAL (LEFT) PILOT DISPLAY LIGHTS UP...6630
c) TURN SIGNAL (RIGHT) PILOT DISPLAY DOES NOT LIGHT UP...6631
d) TURN SIGNAL (LEFT) PILOT DISPLAY DOES NOT LIGHT UP...6631
e) HI BEAM PILOT DOES NOT LIGHT UP...6632
f) HI BEAM PILOT STAYS LIGHTED UP...6632
M-19. TURN SIGNAL DOES NOT FLASH EVEN WHEN HAZARD SWITCH IS TURNED ON...6634
M-20. SPEEDOMETER DISPLAY DOES NOT WORK NORMALLY...6635
M-21. HOURMETER DOES NOT WORK NORMALLY...6636
M-22. WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DOES NOT WORK, OR ONLY PART LIGHTS UP...6637
a) NONE OF MONITOR PANEL LIGHTS UP...6637
b) EXCEPT FOR SPEEDOMETER MODULE, NONE OF MONITOR PANEL LIGHTS UP...6637
c) NONE OF CAUTION ITEMS LIGHT UP...6638
d) SOME OTHER PARTS DO NOT LIGHT UP...6638
M-23. WHEN STARTING SWITCH IS TURNED ON, ALL MONITOR PANEL LIGHTS UP, BUT DOES NOT GO OUT...6638
M-24. (ENGINE OIL PRESSURE) FLASHES OR (BATTERY CHARGE) FLASHES WHEN ENGINE IS STOPPED...6639
a) (ENGINE OIL PRESSURE) FLASHES, AND ALARM BUZZER AND WARNING LAMP ARE ACTUATED...6639
b) (BATTERY CHARGE) FLASHES, AND WARNING LAMP LIGHTS UP...6639
M-25. NONE OF MACHINE MONITOR PANEL LIGHTING LIGHTS UP, OR PART DOES NOT LIGHT UP...6641
a) EVEN WHEN COMBINATION LAMP IS PLACED AT SMALL, NONE OF PANEL LIGHTING LIGHTS UP...6641
b) EVEN WHEN WORKING LAMP SWITCHED ON, NONE OF MONITOR PANEL LIGHTS UP ...6642
c) EVEN WHEN STARTING SWITCH IS TURNED ON, NONE OF MONITOR PANEL LIGHTS UP...6644
d) PART OF PANEL DOES NOT LIGHT UP...6644
M-26. WHEN STARTING SWITCH IS TURNED TO ON POSITION (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SEC. CAUTION ITEM IS FLASHING BUT BUZZER DOES NOT SOUND...6646
M-27. NO ABNORMALITY IS SHOWN ON MONITOR DISPLAY, BUT ALARM BUZZER SOUNDS...6646
M-28. WHEN STARTING SWITCH IS TURNED TO ON POSITION (ENGINE STOPPED), WARNING LAMP DOES NOT LIGHT UP FOR 2 SEC. CAUTION ITEM IS FLASHING BUT WARNING LAMP DOES NOT FLASH...6648
M-29. NO ABNORMALITY IS SHOWN ON MONITOR DISPLAY, BUT WARNING LAMP LIGHTS UP...6649
M-30. ABNORMALITY IN FUEL GAUGE...6650
a) IF NOTHING IS DISPLAYED IN DISPLAY AREA...6650
b) IF INDICATOR REMAINS AT FULL...6650
M-31. ABNORMALITY IN AIR PRESSURE GAUGE...6652
a) IF NOTHING IS DISPLAYED IN DISPLAY AREA...6652
b) IF INDICATOR REMAINS AT MAXIMUM LEVEL...6652
M-32. ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE...6654
a) IF NOTHING IS DISPLAYED IN DISPLAY AREA...6654
b) IF INDICATOR REMAINS AT MINIMUM LEVEL...6654
M-33. ABNORMALITY IN TORQUE CONVERTER OIL TEMPERATURE...6656
a) IF NOTHING IS DISPLAYED IN DISPLAY AREA...6656
b) IF INDICATOR REMAINS AT MINIMUM LEVEL...6656
TROUBLESHOOTING CHART FOR POWER TRAIN ,STEERING , AIR AND BRAKE , WORK EQUIPMENT (MECHANICAL SYSTEM)...6658
POWER TRAIN...6659
1. MACHINE DOES NOT MOVE...6659
2. MACHINE LACKS POWER OR SPEED...6661
3. EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR...6662
4. TORQUE CONVERTER AIR TEMPERATURE TOO HIGH...6663
STEERING SYSTEM...6664
1. STEERING WHEEL DOES NOT TURN...6664
2. STEERING WHEEL IS SLUGGISH...6665
3. STEERING WHEEL MOVES UNSTEADILY OR IS SUBJECTED TO LARGE SHOCK...6666
4. MACHINE TENDS TO TURN NATURALLY IN ONE PARTICULAR DIRECTION WHEN TRAVELING...6666
5. LEFT AND RIGHT TURNING RADII ARE DIFFERENT...6666
AIR AND BRAKE SYSTEM...6667
1. AIR PRESSURE DOES NOT RISE AT ALL...6667
2. AIR PRESSURE DOES NOT RISE TO THE SPECIFIED RANGE...6668
3. BRAKE IS INEFFECTIVE OR NOT VERY EFFECTIVE...6669
4. BRAKE DOES NOT RELEASE, OR DRAGS...6670
5. PARKING BRAKE DOES NOT RELEASE, OR DRAGS...6671
WORK EQUIPMENT...6672
1. LIFT ARM DOES NOT RISE...6672
2. LIFT ARM MOVES SLOWLY OR DOES NOT HAVE SUFFICIENT LIFTING POWER...6673
3. LIFT ARM MOVEMENT BECOMES SLOW AFTER IT REACHES A CERTAIN HEIGHT...6674
4. BUCKET CANNOT BE HELD DOWN WITH LIFT ARM CYLINDER...6674
5. LIFT ARM HAS LARGE HYDRAULIC DRIFT...6674
6. LIFT ARM MOVEMENT IS UNSTEADY DURING WORK...6674
7. LIFT ARM LOWERS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM "HOLD" TO "RAISE" ...6674
8. BUCKET DOES NOT TILT BACK...6675
9. BUCKET MOVES SLOWLY OR HAS INSUFFICIENT TILT BACK POWER...6676
10. BUCKET MOVEMENT BECOMES SLOW DURING TILT BACK...6677
11. BUCKET CANNOT BE HELD DOWN BY THE BUCKET CYLINDER...6677
12. BUCKET HAS LARGE HYDRAULIC DRIFT...6677
13. BUCKET MOVES UNSTEADILY WHEN MACHINE TRAVELS UNDER LOAD (MAIN CONTROL VALVE IN "HOLD")...6677
14. BUCKET DUMPS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM "HOLD" TO "TILT BACK"...6677
15. CONTROL LEVERS OF LIFT ARM AND DUMP MOVE STIFFLY AND SLUGGISHLY...6678
TROUBLESHOOTING OF JOYSTICK STEERING CONTROLLER SYSTEM (J MODE)...6679
1. FUNCTION...6681
2. TROUBLESHOOTING...6681
3. TABLE OF FAILURE CODES...6681
4. TABLE OF FAILURE MODES AND CAUSES ...6682
J-1 FAILURE CODE [12] ABNORMALITY IN TRANSMISSION F RELAY SYSTEM...6683
J-2 FAILURE CODE [13] ABNORMALITY IN TRANSMISSION R RELAY SYSTEM...6684
J-3 FAILURE CODE [18] ABNORMALITY IN TRANSMISSION N RELAY SYSTEM...6685
J-4 FAILURE CODE [19] ABNORMALITY IN CAUTION LAMP SYSTEM...6686
J-5 FAILURE CODE [25] ABNORMALITY IN JOYSTICK STEERING F, N, R SIGNAL SYSTEM...6687
J-6 FAILURE CODE [30] DISCONNECTION IN STEERING R. H. STEERING SOLENOID...6688
J-7 FAILURE CODE [31] SHORT CIRCUIT IN STEERING R. H. STEERING SOLENOID...6689
J-8 FAILURE CODE [32] DISCONNECTION IN STEERING L. H. STEERING SOLENOID...6690
J-9 FAILURE CODE [33] SHORT CIRCUIT IN STEERING L. H. STEERING SOLENOID...6691
J-10 FAILURE CODE [34] ABNORMALITY IN STEERING SOLENOID CUT RELAY SYSTEM...6692
J-11 FAILURE CODE [36] ABNORMALITY IN JOYSTICK STEERING NEUTRAL SIGNAL SYSTEM...6693
J-12 FAILURE CODE [37] ABNORMALITY IN JOYSTICK STEERING LEVER POTENTIOMETER ...6694
J-13 FAILURE CODE [38] ABNORMALITY IN MODEL SELECTION WIRING HARNESS...6695
J-14 FAILURE CODE [39] ABNORMALITY IN POWER SOURCE VOLTAGE...6696
J-15 ABNORMALITY IN JOYSTICK STEERING ON-OFF SIGNAL SYSTEM...6697
J-16 ABNORMALITY IN TRANSMISSION F SOLENOID SYSTEM...6698
J-17 ABNORMALITY IN TRANSMISSION R SOLENOID SYSTEM...6699
J-18 ABNORMALITY IN TRANSMISSION N SOLENOID SYSTEM...6700
J-19 DISCONNECTION IN JOYSTICK STEERING F SWITCH SYSTEM...6701
J-20 DISCONNECTION IN JOYSTICK STEERING R SWITCH SYSTEM...6702
J-21 DISCONNECTION IN JOYSTICK STEERING N SWITCH SYSTEM...6703
30 DISASSEMBLY AND ASSEMBLY...6704
STARTING MOTOR...6707
REMOVAL AND INSTALLATION...6707
ALTERNATOR...6708
REMOVAL AND INSTALLATION...6708
AFTERCOOLER CORE...6709
REMOVAL AND INSTALLATION...6709
FUEL INJECTION PUMP...6710
REMOVAL AND INSTALLATION...6710
TURBOCHARGER (TOP)...6711
REMOVAL AND INSTALLATION...6711
TURBOCHARGER (BOTTOM)...6712
REMOVAL AND INSTALLATION...6712
NOZZLE HOLDER...6713
REMOVAL AND INSTALLATION...6713
OIL COOLER...6714
REMOVAL AND INSTALLATION...6714
THERMOSTAT...6715
REMOVAL AND INSTALLATION...6715
WATER PUMP...6716
REMOVAL AND INSTALLATION...6716
CYLINDER HEAD...6717
REMOVAL...6717
INSTALLATION...6719
AIR COMPRESSOR...6723
REMOVAL AND INSTALLATION...6723
RADIATOR...6724
REMOVAL...6724
INSTALLATION...6727
ENGINE...6730
REMOVAL...6730
INSTALLATION...6737
DAMPER...6746
REMOVAL...6746
INSTALLATION...6750
DISASSEMBLY...6755
ASSEMBLY...6757
TORQUE CONVERTER CHARGING AND PPC PUMP...6761
REMOVAL...6761
INSTALLATION...6763
TORQUE CONVERTER, PTO, TRANSMISSION...6765
REMOVAL...6765
INSTALLATION...6775
TORQUE CONVERTER...6786
DISASSEMBLY...6786
ASSEMBLY...6790
PTO...6795
DISASSEMBLY...6795
ASSEMBLY...6797
TRANSMISSION...6800
DISASSEMBLY...6800
ASSEMBLY...6812
TRANSFER...6826
DISASSEMBLY...6826
ASSEMBLY...6833
TRANSMISSION VALVE...6843
REMOVAL ...6843
INSTALLATION...6844
DISASSEMBLY AND ASSEMBLY...6845
CENTER SUPPORT...6850
REMOVAL...6850
INSTALLATION...6851
DISASSEMBLY...6853
ASSEMBLY...6855
DRIVE SHAFT...6858
DISASSEMBLY...6858
ASSEMBLY...6860
FRONT AXLE...6861
REMOVAL...6861
INSTALLATION...6863
REAR AXLE ...6865
REMOVAL...6865
INSTALLATION...6870
DIFFERENTIAL...6875
REMOVAL...6875
INSTALLATION...6878
DISASSEMBLY...6880
ASSEMBLY...6884
FINAL DRIVE...6893
DISASSEMBLY...6893
ASSEMBLY...6897
STEERING GEAR...6901
REMOVAL...6901
INSTALLATION...6902
DISASSEMBLY...6903
ASSEMBLY...6904
STEERING, SWITCH PUMP...6907
REMOVAL...6907
INSTALLATION...6908
STEERING VALVE...6909
REMOVAL...6909
INSTALLATION...6911
DISASSEMBLY AND ASSEMBLY...6913
DIVERTER VALVE...6915
DISASSEMBLY AND ASSEMBLY...6915
STEERING CYLINDER...6917
REMOVAL...6917
INSTALLATION...6919
BRAKE VALVE...6922
REMOVAL...6922
INSTALLATION...6924
DISASSEMBLY...6926
ASSEMBLY...6928
BRAKE CHAMBER...6930
REMOVAL...6930
INSTALLATION...6931
DISASSEMBLY...6932
ASSEMBLY...6935
AIR GOVERNOR (SERIAL NO. 10062 AND UP)...6938
DISASSEMBLY...6938
ASSEMBLY...6939
SLACK ADJUSTER...6940
REMOVAL...6940
INSTALLATION...6941
DISASSEMBLY...6942
ASSEMBLY...6943
BRAKE...6944
REMOVAL...6944
INSTALLATION...6946
DISASSEMBLY...6948
ASSEMBLY...6952
SPRING CYLINDER...6958
REMOVAL...6958
INSTALLATION...6959
DISASSEMBLY...6960
ASSEMBLY...6961
PARKING BRAKE...6962
REMOVAL...6962
INSTALLATION...6963
DISASSEMBLY AND ASSEMBLY...6964
PARKING BRAKE PAD...6965
REMOVAL AND INSTALLATION...6965
HYDRAULIC TANK...6966
REMOVAL...6966
INSTALLATION...6968
HYDRAULIC PUMP...6970
REMOVAL...6970
INSTALLATION...6971
PISTON PUMP...6972
DISASSEMBLY...6972
ASSEMBLY...6979
PPC VALVE...6993
REMOVAL...6993
INSTALLATION...6994
DISASSEMBLY AND ASSEMBLY...6995
MAIN CONTROL VALVE...6996
REMOVAL...6996
INSTALLATION...6998
DISASSEMBLY...7000
ASSEMBLY...7002
DUMP CYLINDER...7004
REMOVAL...7004
INSTALLATION...7006
LIFT CYLINDER...7008
REMOVAL...7008
INSTALLATION...7010
STEERING, LIFT, DUMP CYLINDER...7012
DISASSEMBLY...7012
ASSEMBLY...7014
CENTER HINGE PIN...7016
REMOVAL...7016
INSTALLATION...7022
WORK EQUIPMENT...7032
REMOVAL...7032
INSTALLATION...7038
COUNTERWEIGHT...7047
REMOVAL...7047
INSTALLATION...7048
FUEL TANK...7049
REMOVAL...7049
INSTALLATION...7051
MACHINE MONITOR...7053
REMOVAL...7053
INSTALLATION...7054
40 MAINTENANCE STANDARD...7055
ENGINE AND TRANSMISSION MOUNT...7056
DAMPER...7057
TORQUE CONVERTER CHARGING, COOLING AND PPC PUMP...7059
TORQUE CONVERTER AND PTO...7061
TORQUE CONVERTER REGULATOR VALVE...7062
TRANSMISSION...7063
TRANSMISSION CONTROL VALVE...7066
TRANSMISSION SOLENOID VALVE...7070
TRANSFER...7071
DRIVE SHAFT...7073
CENTER SUPPORT...7074
DIFFERENTIAL...7075
FINAL DRIVE...7077
AXLE MOUNT...7079
CENTER HINGE PIN...7081
STEERING LINKAGE AND STEERING COLUMN...7083
STEERING GEAR BOX...7085
STEERING VALVE...7086
DIVERTER VALVE...7088
STEERING CYLINDER MOUNT...7089
EMERGENCY STEERING PUMP...7090
BRAKE CHAMBER...7091
BRAKE VALVE...7092
SLACK ADJUSTER...7094
BRAKE...7095
PARKING BRAKE...7097
SPRING CYLINDER...7098
CONTROL PUMP...7099
MAIN CONTROL VALVE...7100
PPC VALVE...7101
CYLINDER...7103
BUCKET LINKAGE...7104
BUCKET POSITIONER AND BOOM KICK-OUT...7106
TEN00001-03 - Wheel Loader GALEO WA700-3 Operation & Maintenance Manual...7107
COVER...7107
FOREWORD...7108
FOREWORD...7109
SAFETY INFORMATION...7112
INTRODUCTION...7114
FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE...7114
VISIBILITY FROM OPERATOR'S SEAT...7115
NECESSARY INFORMATION...7116
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE...7116
ENGINE SERIAL NO. PLATE AND POSITION...7116
POSITION OF SERVICE METER...7117
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...7117
CONTENTS...7118
SAFETY...7121
SAFETY...7122
SAFETY LABELS...7124
LOCATION OF SAFETY LABELS...7125
GENERAL PRECAUTIONS...7131
SAFETY RULES...7131
IF ABNORMALITIES ARE FOUND...7131
CLOTHING AND PERSONAL PROTECTIVE ITEMS...7131
FIRE EXTINGUISHER AND FIRST AID KIT...7131
SAFETY FEATURES...7131
KEEP MACHINE CLEAN...7132
INSIDE OPERATOR'S COMPARTMENT...7132
ALWAYS APPLY LOCK WHEN LEAVING OPERATOR'S SEAT...7132
HANDRAILS AND STEPS...7133
MOUNTING AND DISMOUNTING...7133
NO PEOPLE ON ATTACHMENTS...7133
DO NOT GET CAUGHT IN ARTICULATED PORTION...7134
PREVENTION OF BURNS...7134
FIRE PREVENTION...7135
ACTION IF FIRE OCCURS...7136
WINDOW WASHER LIQUID...7136
PRECAUTIONS WHEN USING ROPS (ROLL OVER PROTECTIVE STRUCTURE)...7136
PRECAUTIONS FOR ATTACHMENTS, OPTIONS...7136
UNAUTHORIZED MODIFICATION...7136
SAFETY AT WORKSITE...7137
WORKING ON LOOSE GROUND...7137
DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES...7138
ENSURE GOOD VISIBILITY...7138
PRECAUTIONS RELATED TO VENTILATION EXHAUST GAS...7139
CHECKING SIGNALMAN'S SIGNALS AND SIGNS...7139
EMERGENCY EXIT FROM OPERATOR'S CAB...7139
BE CAREFUL ABOUT ASBESTOS DUST...7139
PRECAUTIONS FOR OPERATION...7140
STARTING ENGINE...7140
CHECKS BEFORE STARTING ENGINE...7140
PRECAUTIONS WHEN STARTING...7140
PRECAUTIONS IN COLD AREAS...7141
OPERATION...7142
CHECKS BEFORE OPERATION...7142
PRECAUTIONS WHEN TRAVELING IN FORWARD OR REVERSE...7142
PRECAUTIONS WHEN TRAVELING...7143
TRAVELING ON SLOPES...7144
PROHIBITED OPERATIONS...7145
PRECAUTIONS WHEN OPERATING...7146
METHODS OF USING BRAKE...7146
OPERATE CAREFULLY ON SNOW...7147
PARKING MACHINE ...7148
TRANSPORTATION...7149
LOADING AND UNLOADING...7149
SHIPPING...7149
BATTERY...7150
BATTERY HAZARD PREVENTION...7150
STARTING WITH BOOSTER CABLES...7151
TOWING...7152
PRECAUTIONS FOR MAINTENANCE...7153
WARNING TAG ...7153
KEEP WORK PLACE CLEAN AND TIDY...7153
APPOINT LEADER WHEN WORKING WITH OTHERS...7153
STOP ENGINE BEFORE CARRYING OUT MAINTENANCE...7154
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING...7155
PROPER TOOLS...7156
WORK EQUIPMENT SUPPORT...7156
ACCUMULATOR...7156
PERSONNEL...7156
ATTACHMENTS ...7157
NOISE...7157
PRECAUTIONS WHEN USING HAMMER ...7157
REPAIR WELDING ...7157
REMOVING BATTERY TERMINAL ...7157
PRECAUTIONS WITH HIGH-PRESSURE OIL...7158
HANDLING HIGH-PRESSURE HOSES...7158
WASTE MATERIALS ...7158
MAINTENANCE OF AIR CONDITIONER...7158
COMPRESSED AIR...7159
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS ...7159
PRECAUTIONS WITH TIRES...7160
HANDLING TIRES...7160
PRECAUTIONS WHEN STORING TIRES...7160
OPERATION...7161
GENERAL VIEW...7162
GENERAL VIEW OF MACHINE...7162
GENERAL VIEW OF CONTROLS AND GAUGES...7163
EXPLANATION OF COMPONENTS...7165
MACHINE MONITOR...7165
SWITCHES...7178
CONTROL LEVERS, PEDALS...7187
STEERING COLUMN TILT LEVER...7191
CAP WITH LOCK...7192
FUEL STOP LEVER FOR EMERGENCY ENGINE STOP...7193
SAFETY BAR...7193
TOWING PIN...7194
GREASE PUMP...7194
BACKUP ALARM...7194
CAB DOOR OPEN LOCK...7195
TOOL BOX...7195
DUST INDICATOR...7195
FUSE...7195
SLOW BLOW FUSE...7197
LUNCH BOX TRAY...7197
POWER OUTLET...7197
PRECAUTIONS WHEN HANDLING ACCUMULATOR...7198
OPERATION...7200
CHECK BEFORE STARTING ENGINE, ADJUST...7200
STARTING ENGINE...7217
OPERATIONS AND CHECKS AFTER STARTING ENGINE...7219
STOPPING ENGINE...7221
CHECK AFTER STOPPING ENGINE...7221
MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE...7222
TURNING...7227
OPERATION OF WORK EQUIPMENT...7228
WORK POSSIBLE USING WHEEL LOADER...7230
PRECAUTIONS FOR OPERATION...7236
ADJUSTING WORK EQUIPMENT POSTURE...7238
REMOVAL AND INSTALLATION OF THE BUCKET...7240
PARKING MACHINE...7244
CHECKS AFTER COMPLETION OF OPERATION...7246
LOCKING...7246
HANDLING THE TIRES...7247
TRANSPORTATION...7249
TRANSPORTATION PROCEDURE...7249
LOADING, UNLOADING WORK...7249
METHOD OF SECURING MACHINE...7249
METHOD OF LIFTING MACHINE...7251
COLD WEATHER OPERATION...7254
PRECAUTIONS FOR LOW TEMPERATURE...7254
PRECAUTIONS AFTER COMPLETION OF WORK...7255
AFTER COLD WEATHER...7256
WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER...7256
LONG-TERM STORAGE...7257
BEFORE STORAGE...7257
DURING STORAGE...7257
AFTER STORAGE...7257
TROUBLESHOOTING...7258
WHEN MACHINE RUNS OUT OF FUEL...7258
METHOD OF TOWING MACHINE...7260
IF BATTERY IS DISCHARGED...7264
OTHER TROUBLE...7268
MAINTENANCE...7272
GUIDES TO MAINTENANCE...7273
OUTLINES OF SERVICE...7275
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC...7275
OUTLINE OF ELECTRIC SYSTEM...7278
WEAR PARTS...7279
WEAR PARTS LIST...7279
RECOMMENDED FUEL, COOLANT, AND LUBRICANT...7280
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...7281
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL...7282
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...7283
TORQUE LIST...7283
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...7284
SAFETY CRITICAL PARTS...7284
MAINTENANCE SCHEDULE CHART...7285
MAINTENANCE SCHEDULE CHART...7285
SERVICE PROCEDURE...7287
INITIAL 250 HOURS SERVICE...7287
INITIAL 2000 HOURS SERVICE...7287
CHECK INJECTOR SETTING LOAD, ADJUST...7287
WHEN REQUIRED...7288
CHECK, CLEAN, OR REPLACE AIR CLEANER ELEMENT...7288
CLEAN INSIDE OF COOLING SYSTEM...7291
CHECK TRANSMISSION OIL LEVEL, ADD OIL...7294
CHECK AXLE OIL LEVEL, ADD OIL...7296
CLEAN AXLE CASE BREATHER...7297
CLEAN AIR CONDITIONER CONDENSER...7297
CHECK WINDOW WASHING FLUID LEVEL, ADD FLUID...7298
CLEAN RADIATOR FINS AND OIL COOLER FINS...7298
CHECK ELECTRICAL INTAKE AIR HEATER...7299
REPLACE BUCKET TEETH...7299
LUBRICATE WORK EQUIPMENT CONTROL VALVE LINKAGE (2 PLACES)...7300
CHECK AIR CONDITIONER...7300
REPLACE SLOW BLOW FUSE...7301
BLEEDING AIR FROM HYDRAULIC TANK...7302
REPLACE FAN BELT, ADJUST AUTO-TENSIONER...7304
BLEEDING AIR FROM BRAKE HYDRAULIC CIRCUIT...7306
BLEEDING AIR FROM PPC CIRCUIT...7306
SELECTION AND INSPECTION OF TIRES...7307
CHECK BEFORE STARTING...7309
EVERY 50 HOURS SERVICE...7310
DRAIN WATER, SEDIMENT FROM FUEL TANK...7310
EVERY 100 HOURS SERVICE...7311
LUBRICATING...7311
CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL...7313
CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER...7314
EVERY 250 HOURS SERVICE...7315
CHECK BATTERY ELECTROLYTE LEVEL...7315
CHECK PARKING BRAKE...7316
CHECK ALTERNATOR BELT TENSION, ADJUST...7317
CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST...7318
CHECK FOR LOOSE WHEEL HUB NUTS, TIGHTEN...7318
CLEAN ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER...7319
EVERY 500 HOURS SERVICE...7320
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE...7320
REPLACE FUEL FILTER CARTRIDGE...7322
REPLACE TRANSMISSION OIL FILTER ELEMENT...7323
LUBRICATE CENTER DRIVE SHAFT...7324
CHECK FAN BELT FOR WEAR ...7324
EVERY 1000 HOURS SERVICE...7325
CHANGE OIL IN TRANSMISSION CASE, CLEAN STRAINER...7325
CLEAN TRANSMISSION CASE BREATHER...7326
LUBRICATING...7327
CHECK TIGHTENING PARTS OF TURBOCHARGER...7329
CLEAN FUEL STRAINER...7329
REPLACE CORROSION RESISTOR CARTRIDGE...7329
TIGHTEN ROPS CANOPY...7330
EVERY 2000 HOURS SERVICE...7331
CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC FILTER ELEMENT...7331
REPLACE HYDRAULIC TANK BREATHER ELEMENT...7333
CLEAN HYDRAULIC TANK STRAINER...7334
CHANGE AXLE OIL...7335
REPLACE FILTER ELEMENT IN BRAKE OIL TANK...7336
REPLACE BRAKE OIL TANK BREATHER...7337
REPLACE ELEMENT IN AIR CONDITIONER RECIRCULATION AIR FILTER, FRESH AIR FILTER...7337
CLEAN PPC CIRCUIT STRAINER...7337
CLEAN ENGINE BREATHER ELEMENT...7338
CHECK ALTERNATOR, STARTING MOTOR...7338
CHECK ENGINE VALVE CLEARANCE, ADJUST...7338
CHECK BRAKE DISC WEAR...7338
CLEAN AND CHECK TURBOCHARGER...7338
CHECK ACCUMULATOR FUNCTION...7339
CHECK ACCUMULATOR GAS PRESSURE...7339
EVERY 4000 HOURS SERVICE...7340
CHECK WATER PUMP...7340
CHECK VIBRATION DAMPER...7340
CHECK FAN PULLEY AND TENSION PULLEY...7340
CHECK AIR CONDITIONER COMPRESSOR, ADJUST...7340
SPECIFICATIONS...7341
SPECIFICATIONS...7342
ATTACHMENTS, OPTIONS...7344
SELECTING BUCKET AND TIRES...7345
HANDLING AUTO-GREASING SYSTEM...7346
METHOD OF OPERATING AUTO-GREASING SYSTEM...7347
PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM...7348
METHOD OF ADJUSTING DISCHARGE FROM INJECTOR...7355
METHOD OF SETTING TIMER...7356
HANDLING AUTOMATIC SHIFT SYSTEM...7359
METHOD OF OPERATION...7359
PRECAUTION WHEN CHANGING DIRECTION...7360
HANDLING AJSS (ADVANCED JOYSTICK STEERING SYSTEM)...7361
EXPLANATION OF COMPONENTS...7361
STRUCTURE AND FUNCTION OF JOYSTICK STEERING...7362
OPERATION METHOD OF JOYSTICK STEERING SYSTEM...7365
ADJUSTMENT OF JOYSTICK CONSOLE...7368
ADJUSTMENT OF AIR SUSPENSION SEAT...7369
FAILURE DISPLAY ON MAIN MONITOR...7371
FAILURE CODE ON MAIN MONITOR...7371
CAR RADIO...7372
EXPLANATION OF COMPONENTS...7372
METHOD OF USE...7375
PRECAUTIONS WHEN USING...7377
AM/FM RADIO-CASSETTE STEREO...7378
EXPLANATION OF COMPONENTS...7378
METHOD OF OPERATION...7383
PRECAUTIONS FOR USE...7385
AIR CONDITIONER...7386
GENERAL LOCATIONS AND FUNCTION OF CONTROL PANEL...7386
METHOD OF OPERATION...7388
INDEX...7390
TEN00066-02 - Wheel Loader GALEO WA700-3 Operation & Maintenance Manual...7394
COVER...7394
FOREWORD...7396
FOREWORD...7397
SAFETY INFORMATION...7400
INTRODUCTION...7402
FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE...7402
VISIBILITY FROM OPERATOR'S SEAT...7403
NECESSARY INFORMATION...7404
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE...7404
ENGINE SERIAL NO. PLATE AND POSITION...7404
POSITION OF SERVICE METER...7405
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...7405
CONTENTS...7406
SAFETY...7410
SAFETY...7411
SAFETY LABELS...7413
LOCATION OF SAFETY LABELS...7414
GENERAL PRECAUTIONS...7420
PRECAUTIONS FOR OPERATION...7430
STARTING ENGINE...7430
OPERATION...7432
TRANSPORTATION...7440
BATTERY...7441
TOWING...7443
PRECAUTIONS FOR MAINTENANCE...7444
PRECAUTIONS WITH TIRES...7452
OPERATION...7454
GENERAL VIEW...7455
GENERAL VIEW OF MACHINE...7455
GENERAL VIEW OF CONTROLS AND GAUGES...7456
EXPLANATION OF COMPONENTS...7458
MACHINE MONITOR...7458
SWITCHES...7471
CONTROL LEVERS, PEDALS...7481
MAIN MONITOR TILT LEVER...7485
CAP WITH LOCK...7486
FUEL STOP LEVER FOR EMERGENCY ENGINE STOP...7487
SAFETY BAR...7487
TOWING PIN...7488
GREASE PUMP...7488
BACKUP ALARM...7488
CAB DOOR OPEN LOCK...7489
TOOL BOX...7489
DUST INDICATOR...7489
FUSE...7489
SLOW BLOW FUSE...7491
LUNCH BOX TRAY...7491
POWER OUTLET...7491
AIR CONDITIONER...7492
PRECAUTIONS WHEN HANDLING ACCUMULATOR...7497
OPERATION...7499
CHECK BEFORE STARTING ENGINE, ADJUST...7499
STARTING ENGINE...7516
OPERATIONS AND CHECKS AFTER STARTING ENGINE...7518
STOPPING ENGINE...7520
CHECK AFTER STOPPING ENGINE...7520
MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE...7521
TURNING...7528
OPERATION OF WORK EQUIPMENT...7529
WORK POSSIBLE USING WHEEL LOADER...7531
ADJUSTING WORK EQUIPMENT POSTURE...7539
REMOVAL AND INSTALLATION OF THE BUCKET...7541
PARKING MACHINE...7545
CHECKS AFTER COMPLETION OF OPERATION...7547
LOCKING...7547
HANDLING THE TIRES...7548
TRANSPORTATION...7550
TRANSPORTATION PROCEDURE...7550
LOADING, UNLOADING WORK...7550
METHOD OF SECURING MACHINE...7550
METHOD OF LIFTING MACHINE...7552
COLD WEATHER OPERATION...7556
PRECAUTIONS FOR LOW TEMPERATURE...7556
PRECAUTIONS AFTER COMPLETION OF WORK...7557
AFTER COLD WEATHER...7558
WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER...7558
LONG-TERM STORAGE...7559
BEFORE STORAGE...7559
DURING STORAGE...7559
AFTER STORAGE...7559
TROUBLESHOOTING...7560
WHEN MACHINE RUNS OUT OF FUEL...7560
METHOD OF TOWING MACHINE...7562
IF BATTERY IS DISCHARGED...7566
OTHER TROUBLE...7570
MAINTENANCE...7576
GUIDES TO MAINTENANCE...7577
OUTLINES OF SERVICE...7579
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC...7579
OUTLINE OF ELECTRIC SYSTEM...7582
WEAR PARTS...7583
WEAR PARTS LIST...7583
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...7584
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS...7584
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...7588
TORQUE LIST...7588
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...7589
SAFETY CRITICAL PARTS...7589
MAINTENANCE SCHEDULE CHART...7590
MAINTENANCE SCHEDULE CHART...7590
SERVICE PROCEDURE...7592
INITIAL 250 HOURS SERVICE...7592
INITIAL 2000 HOURS SERVICE...7592
WHEN REQUIRED...7593
CHECK BEFORE STARTING...7612
EVERY 50 HOURS SERVICE...7613
EVERY 100 HOURS SERVICE...7614
EVERY 250 HOURS SERVICE...7618
EVERY 500 HOURS SERVICE...7623
EVERY 1000 HOURS SERVICE...7629
EVERY 2000 HOURS SERVICE...7635
EVERY 4000 HOURS SERVICE...7644
SPECIFICATIONS...7646
SPECIFICATIONS...7647
ATTACHMENTS, OPTIONS...7650
SELECTING BUCKET AND TIRES...7651
HANDLING AUTO-GREASING SYSTEM...7652
METHOD OF OPERATING AUTO-GREASING SYSTEM...7653
PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM...7654
METHOD OF ADJUSTING DISCHARGE FROM INJECTOR...7661
METHOD OF SETTING TIMER...7662
CAR RADIO...7665
EXPLANATION OF COMPONENTS...7665
METHOD OF USE...7668
PRECAUTIONS WHEN USING...7670
AM/FM RADIO-CASSETTE STEREO...7671
EXPLANATION OF COMPONENTS...7671
METHOD OF OPERATION...7676
PRECAUTIONS FOR USE...7678
INDEX...7680
Komatsu Wheel Loader WA700, WA700L Repair Service Manual