Komatsu Wheel Loader WA400 Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Wheel Loader WA400, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Wheel Loaders WA400-Series 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.
PRODUCT DETAILS:
Total Pages: 2,260 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
SEAM047401T - Wheel Loader WA400-5 Operation & Maintenance Manual.pdf
SEBM028006 - Wheel Loader WA400-5 Shop Manual.pdf
SEBM04240106 - Wheel Loader WA400-1 Shop Manual.pdf
MAIN SECTIONS
SEAM047401T - Wheel Loader WA400-5 Operation & Maintenance Manual...2
COVER...2
FOREWORD...3
FOREWORD...4
SAFETY INFORMATION...7
INTRODUCTION...9
FRONT/REAR,LEFT/RIGHT DIRECTIONS OF MACHINE...9
NECESSARY INFORMATION...10
MACHINE SERIAL NO. PLATE AND POSITION...10
ENGINE SERIAL NO. PLATE AND POSITION...10
POSITION OF SERVICE METER...11
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...11
CONTENTS...12
SAFETY...15
SAFETY...16
SAFETY LABELS...19
LOCATION OF SAFETY LABELS...19
SAFETY LABELS...20
GENERAL PRECAUTIONS...25
SAFETY RULES...25
IF ABNORMALITIES ARE FOUND...25
CLOTHING AND PERSONAL PROTECTIVE ITEMS...25
FIRE EXTINGUISHER AND FIRST AID KIT...25
SAFETY FEATURES...25
KEEP MACHINE CLEAN...26
INSIDE OPERATOR'S COMPARTMENT...26
ALWAYS APPLY LOCK WHEN LEAVING OPERATOR'S SEAT...26
HANDRAILS AND STEPS...27
MOUNTING AND DISMOUNTING...28
NO PEOPLE ON ATTACHMENTS...28
DO NOT GET CAUGHT IN ARTICULATED PORTION...28
PREVENTION OF BURNS...28
FIRE PREVENTION...29
ACTION IF FIRE OCCURS...30
WINDOW WASHER LIQUID...30
PRECAUTIONS WHEN USING ROPS (ROLL OVER PROTECTIVE STRUCTURE)...30
PRECAUTIONS FOR ATTACHMENTS...31
UNAUTHORIZED MODIFICATION...31
SAFETY AT WORKSITE...31
WORKING ON LOOSE GROUND...31
DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES...32
ENSURE GOOD VISIBILITY...32
BE CAREFUL ABOUT ASBESTOS DUST...32
CHECKING SIGNALMAN'S SIGNALS AND SIGNS...33
EMERGENCY EXIT FROM OPERATOR'S CAB...33
VENTILATION FOR ENCLOSED AREAS...33
PRECAUTIONS FOR OPERATION...34
STARTING ENGINE...34
CHECKS BEFORE STARTING ENGINE...34
PRECAUTIONS WHEN STARTING...35
PRECAUTIONS IN COLD AREAS...35
OPERATION...36
CHECKS BEFORE OPERATION...36
PRECAUTIONS WHEN TRAVELING IN FORWARD OR REVERSE...36
PRECAUTIONS WHEN TRAVELING...37
TRAVELING ON SLOPES...38
PROHIBITED OPERATIONS...39
PRECAUTIONS WHEN OPERATING...39
METHODS OF USING BRAKE...40
OPERATE CAREFULLY ON SNOW...40
PARKING MACHINE...41
TRANSPORTATION...42
LOADING AND UNLOADING...42
SHIPPING...42
BATTERY...43
BATTERY HAZARD PREVENTION...43
STARTING WITH BOOSTER CABLES...44
TOWING...45
WHEN TOWING...45
PRECAUTIONS FOR MAINTENANCE...46
WARNING TAG...46
KEEP WORK PLACE CLEAN AND TIDY...46
APPOINT LEADER WHEN WORKING WITH OTHERS...46
MAINTENANCE WITH ENGINE RUNNING...47
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING...48
INSPECTION AND MAINTENANCE AFTER TURNING E.C.S.S. SWITCH OFF...48
PROPER TOOLS...49
ACCUMULATOR...49
PERSONNEL...49
ATTACHMENTS...49
WORK UNDER THE MACHINE...50
NOISE...50
PRECAUTIONS WHEN USING HAMMER...50
REPAIR WELDING...50
REMOVING BATTERY TERMINAL...50
PRECAUTIONS WITH HIGH-PRESSURE OIL...51
PRECAUTIONS FOR HIGH-PRESSURE FUEL...51
HANDLING HIGH-PRESSURE HOSES...51
WASTE MATERIALS...51
MAINTENANCE OF AIR CONDITIONER...52
COMPRESSED AIR...52
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...52
PRECAUTIONS WITH TIRES...53
HANDLING TIRES...53
PRECAUTIONS WHEN STORING TIRES...53
OPERATION...54
GENERAL VIEW...55
GENERAL VIEW OF MACHINE...55
GENERAL VIEW OF CONTROLS AND GAUGES...56
EXPLANATION OF COMPONENTS...59
MACHINE MONITOR...59
SWITCHES...89
CONTROL LEVERS, PEDALS...102
STEERING TILT LOCK LEVER...107
CAP WITH LOCK...108
SAFETY BAR...110
TOWING PIN...110
GREASE PUMP...111
CAB DOOR OPEN LOCK...111
CAB WINDOW OPEN LOCK CANCEL KNOB...111
BACKUP ALARM...112
FUSE...112
SLOW-BLOW FUSE...114
TAKING OFF POWER...114
CAR RADIO...115
AIR CONDITIONER...121
HANDLING CAB WIPER...126
DUST INDICATOR...126
OPERATION...127
CHECK BEFORE STARTING ENGINE, ADJUST...127
STARTING ENGINE...141
OPERATIONS AND CHECKS AFTER STARTING ENGINE...145
STOPPING ENGINE...147
CHECK AFTER STOPPING ENGINE...147
MOVING MACHINE OFF (DIRECTIONAL, SPEED), STOPPING...147
TURNING...157
OPERATION OF WORK EQUIPMENT...159
WORK POSSIBLE USING WHEEL LOADER...161
PRECAUTIONS FOR OPERATION...167
ADJUSTING WORK EQUIPMENT POSTURE...169
PARKING MACHINE...171
CHECKS AFTER COMPLETION OF OPERATION...173
LOCKING...173
HANDLING THE TIRES...174
TRANSPORTATION...176
TRANSPORTATION PROCEDURE...176
LOADING, UNLOADING WORK WITH TRAILERS...176
LIFTING MACHINE...178
COLD WEATHER OPERATION...181
PRECAUTIONS FOR LOW TEMPERATURE...181
PRECAUTIONS AFTER COMPLETION OF WORK...182
AFTER COLD WEATHER...183
WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER...183
LONG-TERM STORAGE...184
BEFORE STORAGE...184
DURING STORAGE...184
AFTER STORAGE...184
TROUBLESHOOTING...185
WHEN MACHINE RUNS OUT OF FUEL...185
TOWING THE MACHINE...186
IF BATTERY IS DISCHARGED...190
OTHER TROUBLE...193
MAINTENANCE...198
GUIDES TO MAINTENANCE...199
OUTLINES OF SERVICE...201
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC...201
OUTLINE OF ELECTRIC SYSTEM...203
WEAR PARTS...204
WEAR PARTS LIST...204
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...205
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS...205
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...210
TORQUE LIST...210
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...211
MAINTENANCE SCHEDULE CHART...212
MAINTENANCE SCHEDULE CHART...212
SERVICE PROCEDURE...214
INITIAL 250 HOURS SERVICE...214
INITIAL 1000 HOURS SERVICE...214
WHEN REQUIRED...215
CHECK,CLEAN,OR REPLACE AIR CLEANER ELEMENT...215
CLEAN INSIDE OF COOLING SYSTEM...218
CHECK WATER SEPARATOR...220
CHECK TRANSMISSION OIL LEVEL, ADD OIL...221
CHECK AXLE OIL LEVEL, ADD OIL...222
CLEAN AXLE CASE BREATHER...224
CLEAN CONDENSER OF AIR CONDITIONER...224
CHECK WINDOW WASHING FLUID LEVEL, ADD FLUID...225
CLEAN RADIATOR FINS AND COOLER FINS...225
CHECK ELECTRICAL INTAKE AIR HEATER...228
REPLACE BOLT ON CUTTING EDGE...228
REPLACE BUCKET TEETH...229
CHECK AIR CONDITIONER...230
REPLACE SLOW-BLOW FUSE...230
SELECTION AND INSPECTION OF TIRES...231
CHECK BEFORE STARTING...233
EVERY 50 HOURS SERVICE...233
DRAIN WATER, SEDIMENT FROM FUEL TANK...233
EVERY 100 HOURS SERVICE...233
LUBRICATE REAR AXLE PIVOT PIN...233
CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL...234
CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER...234
EVERY 250 HOURS SERVICE...235
CHECK BATTERY ELECTROLYTE LEVEL...235
CHECK PARKING BRAKE...237
CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST...237
CHECK FOR LOOSE WHEEL HUB NUTS, TIGHTEN...238
CLEAN ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER...238
LUBRICATING...239
EVERY 500 HOURS SERVICE...240
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE...240
REPLACE FUEL FILTER CARTRIDGE...241
EVERY 1000 HOURS SERVICE...242
CHANGE OIL IN TRANSMISSION CASE AND TRANSMISSION OIL FILTER CARTRIDGE, CLEAN STRAINER...242
CLEAN TRANSMISSION CASE BREATHER...243
LUBRICATING...243
CHECK TIGHTENING PARTS OF TURBOCHARGER...244
CHECK PLAY OF TURBOCHARGER ROTOR...244
CHECK ALTERNATOR DRIVING BELT TENSION AND REPLACEMENT...244
REPLACE CORROSION RESISTOR CARTRIDGE...244
EVERY 2000 HOURS SERVICE...244
CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC FILTER ELEMENT...244
REPLACE HYDRAULIC TANK BREATHER ELEMENT...246
CHANGE AXLE OIL...247
REPLACE ELEMENT IN AIR CONDITIONER RECIRCULATION AIR FILTER, FRESH AIR FILTER...247
CLEAN PPC CIRCUIT STRAINER...248
CLEAN ENGINE BREATHER ELEMENT...248
CHECK ALTERNATOR, STARTING MOTOR...248
CHECK ENGINE VALVE CLEARANCE, ADJUST...248
CLEAN AND CHECK TURBOCHARGER...249
CHECK INJECTOR...249
CHECK ACCUMULATOR GAS PRESSURE...249
CHECK VIBRATION DAMPER...249
CHECK BRAKE DISC WEAR...249
EVERY 4000 HOURS SERVICE...250
LUBRICATING...250
CHECK WATER PUMP...251
CHECK AIR CONDITIONER COMPRESSOR, ADJUST...251
REPLACE INJECTOR ASSEMBLY...251
CHECKING FOR LOOSENESS OF HIGH-PRESSURE CLAMP,HARDENING OF RUBBER...252
CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP,HARDENING OF RUBBER...252
EVERY 8000 HOURS SERVICE...252
REPLACE HIGH-PRESSURE PIPING CLAMP...252
REPLACE FUEL SPRAY PREVENTION CAP...252
SPECIFICATIONS...253
SPECIFICATIONS...254
ATTACHMENTS, OPTIONS...255
SELECTING BUCKET AND TIRES...256
HANDLING LOAD METER...257
GENERAL LOCATIONS...257
LOAD METER FUNCTIONS...259
HANDLING LOAD METER DISPLAY...262
METHOD OF SETTING TIME ON CLOCK...277
PRINTER OUTPUT...279
HANDLING TORQUE CONVERTER LOCK-UP...282
GENERAL LOCATIONS...282
METHOD OF OPERATION...283
WARNING/LIMIT FUNCTIONS FOR TRAVEL SPEED...284
HANDLING AUTO-GREASING SYSTEM...285
METHOD OF OPERATING AUTO-GREASING SYSTEM...285
PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM...291
TROUBLESHOOTING...291
HANDLING JOYSTICK STEERING SYSTEM...292
EXPLANATION OF COMPONENTS...292
STRUCTURE AND FUNCTION OF JOYSTICK STEERING...294
GETTING IN OR OUT OF OPERATOR'S CAB...296
ADJUSTMENT OF JOYSTICK CONSOLE...296
OPERATION METHOD OF JOYSTICK STEERING SYSTEM...297
HANDLING EPC WORK EQUIPMENT LEVER...300
OPERATIONAL FEATURES...300
SWITCHES...300
SEMI AUTO DIGGING OPERATIONS...301
METHOD OF REMOTE POSITIONER...303
HANDLING MULTI-FUNCTION LEVER...305
EXPLANATION OF COMPONENTS...305
USING FNR SWITCH TO CHANGE BETWEEN FORWARD AND REVERSE...308
INDEX...310
SEBM028006 - Wheel Loader WA400-5 Shop Manual...314
COVER...314
CONTENTS...315
01 GENERAL...341
GENERAL ASSEMBLY DRAWING...342
SPECIFICATIONS...343
WEIGHT TABLE...347
LIST OF LUBRICANT AND COOLANT...349
10 STRUCTURE AND FUNCTION, MAINTENANCE STANDARD...351
COOLING SYSTEM...352
ENGINE MOUNT, TRANSMISSION MOUNT...353
POWER TRAIN...354
POWER TRAIN SYSTEM DIAGRAM...355
DRIVE SHAFT (PROPELLER SHAFT)...358
TORQUE CONVERTER,TRANSMISSION PIPING...359
TORQUE CONVERTER...360
TRANSMISSION...368
TRANSMISSION CONTROL VALVE...383
AXLE...398
DIFFERENTIAL...400
FINAL DRIVE...411
AXLE MOUNTING,CENTER HINGE PIN...417
STEERING PIPING...421
STEERING COLUMN, ORBIT-ROLL...422
STEERING VALVE...423
ORBIT-ROLL VALVE...438
STOP VALVE...442
STEERING PUMP, SWITCH PUMP...443
EMERGENCY STEERING PUMP (OP)...445
EMERGENCY STEERING MOTOR (OP)...446
STEERING CYLINDER...447
JOYSTICK STEERING LEVER (OP)...449
STEERING LEVER (OP)...450
STEERING SWITCH VALVE (OP)...452
BRAKE PIPING...453
BRAKE VALVE...455
CHARGE VALVE...462
ACCUMULATOR (FOR BRAKE)...466
BRAKE...468
PARKING BRAKE CONTROL...473
PARKING BRAKE...474
PARKING BRAKE SOLENOID VALVE...476
PARKING BRAKE EMERGENCY RELEASE VALVE...478
HYDRAULIC PIPING...479
WORK EQUIPMENT CONTROL LEVER...482
HYDRAULIC TANK...484
TORQUE CONVERTER CHARGING, WORK EQUIPMENT, AND PILOT CONTROL PUMPS...486
PPC RELIEF VALVE...488
ECSS VALVE...490
WORK EQUIPMENT CONTROL VALVE...492
WORK EQUIPMENT PPC VALVE...509
PPC VALVE (FOR MULTI FUNCTION MONO LEVER)...515
EPC SOLENOID VALVE (OP)...521
SHUT OFF VALVE (OP)...524
ATTACHMENT PPC VALVE (OP)...525
COOLING FAN MOTOR...529
COOLING FAN MOTOR DRIVE PUMP...534
WORK EQUIPMENT LINKAGE...542
BUCKET...544
BUCKET POSITIONER, LIFT ARM KICK-OUT...545
WORK EQUIPMENT CYLINDER...551
CAB...552
AIR CONDITIONER (OP)...553
MACHINE MONITORING SYSTEM...554
MACHINE MONITOR...561
TRANSMISSION CONTROL SYSTEM...620
TRANSMISSION CONTROLLER...646
JOY STICK STEERING CONTROL SYSTEM (OP)...648
WORK EQUIPMENT CONTROLLER...654
ELECTRIC TRANSMISSION CONTROL...656
KICK DOWN, HOLD SWITCH...660
ENGINE STARTING CIRCUIT...661
ENGINE STOP CIRCUIT...663
PREHEATING CIRCUIT...664
ENGINE POWER MODE SELECTOR CIRCUIT...665
PARKING BRAKE CIRCUIT...666
SENSORS...670
20 TESTING AND ADJUSTING...680
STANDARD VALUE TABLE FOR ENGINE...681
STANDARD VALUE TABLE FOR CHASSIS...682
TESTING AND SDJUSTING...689
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING...690
MEASURING ENGINE SPEED...691
MEASURING EXHAUST COLOR...693
MEASURING EXHAUST TEMPERATURE...694
ADJUSTING VALVE CLEARANCE...695
MEASURING COMPRESSION PRESSURE...697
MEASURING BLOW-BY PRESSURE...698
MEASURING ENGINE OIL PRESSURE...699
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)...700
TESTING AND ADJUSTING FUEL INJECTION TIMING...701
ADJUSTING ENGINE SPEED SENSOR...702
BLEEDING AIR FROM FUEL CIRCUIT...703
ADJUSTING ENGINE STOP SOLENOID...704
ADJUSTING ACCELERATOR PEDAL...705
ADJUSTING TRANSMISSION SPEED SENSOR...707
TESTING AND ADJUSTING POWER TRAIN OIL PRESSURE...708
DRAWING OF SPECIAL TOOL...712
PROCEDURE FOR FLUSHING TORQUE CONVERTER, TRANSMISSION HYDRAULIC CIRCUIT...713
PROCEDURE FOR MOVING MACHINE WHEN TRANSMISSION VALVE FAILS...714
TESTING AND ADJUSTING STEERING CONTROL...716
TESTING AND ADJUSTING STEERING OIL PRESSURE...717
TESTING HYDRAULIC FAN...719
MEASURING BRAKE OIL PRESSURE...720
TESTING WEAR OF WHEEL BRAKE DISC...722
BLEEDING AIR FROM BRAKE CIRCUIT...723
TESTING WEAR OF PARKING BRAKE DISC...724
MANUAL RELEASE METHOD FOR PARKING BRAKE...725
TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE...726
TESTING AND ADJUSTING WORKING EQUIPMENT PPC OIL PRESSURE...728
TESTING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE...730
TESTING AND ADJUSTING BUCKET POSITIONER...732
TESTING AND ADJUSTING LIFT ARM KICK-OUT...733
CHECKING PROXIMITY SWITCH ACTUATION PILOT LAMP...734
ADJUSTING MACHINE MONITOR...735
TESTING AND ADJUSTING LOAD METER...738
BLEEDING AIR...742
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...743
RELEASING REMAINING PRESSURE IN TRAVEL DAMPER CIRCUIT...743
PM CLINIC INSPECTION TABLE...744
TROUBLESHOOTING...746
POINTS TO REMEMBER WHEN TROUBLESHOOTING...747
SEQUENCE OF EVENTS IN TROUBLESHOOTING...748
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE...749
CHECKS BEFORE TROUBLESHOOTING...757
EQUIPMENT FOR TROUBLESHOOTING ELECTRICAL SYSTEM...758
SPECIAL FUNCTIONS OF MACHINE MONITOR...759
CATEGORIES, PROCEDURE, AND METHOD OF USING TROUBLESHOOTING CHARTS...790
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...798
T-ADAPTER TABLE...820
TROUBLESHOOTING OF TRANSMISSION CONTROL SYSTEM (TM MODE)...823
CONNECTOR TYPES AND MOUNTING LOCATIONS...825
CONNECTOR LAYOUT DRAWING...833
TRANSMISSION CONTROL SYSTEM DIAGRAM...839
ERROR CODE [1500L1] (DOUBLE ENGAGEMENT DETECTED) IS DISPLAYED...842
ERROR CODE [15SAL1] (F_ECMV FILL SWITCH SYSTEM SHORT-CIRCUITED) IS DISPLAYED...843
ERROR CODE [15SALH] (F_ECMV FILL SWITCH SYSTEM DISCONNECTED) IS DISPLAYED...844
ERROR CODE [15SBL1] (R_ECMV FILL SWITCH SYSTEM SHORT-CIRCUITED) IS DISPLAYED...845
ERROR CODE [15SBLH] (R_ECMV FILL SWITCH SYSTEM DISCONNECTED) IS DISPLAYED...846
ERROR CODE [15SEL1] (1ST_ECMV FILL SWITCH SYSTEM SHORT-CIRCUITED) IS DISPLAYED...847
ERROR CODE [15SELH] (1ST_ECMV FILL SWITCH SYSTEM DISCONNECTED) IS DISPLAYED...848
ERROR CODE [15SFL1] (2ND_ECMV FILL SWITCH SYSTEM SHORT-CIRCUITED) IS DISPLAYED...849
ERROR CODE [15SFLH] (2ND_ECMV FILL SWITCH SYSTEM DISCONNECTED) IS DISPLAYED...850
ERROR CODE [15SGL1] (3RD_ECMV FILL SWITCH SYSTEM SHORT-CIRCUITED) IS DISPLAYED...851
ERROR CODE [15SGLH] (3RD_ECMV FILL SWITCH SYSTEM DISCONNECTED) IS DISPLAYED...852
ERROR CODE [15SHL1] (4TH_ECMV FILL SWITCH SYSTEM SHORT-CIRCUITED) IS DISPLAYED...853
ERROR CODE [15SHLH] (4TH_ECMV FILL SWITCH SYSTEM DISCONNECTED) IS DISPLAYED...854
ERROR CODE [15SJL1] (LOCKUP_ECMV FILL SWITCH SYSTEM SHORT-CIRCUITED) IS DISPLAYED...855
ERROR CODE [15SJLH] (LOCKUP_ECMV FILL SWITCH SYSTEM DISCONNECTED) IS DISPLAYED...856
ERROR CODE [989F00] (TRANSMISSION PROTECTION CAUTION) IS DISPLAYED...857
ERROR CODE [B@C7NS] (REAR BRAKE COOLING OIL OVERHEAT) IS DISPLAYED...858
ERROR CODE [D150KA] (EMERGENCY STEERING RELAY OUTPUT SYSTEM DISCONNECTED) IS DISPLAYED...859
ERROR CODE [D150KB] (EMERGENCY STEERING RELAY OUTPUT SYSTEM GROUNDED) IS DISPLAYED...860
ERROR CODE [D160KA] (BACKUP LAMP RELAY OUTPUT SYSTEM DISCONNECTED) IS DISPLAYED...861
ERROR CODE [D160KB] (BACKUP LAMP RELAY OUTPUT SYSTEM GROUNDED) IS DISPLAYED...862
ERROR CODE [D191KA] (NEUTRAL SAFETY RELAY OUTPUT SYSTEM DISCONNECTED) IS DISPLAYED...863
ERROR CODE [D191KB] (NEUTRAL SAFETY RELAY OUTPUT SYSTEM GROUNDED) IS DISPLAYED...865
ERROR CODE [D192KA] (TRAVEL DAMPER RELAY OUTPUT SYSTEM DISCONNECTED) IS DISPLAYED...867
ERROR CODE [D192KB] (TRAVEL DAMPER RELAY OUTPUT SYSTEM GROUNDED) IS DISPLAYED...868
ERROR CODE [D198KB] (GROUND FAULT IN LOW TEMPERATURE BYPASS RELAY SYSTEM)...869
ERROR CODE [D198KY] (HOT SHORT IN LOW-TEMPERATURE BYPASS RELAY SYSTEM) ...870
ERROR CODE [DAQ0KK] (CONTROLLER POWER SUPPLY VOLTAGE LOWERED) IS DISPLAYED...871
ERROR CODE [DAQ2KK] (DEFECTIVE SOLENOID POWER SUPPLY SYSTEM) IS DISPLAYED...872
ERROR CODE [DAQ9KQ] (MODEL SELECTION SIGNAL MISMATCH) IS DISPLAYED...873
ERROR CODE [DDK3KA] (RIGHT FNR SWITCH SIGNAL NOT INPUT) IS DISPLAYED...874
ERROR CODE [DDK3KB] (MULTIPLE RIGHT FNR SWITCH SIGNAL INPUT) IS DISPLAYED...876
ERROR CODE [DDK4KA] (JOYSTICK FORWARD/REVERSE SWITCH SIGNAL IS NOT INPUT) IS DISPLAYED...878
ERROR CODE [DDK4KB] (MULTIPLE JOYSTICK FORWARD/REVERSE SWITCH SIGNALS ARE INPUT) IS DISPLAYED...880
ERROR CODE [DDK5LD] (SHORT CIRCUIT WITH POWER SOURCE IN JOYSTICK SHIFT_UP/SHIFT_DOWN SWITCH) IS DISPLAYED...882
ERROR CODE [DDK6KA] (FORWARD-REVERSE LEVER SIGNAL NOT INPUT) IS DISPLAYED...883
ERROR CODE [DDK6KB] (MULTIPLE FORWARD-REVERSE LEVER SIGNAL INPUT) IS DISPLAYED...885
ERROR CODE [DDS5KA] (STEERING PRESSURE SWITCH DISCONNECTED) IS DISPLAYED...887
ERROR CODE [DDS5KB] (STEERING PRESSURE SWITCH GROUNDED) IS DISPLAYED...888
ERROR CODE [DDT0L4] (MANUAL/AUTO-SHIFT SELECTOR SWITCH SELECTION FAILURE) IS DISPLAYED...889
ERROR CODE [DDT4LD] (GROUND FAULT OF TRANSMISSION CUT-OFF SETTING SWITCH) IS DISPLAYED...891
ERROR CODE [DDW9LD] (GROUND FAULT OF KICKDOWN SWITCH SYSTEM) IS DISPLAYED...892
ERROR CODE [DDWLLD] (GROUND FAULT OF HOLD SWITCH SYSTEM) IS DISPLAYED...894
ERROR CODE [DF10KA] (NO INPUT OF GEAR SHIFT LEVER SIGNAL) IS DISPLAYED...895
ERROR CODE [DF10KB] (INPUT OF MULTIPLE GEAR SHIFT LEVER SIGNALS) IS DISPLAYED...897
ERROR CODE [DGF1KX] (TRANSMISSION OIL TEMPERATURE SENSOR SYSTEM FAILURE) IS DISPLAYED...899
ERROR CODE [DGR2KA] (REAR BRAKE OIL TEMPERATURE SENSOR SYSTEM DISCONNECTION) IS DISPLAYED...900
ERROR CODE [DGR2KB] (GROUND FAULT OF REAR BRAKE OIL TEMPERATURE SENSOR SYSTEM) IS DISPLAYED...901
ERROR CODE [DHT1KX] (TRANSMISSION CUT-OFF (LEFT BRAKE PRESSURE SENSOR) SIGNAL DISCONTINUITY) IS DISPLAYED...902
ERROR CODE [DLE2KA] (ENGINE REVOLUTION SENSOR SYSTEM DISCONTINUITY) IS DISPLAYED...903
ERROR CODE [DLE2LC] (ENGINE REVOLUTION SENSOR FAILURE) IS DISPLAYED...904
ERROR CODE [DLT3KA] (SPEED SENSOR (TRANSMISSION OUTPUT SHAFT REVOLUTION) SYSTEM DISCONTINUITY) IS DISPLAYED...905
ERROR CODE [DT20KB] (GROUND FAULT OF BUILT-IN INDICATOR LAMP SYSTEM OF TRANSMISSION CUT-OFF SWITCH) IS DISPLAYED...906
ERROR CODE [DW7BKA] (FAN PUMP REVERSE SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...907
ERROR CODE [DW7BKB] (FAN PUMP REVERSE SOLENOID SYSTEM SHORT-CIRCUITING) IS DISPLAYED...908
ERROR CODE [DW7CKA] (SWITCH PUMP CUT-OFF RELAY DISCONTINUITY) IS DISPLAYED...909
ERROR CODE [DW7CKB] (SWITCH PUMP CUT-OFF RELAY GROUND FAULT) IS DISPLAYED...910
ERROR CODE [DX16KA] (FAN PUMP EPC SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...911
ERROR CODE [DX16KB] (FAN PUMP EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...912
ERROR CODE [DXH1KA] (LOCK-UP CLUTCH_ECMV SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...913
ERROR CODE [DXH1KB] (LOCK-UP CLUTCH_ECMV SOLENOID SYSTEM SHORT-CIRCUITING) IS DISPLAYED...914
ERROR CODE [DXH4KA] (1ST_ECMV SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...915
ERROR CODE [DXH4KB] (1ST_ECMV SOLENOID SYSTEM SHORT-CIRCUITING) IS DISPLAYED...916
ERROR CODE [DXH5KA] (2ND_ECMV SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...917
ERROR CODE [DXH5KB] (2ND_ECMV SOLENOID SYSTEM SHORT-CIRCUITING) IS DISPLAYED...918
ERROR CODE [DXH6KA] (3RD_ECMV SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...919
ERROR CODE [DXH6KB] (3RD_ECMV SOLENOID SYSTEM SHORT-CIRCUITING) IS DISPLAYED...920
ERROR CODE [DXH7KA] (R_ECMV SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...921
ERROR CODE [DXH7KB] (R_ECMV SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...922
ERROR CODE [DXH8KA] (F_ECMV SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...923
ERROR CODE [DXH8KB] (F_ECMV SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...924
ERROR CODE [DXHHKA] (4TH_ECMV SOLENOID SYSTEM DISCONTINUITY) IS DISPLAYED...925
ERROR CODE [DXHHKB] (4TH_ECMV SOLENOID SYSTEM SHORT-CIRCUITING) IS DISPLAYED...926
ERROR CODE [DY30MA] (MOTOR-DRIVEN EMERGENCY STEERING PUMP FAILURE (MALFUNCTION IN MANUAL MODE))...927
ERROR CODE [DY30MC] (MOTOR-DRIVEN EMERGENCY STEERING PUMP FAILURE (MALFUNCTION IN MANUAL MODE))...929
ACTION CODE [TM-1] DISCONTINUITY OR HOT SHORT-CIRCUITING OF KICKDOWN SWITCH SYSTEM...931
ACTION CODE [TM-2] HOLD SWITCH SYSTEM DISCONTINUITY OR HOT SHORT-CIRCUITING...933
ACTION CODE [TM-3] TORQUE CONVERTER LOCK-UP SWITCH SYSTEM FAILURE...935
ACTION CODE [TM-4] NEUTRALIZER SIGNAL (PARKING BRAKE SWITCH SIGNAL) SYSTEM FAILURE...936
ACTION CODE [TM-5] EMERGENCY STEERING SWITCH (MOTOR-DRIVEN EMERGENCY STEERING OPERATION SWITCH) SIGNAL SYSTEM FAILURE...938
ACTION CODE [TM-6] TRANSMISSION CUT-OFF SWITCH SYSTEM DISCONTINUITY OR GROUND FAULT ...940
ACTION CODE [TM-7] TRANSMISSION CUT-OFF SETTING SWITCH SYSTEM DISCONTINUITY OR HOT SHORT-CIRCUITING...941
ACTION CODE [TM-8] TRANSMISSION CUT-OFF (LEFT BRAKE SENSOR) SIGNAL SHORT-CIRCUITING...942
ACTION CODE [TM-9] JOYSTICK SHIFT_UP/SHIFT_DOWN SWITCH SYSTEM FAILURE (DISCONTINUITY OR GROUND FAULT)...943
ACTION CODE [TM-10-a] JOYSTICK ON/OFF CHANGE OVER SWITCH SYSTEM FAILURE...944
ACTION CODE [TM-10-b] STARTING SWITCH "C" (IGN_C) SIGNAL SYSTEM FAILURE...946
ACTION CODE [TM-11] FNR SWITCH MODE CHANGE OVER SWITCH SYSTEM FAILURE...948
ACTION CODE [TM-12] ENGINE POWER MODE SWITCH DISCONTINUITY OR GROUND FAULT...949
ACTION CODE [TM-13] TRAVEL DAMPER NO/OFF SWITCH DISCONTINUITY OR GROUND FAULT...950
ACTION CODE [TM-14] HYDRAULIC FAN REVERSE SWITCH SIGNAL SYSTEM HOT SHORT-CIRCUITING OR DISCONTINUITY...951
ACTION CODE [TM-15] MOTOR-DRIVEN EMERGENCY STEERING RELAY OUTPUT SYSTEM HOT SHORT-CIRCUITING...952
ACTION CODE [TM-16] TRAVEL DAMPER RELAY OUTPUT SYSTEM HOT SHORT-CIRCUITING ...953
ACTION CODE [TM-17] SWITCH PUMP CUT-OFF RELAY OUTPUT SYSTEM HOT SHORT-CIRCUITING...954
ACTION CODE [TM-18] BACK LAMP RELAY OUTPUT SYSTEM HOT SHORT-CIRCUITING...955
ACTION CODE [TM-19] NEUTRAL OUTPUT SYSTEM HOT SHORT-CIRCUITING...956
ACTION CODE [TM-20] FECMV SOLENOID SYSTEM HOT SHORT-CIRCUITING...957
ACTION CODE [TM-21] RECMV SOLENOID SYSTEM HOT SHORT-CIRCUITING...958
ACTION CODE [TM-22] 1ST ECMV SOLENOID SYSTEM HOT SHORT-CIRCUITING...959
ACTION CODE [TM-23] 2ND ECMV SOLENOID SYSTEM HOT SHORT-CIRCUITING...960
ACTION CODE [TM-24] 3RD ECMV SOLENOID SYSTEM HOT SHORT-CIRCUITING...961
ACTION CODE [TM-25] 4TH ECMV SOLENOID SYSTEM HOT SHORT-CIRCUITING...962
ACTION CODE [TM-26] LOCK-UP ECMV SOLENOID SYSTEM HOT SHORT-CIRCUITING...963
ACTION CODE [TM-27] FAN PUMP EPC SOLENOID SYSTEM HOT SHORT-CIRCUITING...964
ACTION CODE [TM-28] FAN REVERSE SOLENOID SYSTEM HOT SHORT-CIRCUITING...965
ACTION CODE [TM-29] SPEED SENSOR (TRANSMISSION OUTPUT SHAFT REVOLUTION) SYSTEM FAILURE...966
ACTION CODE [TM-30] TRAVEL DAMPER SOLENOID SYSTEM DISCONTINUITY OR GROUND FAULT...967
TROUBLESHOOTING OF WORK EQUIPMENT CONTROL SYSTEM (WRK MODE)...968
CONNECTOR TYPES AND MOUNTING LOCATIONS...970
CONNECTOR LAYOUT DRAWING...978
WORK EQUIPMENT CONTROL SYSTEM DIAGRAM...984
ERROR CODE [D193KA] (DEFECTIVE JOYSTICK STEERING CUT RELAY SYSTEM (MAIN SYSTEM DISCONNECTED)) IS DISPLAYED...987
ERROR CODE [D193KB] (THE JOYSTICK SOLENOID CUT RELAY OUTPUT SYSTEM IS GROUNDED PROPERLY) IS DISPLAYED...988
ERROR CODE [DB90KK] (LOWERING WORK EQUIPMENT CONTROLLER POWER SUPPLY) IS DISPLAYED...989
ERROR CODE [DB92KK] (DEFECTIVE SOLENOID ELECTRIC POWER SUPPLY SYSTEM) IS DISPLAYED...990
ERROR CODE [DB95KX] (DEFECTIVE 5V ELECTRIC POWER SUPPLY SYSTEM) IS DISPLAYED...991
ERROR CODE [DD1ALD] (DEFECTIVE REMOTE POSITIONER UP SET SWITCH (GROUND FAULT)) IS DISPLAYED...993
ERROR CODE [DD1BLD] (DEFECTIVE REMOTE POSITIONER DOWN SET SWITCH (GROUND FAULT)) IS DISPLAYED...994
ERROR CODE [DFAOKM] (DEFECTIVE NEUTRAL CAUTION FOR JOYSTICK WORK EQUIPMENT LEVER) IS DISPLAYED...995
ERROR CODE [DK59KA] (DEFECTIVE LIFT ARM EPC LEVER POTENTIOMETER SYSTEM (MAIN CIRCUIT DISCONTINUITY OR GROUND FAULT)) IS DISPLAYED...996
ERROR CODE [DK59KY] (DEFECTIVE LIFT ARM EPC LEVER POTENTIOMETER SYSTEM (MAIN SHORT CIRCUIT)) IS DISPLAYED...997
ERROR CODE [DK59L8] (DEFECTIVE LIFT ARM EPC POTENTIOMETER SYSTEM (DISPLACEMENT OF MAIN AND SUB-CIRCUIT)) IS DISPLAYED...998
ERROR CODE [DK5AKA] (DEFECTIVE LIFT ARM EPC LEVER POTENTIOMETER SYSTEM (DISCONNECTION OF MAIN) (DISCONNECTION, GROUND OF SUB)) IS DISPLAYED...999
ERROR CODE [DK5AKY] (DEFECTIVE LIFT ARM EPC LEVER POTENTIOMETER SYSTEM (SHORT SUB-CIRCUIT)) IS DISPLAYED...1000
ERROR CODE [DK5BKA] (DEFECTIVE BUCKET EPC LEVER POTENTIOMETER SYSTEM (MAIN CIRCUIT DISCONTINUITY OR GROUND FAULT)) IS DISPLAYED...1001
ERROR CODE [DK5BKY] (DEFECTIVE BUCKET EPC LEVER POTENTIOMETER SYSTEM (MAIN CIRCUIT SHORTED)) IS DISPLAYED...1002
ERROR CODE [DK5BL8] (DEFECTIVE INPUT SIGNAL FOR BUCKET EPC LEVER POTENTIOMETER SYSTEM (DISPLACEMENT OF MAIN AND SUB-CIRCUIT)) IS DISPLAYED...1003
ERROR CODE [DK5CKA] (DEFECTIVE BUCKET EPC LEVER POTENTIOMETER SYSTEM (SUB-CIRCUIT DISCONTINUITY OR GROUND FAULT)) IS DISPLAYED...1004
ERROR CODE [DK5CKY] (DEFECTIVE BUCKET EPC LEVER POTENTIOMETER SYSTEM (SHORT SUB-CIRCUIT)) IS DISPLAYED...1005
ERROR CODE [DK5DKA] (DEFECTIVE 3RD VALVE LEVER POTENTIOMETER SYSTEM (MAIN CIRCUIT DISCONTINUITY OR GROUND FAULT)) IS DISPLAYED...1006
ERROR CODE [DK5DKY] (DEFECTIVE 3RD VALVE LEVER POTENTIOMETER SYSTEM (MAIN CIRCUIT SHORT CIRCUIT)) IS DISPLAYED...1007
ERROR CODE [DK5DL8] (DEFECTIVE 3RD VALVE EPC LEVER POTENTIOMETER SYSTEM INPUT SIGNAL (DISPLACEMENT OF MAIN AND SUB-CIRCUIT)) IS DISPLAYED...1008
ERROR CODE [DK5EKA] (DEFECTIVE 3RD VALVE EPC LEVER POTENTIOMETER SYSTEM (SUB-CIRCUIT DISCONTINUITY OR GROUND FAULT)) IS DISPLAYED...1009
ERROR CODE [DK5EKY] (DEFECTIVE 3RD VALVE EPC LEVER POTENTIOMETER SYSTEM (SHORT SUB-CIRCUIT)) IS DISPLAYED...1010
ERROR CODE [DK5FKA] (DEFECTIVE JOYSTICK STEERING EPC LEVER POTENTIOMETER SYSTEM (MAIN CIRCUIT DISCONTINUITY OR GROUND FAULT)) IS DISPLAYED...1011
ERROR CODE [DK5FKY] (DEFECTIVE JOYSTICK STEERING EPC LEVER POTENTIOMETER SYSTEM (MAIN CIRCUIT SHORTED)) IS DISPLAYED...1012
ERROR CODE [DK5FKM] (JOYSTICK STEERING EPC LEVER NEUTRAL SYSTEM CAUTION) IS DISPLAYED...1013
ERROR CODE [DK5FL8] (DEFECTIVE JOYSTICK STEERING EPC LEVER POTENTIOMETER SYSTEM INPUT SIGNAL (DEVIATION OF POSITIONAL SIGNALS OF MAIN AND SUB-CIRCUITS)) IS DISPLAYED...1014
ERROR CODE [DG5GKA] (DEFECTIVE JOYSTICK STEERING EPC LEVER POTENTIOMETER SYSTEM (DISCONNECTION OR GROUND FAULT OF SUB-CIRCUIT)) IS DISPLAYED...1015
ERROR CODE [DK5GKY] (DEFECTIVE JOYSTICK STEERING EPC LEVER POTENTIOMETER SYSTEM (SUB-CIRCUIT SHORT CIRCUIT)) IS DISPLAYED...1016
ERROR CODE [DKA0KA] (DEFECTIVE LIFT ARM ANGLE SENSOR SYSTEM (DISCONNECTION OR GROUND FAULT)) IS DISPLAYED...1017
ERROR CODE [DKA0KY] (DEFECTIVE LIFT ARM ANGLE SENSOR SYSTEM (SHORT CIRCUIT)) IS DISPLAYED...1018
ERROR CODE [DLE2LC] (DEFECTIVE ENGINE SPEED SENSOR SYSTEM) IS DISPLAYED...1019
ERROR CODE [DLT3LC] (DEFECTIVE TRANSMISSION OUTPUT AXIS SPEED SENSOR SYSTEM (DISCONNECTED)) IS DISPLAYED...1020
ERROR CODE [DUM1KB] (REMOTE POSITIONER RAISE LAMP SYSTEM GROUND FAULT) IS DISPLAYED...1021
ERROR CODE [DUM2KB] (REMOTE POSITIONER LOWER LAMP SYSTEM GROUND FAULT) IS DISPLAYED...1022
ERROR CODE [DW4PKA] (DISCONNECTED LIFT ARM RAISE EPC SOLENOID SYSTEM) IS DISPLAYED...1023
ERROR CODE [DW4PKB] (LIFT ARM RAISE EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1024
ERROR CODE [DW4QKA] (DISCONNECTED LIFT ARM LOWER EPC SOLENOID SYSTEM) IS DISPLAYED...1025
ERROR CODE [DW4QKB] (LIFT ARM LOWER EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1026
ERROR CODE [DW4RKA] (DISCONNECTED BUCKET TILT EPC SOLENOID SYSTEM) IS DISPLAYED...1027
ERROR CODE [DW4RKB] (BUCKET TILT EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1028
ERROR CODE [DW4SKA] (BUCKET DUMP EPC SOLENOID SYSTEM DISCONNECTION) IS DISPLAYED...1029
ERROR CODE [DW4SKB] (BUCKET DUMP EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1030
ERROR CODE [DWM1KA] (WORK EQUIPMENT NEUTRAL LOCK SOLENOID SYSTEM DISCONNECTION) IS DISPLAYED...1031
ERROR CODE [DWM1KB] (WORK EQUIPMENT NEUTRAL LOCK SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1032
ERROR CODE [DWN6KA] (LIFT ARM RAISE MAGNET DETENT SYSTEM DISCONNECTION) IS DISPLAYED...1033
ERROR CODE [DWN6KB] (LIFT ARM RAISE MAGNET DETENT SYSTEM GROUND FAULT) IS DISPLAYED...1034
ERROR CODE [DWN7KA] (LIFT ARM FLOATING MAGNET DETENT SYSTEM DISCONNECTION) IS DISPLAYED...1035
ERROR CODE [DWN7KB] (LIFT ARM FLOATING MAGNET DETENT SYSTEM GROUND FAULT) IS DISPLAYED...1036
ERROR CODE [DWN8KA] (BUCKET TILT MAGNET DETENT SYSTEM DISCONNECTION) IS DISPLAYED...1037
ERROR CODE [DWN8KB] (BUCKET TILT MAGNET DETENT SYSTEM FAILURE (POWER SUPPLY SYSTEM GROUND FAULT)) IS DISPLAYED...1038
ERROR CODE [DXHJKA] (3RD VALVE EXTENSION EPC SOLENOID SYSTEM DISCONNECTION) IS DISPLAYED...1039
ERROR CODE [DXHJKB] (3RD VALVE EXTENSION EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1040
ERROR CODE [DXHKKA] (3RD VALVE RETRACTION EPC SOLENOID SYSTEM DISCONNECTION) IS DISPLAYED...1041
ERROR CODE [DXHKKB] (3RD VALVE RETRACTION EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1042
ERROR CODE [DXHLKA] (JOYSTICK STEERING RIGHT-HAND EPC SOLENOID SYSTEM DISCONNECTION) IS DISPLAYED...1043
ERROR CODE [DXHLKB] (JOYSTICK STEERING RIGHT-HAND EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1044
ERROR CODE [DXHMKA] (JOYSTICK STEERING LEFT-HAND EPC SOLENOID SYSTEM DISCONNECTION) IS DISPLAYED...1045
ERROR CODE [DXHMKB] (JOYSTICK STEERING LEFT-HAND EPC SOLENOID SYSTEM GROUND FAULT) IS DISPLAYED...1046
ACTION CODE [WRK-1] DEFECTIVE LIFT ARM LOCK SWITCH SYSTEM...1047
ACTION CODE [WRK-2] DEFECTIVE REMOTE POSITIONER RAISE SETTING SWITCH SYSTEM...1048
ACTION CODE [WRK-3] DEFECTIVE REMOTE POSITIONER LOWER SETTING SWITCH SYSTEM...1049
ACTION CODE [WRK-4] DEFECTIVE REMOTE POSITIONER RAISE SELECTION SWITCH SYSTEM...1051
ACTION CODE [WRK-5] DEFECTIVE REMOTE POSITIONER LOWER ON/OFF SETTING SWITCH SYSTEM...1053
ACTION CODE [WRK-6] DEFECTIVE BUCKET CYLINDER PROXIMITY SWITCH SYSTEM...1055
ACTION CODE [WRK-7] DEFECTIVE BUCKET CYLINDER FULL STROKE DETECTION SWITCH SYSTEM...1057
ACTION CODE [WRK-8] DEFECTIVE SEMI-AUTOMATIC DIGGING HARD SELECTION SWITCH SYSTEM...1058
ACTION CODE [WRK-9] DEFECTIVE SEMI-AUTOMATIC DIGGING SOFT SELECTION SWITCH SYSTEM...1059
ACTION CODE [WRK-10] DEFECTIVE JOYSTICK ON/OFF SWITCH SYSTEM...1060
ACTION CODE [WRK-11] DEFECTIVE JOYSTICK STEERING SPEED HI/LO SWITCH SYSTEM...1062
ACTION CODE [WRK-12] DEFECTIVE JOYSTICK SOLENOID CUT RELAY OUTPUT SYSTEM...1063
ACTION CODE [WRK-13] HOT SHORT-CIRCUITED LIFT ARM RAISE MAGNET DETENT OUTPUT SYSTEM...1064
ACTION CODE [WRK-14] HOT SHORT-CIRCUITED LIFT ARM FLOATING MAGNET DETENT OUTPUT SYSTEM...1065
ACTION CODE [WRK-15] HOT SHORT-CIRCUITED BUCKET TILT MAGNET DETENT OUTPUT SYSTEM...1066
ACTION CODE [WRK-16] HOT SHORT-CIRCUITED WORK EQUIPMENT NEUTRAL LOCK SOLENOID OUTPUT SYSTEM...1067
ACTION CODE [WRK-17] HOT SHORT-CIRCUITED LIFT ARM RAISE EPC SOLENOID SYSTEM...1068
ACTION CODE [WRK-18] HOT SHORT-CIRCUITED LIFT ARM LOWER EPC SOLENOID SYSTEM...1069
ACTION CODE [WRK-19] HOT SHORT-CIRCUITED BUCKET TILT EPC SOLENOID SYSTEM...1070
ACTION CODE [WRK-20] HOT SHORT-CIRCUITED BUCKET DUMP EPC SOLENOID SYSTEM...1071
ACTION CODE [WRK-21] HOT SHORT-CIRCUITED 3 VALVES EXTENSION EPC SOLENOID SYSTEM...1072
ACTION CODE [WRK-22] HOT SHORT-CIRCUITED 3 VALVES RETRACTION EPC SOLENOID SYSTEM...1073
ACTION CODE [WRK-23] HOT SHORT-CIRCUITED JOYSTICK STEERING RIGHT EPC SOLENOID SYSTEM...1074
ACTION CODE [WRK-24] HOT SHORT-CIRCUITED JOYSTICK STEERING LEFT EPC SOLENOID SYSTEM...1075
ACTION CODE [WRK-25] DEFECTIVE BUCKET POSITIONER,LIFT ARM KICK-OUT AND FLOATING HOLDING FUNCTION...1076
ACTION CODE [WRK-26] DEFECTIVE LIFT ARM KICK-OUT FUNCTION AND CANCELLATION...1078
ACTION CODE [WRK-27] DEFECTIVE BUCKET LEVELER FUNCTION AND CANCELLATION...1080
ACTION CODE [WRK-28] DEFECTIVE LIFT ARM FLOATING HOLDING AND CANCELLATION...1082
TROUBLESHOOTING OF MONITOR SYSTEM (MON MODE)...1084
CONNECTOR TYPES AND MOUNTING LOCATIONS...1086
CONNECTOR LAYOUT DRAWING...1094
MONITOR SYSTEM DIAGRAM...1100
ERROR CODE [2F00MA] DEFECTIVE PARKING BRAKE SYSTEM...1104
ERROR CODE [2G42ZG] ACCUMULATOR OIL PRESSURE (FRONT CIRCUIT) LOW...1106
ERROR CODE [2G43ZG] ACCUMULATOR OIL PRESSURE (REAR BRAKE CIRCUIT) LOW...1107
ERROR CODE [AA1ANX] AIR CLEANER 1 CLOGGED...1108
ERROR CODE [AB00L6] DEFECTIVE BATTERY CHARGING CIRCUIT (ALTERNATOR TERMINAL R SIGNAL DETECTED WHEN ENGINE STOPPED...1110
ERROR CODE [AB00MA] DEFECTIVE BATTERY CHARGING CIRCUIT (NO ALTERNATOR TERMINAL R SIGNAL DETECTED,DETECTION FAILURE)...1111
ERROR CODE [B@BAZG] ENGINE OIL PRESSURE LOW...1112
ERROR CODE [B@BAZK] ENGINE OIL LEVEL LOW...1113
ERROR CODE [B@BCNS] ENGINE WATER TEMPERATURE OVERHEATING...1114
ERROR CODE [B@BCZK] ALARM INDICATING LOW COOLANT LEVEL...1115
ERROR CODE [B@HANS] HYDRAULIC OIL TEMPERATURE OVERHEATING...1116
ERROR CODE [B@CENS] TORQUE CONVERTER OIL TEMPERATURE OVERHEATING...1117
ERROR CODE [D182KZ] THE PREHEATER RELAY COIL IS DISCONNECTED OR SHIRT-CIRCUITED...1118
ERROR CODE [D5ZHL6] STARTING SWITCH C (IGN""C"") INPUT FAILURE...1120
ERROR CODE [DA80L4] AUTO GREASE INPUT FAILURE...1121
ERROR CODE [DAF3KK] SW POWER SUPPLY (FOR OPERATION) = ON AND NSW POWER SUPPLY (FOR MEMORY) = OFF...1122
ERROR CODE [DAF5KP] 5-V POWER SUPPLY OUTPUT FAILURE...1124
ERROR CODE [DAF6KP] 24-V POWER SUPPLY OUTPUT FAILURE...1125
ERROR CODE [DAFBKM] WRONG INFORMATION ON MODEL SELECTION...1127
ERROR CODE [DAFSKQ] WRONG INFORMATION ON METER DISPLAY SELECTION...1128
ERROR CODE [DAQSKR] S-NET COMMUNICATION FAILURE (BETWEEN MONITOR PANEL AND TRANSMISSION CONTROLLER) ...1129
ERROR CODE [DB2SKR] S-NET COMMUNICATION FAILURE (BETWEEN MONITOR PANEL AND ENGINE CONTROLLER) ...1130
ERROR CODE [DBQSKR] S-NET COMMUNICATION FAILURE (BETWEEN MONITOR PANEL AND WORK EQUIPMENT CONTROLLER) ...1131
ERROR CODE [DB9SKR] S-NET COMMUNICATION FAILURE (BETWEEN MONITOR PANEL AND WORK EQUIPMENT CONTROLLER) ...1132
ERROR CODE [DD15LD] MONITOR PANEL MODE SELECTOR SWITCH 1 [■] (PANEL SW1) INPUT ERROR...1133
ERROR CODE [DD16LD] MONITOR PANEL MODE SELECTOR SWITCH 1 [◇] (PANEL SW2) INPUT ERROR...1134
ERROR CODE [DD17LD] THE MONITOR PANEL MODE SELECTOR SWITCH 2 [<] (PANEL SW3) INPUT CIRCUIT REMAINS CLOSED FOR MORE THAN ONE MINUTE...1135
ERROR CODE [DD18LD] MONITOR PANEL MODE SELECTOR SWITCH 2 [>] (PANEL SW4) INPUT ERROR...1136
ERROR CODE [DD1CLD] SUB-TOTAL SWITCH FAILURE...1137
ERROR CODE [DDS5L6] DECREASED STEERING OIL PRESSURE...1138
ERROR CODE [DDY0LD] CANCEL SWITCH FAILURE...1139
ERROR CODE [DGE2KX] ENGINE WATER TEMPERATURE SENSOR SYSTEM FAILURE...1140
ERROR CODE [DGE3L6] ABNORMAL CONNECTION OF ENGINE WATER TEMPERATURE (LOW TEMPERATURE) SENSOR SYSTEM...1141
ERROR CODE [DGH2KX] HYDRAULIC OIL TEMPERATURE SENSOR SYSTEM FAILURE...1142
ERROR CODE [DGT1KX] TORQUE CONVERTER OIL TEMPERATURE SENSOR SYSTEM FAILURE...1143
ERROR CODE [DHE4L6] ENGINE OIL PRESSURE SENSOR SYSTEM FAILURE...1144
ERROR CODE [DHPCKX] BOTTOM PRESSURE SENSOR FAILURE...1145
ERROR CODE [DHPDKX] HEAD PRESSURE SENSOR FAILURE...1147
ERROR CODE [DKA0KX] LIFT ARM ANGLE SENSOR FAILURE...1149
ERROR CODE [DV00KB] SHORT-CIRCUITED ALARM BUZZER OUTPUT SYSTEM...1150
ERROR CODE [DY30ME] THE EMERGENCY STEERING REMAINS ACTUATED FOR MORE THAN ONE MINUTE...1151
ACTION CODE [MON-1] THE PARKING BRAKE INDICATOR LAMP DOES NOT LIGHT UP WHEN THE PARKING BRAKE SWITCH IS TURNED ON (THE PARKING BRAKE INDICATOR SWITCH CIRCUIT SUFFERS A GROUND FAULT)...1153
ACTION CODE [MON-2] THE BRAKE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP WHEN THE EMERGENCY BRAKE IS APPLIED (FRONT CIRCUIT)...1155
ACTION CODE [MON-3] THE BRAKE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP WHEN THE EMERGENCY BRAKE IS APPLIED (REAR CIRCUIT)...1156
ACTION CODE [MON-4] THE AIR CLEANER CLOGGING INDICATOR LAMP DOES NOT LIGHT ON...1157
ACTION CODE [MON-5] THE ENGINE HYDRAULIC CAUTION LAMP DOES NOT LIGHT ON...1159
ACTION CODE [MON-6] THE ENGINE OIL LEVEL CAUTION LAMP DOES NOT LIGHT ON...1160
ACTION CODE [MON-7] THE ENGINE WATER TEMPERATURE CAUTION LAMP DOES NOT LIGHT ON...1161
ACTION CODE [MON-8] THE RADIATOR WATER VOLUME CAUTION LAMP DOES NOT LIGHT ON...1162
ACTION CODE [MON-9] THE HYDRAULIC OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT ON...1163
ACTION CODE [MON-10] THE TORQUE CONVERTER OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT ON...1164
ACTION CODE [MON-11] THE STEERING HYDRAULIC CAUTION LAMP DOES NOT LIGHT ON...1165
ACTION CODE [MON-12] INPUT FAULT IN MONITOR PANEL MODE SWITCH 1 [■] (PANEL SW1)...1166
ACTION CODE [MON-13] INPUT FAULT IN MONITOR PANEL MODE SWITCH 1 [◇] (PANEL SW2)...1167
ACTION CODE [MON-14] INPUT FAULT IN MONITOR PANEL MODE SWITCH 2 [<] (PANEL SW3)...1168
ACTION CODE [MON-15] INPUT FAULT IN MONITOR PANEL MODE SWITCH 2 [>] (PANEL SW4)...1169
ACTION CODE [MON-16] DEFECTIVE SUBTOTAL SWITCH...1170
ACTION CODE [MON-17] DEFECTIVE CANCEL SWITCH...1171
ACTION CODE [MON-18] DEFECTIVE BOTTOM PRESSURE SENSOR (HOT SHORT FAULT)...1172
ACTION CODE [MON-19] DEFECTIVE HEAD SENSOR...1173
ACTION CODE [MON-20] THE ALARM BUZZER DOES NOT SOUND OR STOP (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN BUZZER OUTPUT SYSTEM)...1174
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)...1175
H-1 THE MACHINE DOES NOT START...1176
H-2 THE LOCK-UP CLUTCH IS NOT RELEASED (THE ENGINE STOPS) (WHEN THE LOCK-UP CLUTCH IS PROVIDED)...1178
H-3a THE TRAVEL SPEED IS SLOW, THE THRUSTING FORCE IS WEAK,THE UPHILL TRAVELING POWER IS WEAK, AND THE GEAR IS NOT SHIFTED...1179
H-3b THE TORQUE CONVERTER LOCK-UP CLUTCH IS NOT LET IN (IF THE LOCK-UP CLUTCH IS EQUIPPED)...1181
H-4 SHOCKS ARE LARGE AT THE TIMES OF STARTING AND SHIFTING GEAR...1182
H-5 TIME LAG IS LARGE AT THE TIMES OF STARTING AND SHIFTING GEAR...1184
H-6 THE TORQUE CONVERTER OIL TEMPERATURE IS HIGH...1186
H-7 THE STEERING WHEEL DOES NOT TURN...1187
H-8 THE STEERING WHEEL IS HEAVY...1188
H-9 THE STEERING WHEEL FLUCTUATES OR IS STRONGLY SHOCKED...1189
H-10 THE MACHINE STEERS TO ONE SIDE WHEN TRAVELING...1189
H-11 THE RIGHT AND LEFT SWING RADII ARE DIFFERENT...1189
H-12 THE BRAKE DOES NOT WORK OR DOES NOT WORK WELL...1190
H-13 THE BRAKE IS NOT RELEASED OR IS DRAGGED...1191
H-14 THE PARKING BRAKE IS NOT RELEASED OR IS DRAGGED...1192
H-15 THE LIFT ARM DOES NOT RISE...1193
H-16 THE LIFT ARM MOVES SLOWLY OR THE LIFT ARM RISING FORCE IS INSUFFICIENT...1194
H-17 WHEN RISING,THE LIFT ARM COMES TO MOVE SLOWLY AT SPECIFIC HEIGHT...1195
H-18 THE LIFT ARM CYLINDER CANNOT HOLD DOWN THE BUCKET (THE BUCKET RISES IN THE AIR)...1195
H-19 HYDRAULIC DRIFTS OF THE LIFT ARM OCCUR OFTEN...1195
H-20 THE LIFT ARM WOBBLES DURING OPERATION...1195
H-21 WHEN THE CONTROL LEVER IS SWITCHED FROM "HOLD" TO "RAISE",THE LIFT ARM FALLS TEMPORARILY...1196
H-22 THE BUCKET DOES NOT TILT BACK...1197
H-23 THE BUCKET MOVES SLOWLY OR THE TILTING-BACK FORCE IS INSUFFICIENT...1198
H-24 THE BUCKET COMES TO OPERATE SLOWLY IN HE MIDST OF TILTING-BACK...1199
H-25 THE BUCKET CYLINDER CANNOT HOLD DOWN THE BUCKET...1199
H-26 HYDRAULIC DRIFTS OF THE BUCKET OCCUR OFTEN...1199
H-27 THE BUCKET WOBBLES DURING TRAVEL WITH LOAD (THE WORK EQUIPMENT VALVE IS SET TO "HOLD")...1200
H-28 WHEN THE CONTROL LEVER IS SWITCHED FROM "HOLD" TO "TILT",THE BUCKET FALLS TEMPORARILY...1200
H-29 THE CONTROL LEVERS OF LIFT ARM AND BUCKET DO NOT MOVE SMOOTHLY AND HEAVY...1201
H-30 ECSS (TRAVEL DAMPER) DOES NOT WORK, AND THERE IS PITCING AND BOUNCING...1202
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)...1203
CONNECTOR TYPES AND MOUNTING LOCATIONS...1204
CONNECTOR LAYOUT DRAWING...1212
ELECTRICAL SYSTEM DIAGRAM...1218
ACTION CODE [E-1-a] (THE ENGINE DOES NOT START. (STARTING SYSTEM))...1219
ACTION CODE [E-1-b] (THE ENGINE DOES NOT START.(ENGINE STOP SOLENOID SYSTEM))...1223
ACTION CODE [E-2] (THE ENGINE DOES NOT STOP)...1225
ACTION CODE [E-3] (PREHEATING IS IMPOSSIBLE OR STAYS OPERATED)...1227
ACTION CODE [E-4] (THE ENGINE POWER MODES CANNOT BE SELECTED)...1229
ACTION CODE [E-5] (ALL OF THE BUCKET POSITIONER, LIFT ARM KICK-OUT, AND FLOATING HOLDER DO NOT FUNCTION)...1231
ACTION CODE [E-6] (THE LIFT ARM KICK-OUT DOES NOT FUNCTION OR CANNOT BE RELEASED)...1233
ACTION CODE [E-7] (THE BUCKET POSITIONER DOES NOT FUNCTION OR CANNOT BE RELEASED)...1235
ACTION CODE [E-8] (THE LIFT ARM FLOATING HOLDER DOES NOT FUNCTION OR CANNOT BE RELEASED)...1237
ACTION CODE [E-9] (THE FRONT WIPER DOES NOT FUNCTION)...1238
ACTION CODE [E-10] (THE REAR WIPER DOES NOT FUNCTION)...1241
ACTION CODE [E-11] (THE SIDE WIPER DOES NOT FUNCTION (OPT))...1242
ACTION CODE [E-12] (THE WIND WASHER DOES NOT FUNCTION)...1243
ACTION CODE [E-13] (THE HEADLAMP (LO BEAM) DOES NOT LIGHT ON)...1246
ACTION CODE [E-14] (THE HEADLAMP (HI BEAM) DOES NOT LIGHT ON)...1249
ACTION CODE [E-15] (THE CLEARANCE LAMP DOES NOT LIGHT ON (SMALL LAMP))...1251
ACTION CODE [E-16] (THE TURN SIGNAL DOES NOT BLINK)...1252
ACTION CODE [E-17] (THE HORN DOES NOT SOUND)...1254
ACTION CODE [E-18] (THE AIR CONDITIONER DOES NOT WORK OR DOES NOT STOP)...1256
TROUBLESHOOTING OF ENGINE (S MODE)...1259
METHOD OF USING TROUBLESHOOTING CHARTS...1260
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)...1264
S-2 ENGINE DOES NOT START...1265
(1) ENGINE DOES NOT TURN...1265
(2) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)...1266
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)...1267
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)...1268
S-4 ENGINE STOPS DURING OPERATIONS...1269
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...1270
S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)...1271
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...1272
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)...1273
S-9 OIL BECOMES CONTAMINATED QUICKLY...1274
S-10 FUEL CONSUMPTION IS EXCESSIVE...1275
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN...1276
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)...1277
S-13 OIL LEVEL RISES (COOLANT, FUEL IN OIL)...1278
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)...1279
S-15 ABNORMAL NOISE IS MADE...1280
S-16 VIBRATION IS EXCESSIVE...1281
30 DISASSEMBLY AND ASSEMBLY...1282
METHOD OF USING MANUAL...1283
PRECAUTIONS WHEN CARRYING OUT OPERATION...1284
SPECIAL TOOL LIST...1287
REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY...1303
REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY...1307
REMOVAL AND INSTALLATION OF RADIATOR AND FAN MOTOR ASSEMBLY...1312
REMOVAL AND INSTALLATION OF AFTERCOOLER ASSEMBLY...1314
REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP...1314
REMOVAL AND INSTALLATION OF NOZZLE HOLDER ASSEMBLY...1317
REMOVAL AND INSTALLATION OF FAN AND FAN MOTOR ASSEMBLY...1319
REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY...1320
REMOVAL AND INSTALLATION OF PARKING BRAKE DISC PLATE...1322
REMOVAL AND INSTALLATION OF TORQUE CONVERTER AND TRANSMISSION ASSEMBLY...1325
DISASSEMBLY AND ASSEMBLY OF TRANSMISSION ASSEMBLY...1329
DISASSEMBLY AND ASSEMBLY OF TRANSMISSION CLUTCH PACK ASSEMBLY...1341
DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE ASSEMBLY...1356
DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER ASSEMBLY (STANDARD SPECIFICATION)...1364
DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER ASSEMBLY (LOCK-UP SPECIFICATION)...1368
REMOVAL AND INSTALLATION OF REAR AXLE ASSEMBLY...1374
REMOVAL AND INSTALLATION OF FRONT AXLE ASSEMBLY...1377
DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY...1378
DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL ASSEMBLY...1388
REMOVAL AND INSTALLATION OF CENTER HINGE PIN...1408
REMOVAL AND INSTALLATION OF CAB ASSEMBLY...1415
REMOVAL AND INSTALLATION OF CAB AND FLOOR FRAME ASSEMBLY...1416
REMOVAL AND INSTALLATION OF OPERATOR'S CAB GLASS (STUCK GLASS)...1419
REMOVAL AND INSTALLATION OF TRANSMISSION, WORK EQUIPMENT, AND PPC PUMP ASSEMBLY...1427
REMOVAL AND INSTALLATION OF STEERING, SWITCHING, AND FAN PUMP ASSEMBLY...1428
REMOVAL AND INSTALLATION OF STEERING DEMAND VALVE ASSEMBLY...1429
REMOVAL AND INSTALLATION OF TRAVEL DUMPER VALVE ASSEMBLY...1430
REMOVAL AND INSTALLATION OF WORK EQUIPMENT VALVE ASSEMBLY...1431
DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY (STEERING, LIFT, AND BUCKET CYLINDER ASSEMBLY)...1433
REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY...1441
REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY...1443
REMOVAL AND INSTALLATION OF COUNTER WEIGHT...1447
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT...1448
REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY...1451
DISASSEMBLY, ASSEMBLY OF OPERATOR'S SEAT ASSEMBLY...1452
90 OTHERS...1462
POWER TRAIN OIL CIRCUIT DIAGRAM (WITHOUT TORQUE CONVERTER LOCKUP CLUTCH)...1463
POWER TRAIN OIL CIRCUIT DIAGRAM (WITH TORQUE CONVERTER LOCKUP CLUTCH)...1464
BRAKE OIL CIRCUIT DIAGRAM...1465
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM...1466
ELECTRICAL CIRCUIT DIAGRAM...1467
1/8 (1/4)...1467
1/8 (2/4)...1468
1/8 (3/4)...1469
1/8 (4/4)...1470
2/8 (1/4)...1471
2/8 (2/4)...1472
3/8 (3/4)...1473
4/8 (4/4)...1474
3/8...1475
4/8...1476
5/8...1477
6/8...1478
7/8...1479
8/8...1480
SEBM04240106 - Wheel Loader WA400-1 Shop Manual...1481
COVER...1481
CONTENTS...1482
01 GENERAL...1495
GENERAL VIEW...1496
GENERAL ASSEMBLY DRAWING...1497
SPECIFICATIONS...1498
ENGINE ASSEMBLY DRAWING...1501
ENGINE SPECIFICATIONS...1502
WEIGHT TABLE...1503
TABLE OF OIL AND COOLANT QUANTITIES...1504
LOCATION OF SERIAL NUMBERS...1505
10 ENGINE...1506
11 STRUCTURE AND FUNCTION...1506
ENGINE MOUNT...1507
RADIATOR...1508
FUEL TANK AND PIPING...1509
ENGINE CONTROL...1510
12 TESTING AND ADJUSTING...1511
STANDARD VALUE TABLE...1512
TOOL LIST FOR TESTING AND ADJUSTING...1513
ADJUSTING VALVE CLEARANCE...1514
MEASURING COMPRESSION PRESSURE...1515
TESTING AND ADJUSTING FUEL INJECTION TIMING...1516
MEASURING ENGINE OIL PRESSURE AND TEMPERATURE...1518
MEASURING BLOW-BY PRESSURE...1519
TESTING AND ADJUSTING FAN BELT TENSION...1520
MEASURING EXHAUST GAS COLOR...1521
MEASURING ACCELERATOR PEDAL OPERATING FORCE AND OPERATING ANGLE...1522
ADJUSTING FUEL CUT SOLENOID...1524
13 DISASSEMBLY AND ASSEMBLY...1525
STARTING MOTOR ASSEMBLY...1526
REMOVAL ...1526
INSTALLATION...1526
ALTERNATOR ASSEMBLY...1527
REMOVAL...1527
INSTALLATION...1527
FUEL INJECTION PUMP ASSEMBLY...1528
REMOVAL...1528
INSTALLATION...1528
WATER PUMP ASSEMBLY...1529
REMOVAL ...1529
INSTALLATION...1529
NOZZLE HOLDER ASSEMBLY...1530
REMOVAL ...1530
INSTALLATION...1530
CYLINDER HEAD ASSEMBLY...1531
REMOVAL...1531
INSTALLATION...1538
TURBOCHARGER ASSEMBLY...1546
REMOVAL ...1546
INSTALLATION...1546
COMPRESSOR ASSEMBLY...1547
REMOVAL ...1547
INSTALLATION...1547
AFTER-COOLER...1548
REMOVAL...1548
INSTALLATION...1550
RADIATOR ASSEMBLY...1552
REMOVAL...1552
INSTALLATION...1555
OIL COOLER ASSEMBLY...1557
REMOVAL ...1557
INSTALLATION...1557
ENGINE ASSEMBLY...1558
REMOVAL ...1558
INSTALLATION...1565
FUEL TANK ASSEMBLY...1572
REMOVAL...1572
INSTALLATION...1574
20 POWER TRAIN...1576
21 STRUCTURE AND FUNCTION...1576
GENERAL ...1577
HYDRAULIC CIRCUIT FOR POWER TRAIN...1579
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN...1580
TORQUE CONVERTER AND TRANSMISSION PIPING...1581
TORQUE CONVERTER CHARGING PUMP...1582
TORQUE CONVERTER...1583
TORQUE CONVERTER OIL FILTER...1586
TORQUE CONVERTER OIL COOLER...1587
TORQUE CONVERTER RELIEF VALVE...1588
TRANSMISSION...1589
TRANSMISSION CONTROL VALVE...1597
SOLENOID VALVE...1598
UPPER VALVE...1599
LOWER VALVE...1600
TRANSMISSION SOLENOID VALVE...1601
EMERGENCY MANUAL SPOOL...1602
PRIORITY VALVE...1605
MODULATING VALVE AND QUICK RETURN VALVE...1606
ACCUMULATOR VALVE...1609
PILOT REDUCING VALVE...1611
TRANSMISSION PILOT FILTER...1612
TRANSFER...1613
DRIVE SHAFT...1614
AXLE MOUNT...1615
AXLE AND DIFFERETIAL...1617
TORQUE PROPORTIONING DIFFERENTIAL...1620
FINAL DRIVE...1621
TIRE AND WHEEL...1624
22 TESTING AND ADJUSTING...1625
STANDARD VALUE TABLE...1626
TOOL LIST FOR TESTING AND ADJUSTING...1627
MEASURING ENGINE STALL SPEED...1628
MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION...1630
MEASURING SHIFT LEVER...1632
METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL...1633
TIRE AND WHEEL ...1635
TROUBLESHOOTING...1636
PRECAUTIONS WHEN TROUBLESHOOTING...1637
METHOD OF READING TROUBLESHOOTING TABLE...1639
PREVENTING RECURRENCE OF TROUBLE...1641
METHOD OF LOCATING MAIN PROBLEM POINTS WHEN TROUBLESHOOTING TRANSMISSION SYSTEM...1642
TROUBLESHOOTING TABLE...1643
1. MACHINE DOES NOT MOVE ...1643
2. MACHINE LACKS POWER OR SPEED...1645
3. EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR...1646
4. TORQUE CONVERTER OIL TEMPERATURE TOO HIGH...1647
23 DISASSEMBLY AND ASSEMBLY...1648
TORQUE CONVERTER CHARGING PUMP...1649
REMOVAL...1649
INSTALLATION...1650
TORQUE CONVERTER,TRANSMISSION,TRANSFER ASSEMBLY...1651
REMOVAL ...1651
INSTALLATION...1660
TORQUE CONVERTER ASSEMBLY...1668
DISASSEMBLY...1668
ASSEMBLY...1673
TRANSMISSION ASSEMBLY...1679
DISASSEMBLY...1679
ASSEMBLY...1694
TRANSFER ASSEMBLY...1709
DISASSEMBLY...1709
ASSEMBLY...1712
TRANSMISSION CONTROL VALVE...1719
REMOVAL ...1719
INSTALLATION...1720
LOWER VALVE...1721
DISASSEMBLY...1721
ASSEMBLY...1721
UPPER VALVE...1723
DISASSEMBLY...1723
ASSEMBLY...1723
FRONT DIFFERENTIAL...1725
REMOVAL...1725
INSTALLATION...1728
REAR DIFFERENTIAL...1731
REMOVAL...1731
INSTALLATION...1732
DIFFERENTIAL...1733
DISASSEMBLY...1733
ASSEMBLY...1736
FRONT AXLE...1744
REMOVAL...1744
INSTALLATION...1746
REAR AXLE ...1748
REMOVAL...1748
INSTALLATION...1752
DRIVE SHAFT...1756
DISASSEMBLY...1756
ASSEMBLY ...1758
FINAL DRIVE...1760
DISASSEMBLY...1760
ASSEMBLY...1763
24 MAINTENANCE STANDARD...1767
TRANSMISSION AND ENGINE MOUNT...1768
TORQUE CONVERTER CHARGING PUMP...1769
TORQUE CONVERTER...1770
TORQFLOW TRANSMISSION...1772
1. TRANSMISSION...1772
2. TRANSMISSION CONTROL VALVE...1774
3. SOLENOID VALVE...1778
TRANSFER...1779
DIFFERENTIAL...1781
FINAL DRIVE...1783
DRIVE SHAFT...1784
AXLE MOUNT...1785
40 STEERING SYSTEM...1787
41 STRUCTURE AND FUNCTION...1787
GENERAL...1788
HYDRAULIC CIRCUIT FOR STEERING...1790
HYDRAULIC CIRCUIT DIAGRAM FOR STEERING...1791
OPERATIONS OF STEERING VALVE...1792
STEERING CONTROL SYSTEM...1794
STEERING VALVE...1794
STEERING RELIEF VALVE...1796
SAFETY VALVE (WITH SUCTION VALVE)...1797
OPERATION OF DEMAND SPOOL...1798
TWO-WAY RESTRICTOR VALVE...1800
STEERING CYLINDER...1801
STEERING COLUMN AND GEAR BOX...1802
STEERING LINKAGE...1803
CENTER HINGE PIN...1804
EMERGENCY STEERING PUMP (IF EQUIPPED)...1805
DIVERTER VALVE (IF EQUIPPED)...1806
SECURITY VALVE (IF EQUIPPED)...1809
42 TESTING AND ADJUSTING...1812
STANDARD VALUE TABLE...1813
TOOL LIST FOR TESTING AND ADJUSTING...1813
MEASURING STEERING WHEEL PLAY...1814
MEASURING OPERATING FORCE OF STEERING WHEEL...1815
OPERATING TIME OF STEERING WHEEL...1816
TESTING STEERING LINKAGE...1817
ADJUSTING STEERING LINKAGE...1818
STEERING OIL PRESSURE...1819
TROUBLESHOOTING...1820
TROUBLESHOOTING TABLE...1821
1. STEERING WHEEL DOES NOT TURN...1821
2. STEERING WHEEL IS SLUGGISH...1822
3. STEERING WHEEL MOVES UNSTEADILY OR IS SUBJECTED TO LARGE SHOCK...1823
4. MACHINE TENDS TO TURN NATURALLY IN ONE PARTICULAR DIRECTION WHEN TRAVELING...1823
5. LEFT AND RIGHT TURNING RADII ARE DIFFERENT...1823
43 DISASSEMBLY AND ASSEMBLY...1824
STEERING GEAR...1825
REMOVAL...1825
INSTALLATION...1826
DISASSEMBLY...1827
ASSEMBLY...1828
STEERING VALVE...1831
REMOVAL...1831
INSTALLATION...1833
DISASSEMBLY...1835
ASSEMBLY...1835
STEERING CYLINDER...1837
REMOVAL...1837
INSTALLATION...1838
DISASSEMBLY...1839
ASSEMBLY...1841
CENTER HINGE PIN...1844
REMOVAL...1844
INSTALLATION...1852
44 MAINTENANCE STANDARD...1861
STEERING LINKAGE...1862
STEERING COLUMN AND GEAR BOX...1864
STEERING VALVE...1865
STEERING CYLINDER MOUNT...1866
STEERING CYLINDER...1867
CENTER HINGE PIN...1868
DIVERTER VALVE (IF EQUIPPED)...1870
EMERGENCY STEERING PUMP (IF EQUIPPED)...1872
SECURITY VALVE (IF EQUIPPED)...1873
50 BRAKE AND AIR SYSTEM...1874
51 STRUCTURE AND FUNCTION...1874
GENERAL...1875
AIR TANK...1877
SAFETY VALVE...1877
BRAKE VALVE...1878
BRAKE ACTUATED...1879
OPERATING IN BALANCE...1880
BRAKE RELEASED...1881
AIR GOVERNOR...1882
TWO-WAY VALVE...1884
BRAKE CHAMBER...1885
SLACK ADJUSTER...1887
BRAKE...1890
PARKING BRAKE...1892
PARKING BRAKE SOLENOID VALVE...1894
SPRING CYLINDER...1895
BRAKE CALIPER...1896
52 TESTING AND ADJUSTING...1897
STANDARD VALUE TABLE...1898
TOOL LIST FOR TESTING AND ADJUSTING...1899
MEASURING BRAKE PEDAL...1900
MEASURING AIR...1901
BRAKE PERFORMANCE...1904
CHECKING BRAKE OIL PRESSURE...1905
MEASURING WEAR OF BRAKE DISC...1906
AIR BLEEDING FROM BRAKE LINE...1907
PARKING BRAKE PERFORMANCE...1908
CHECKING AND ADJUSTING PARKING BRAKE...1909
TROUBLESHOOTING...1911
TROUBLESHOOTING TABLE...1912
1. AIR PRESSURE DOES NOT RISE AT ALL...1912
2. AIR PRESSURE DOES NOT RISE TO THE SPECIFIED RANGE...1913
3. BRAKE IS INEFFECTIVE OR NOT VERY EFFECTIVE...1914
4. BRAKE DOES NOT RELEASE, OR DRAGS...1915
5. PARKING BRAKE DOES NOT RELEASE, OR DRAGS. (APPLIES TO MACHINES EQUIPPED WITH AIR PARKING BRAKE.)...1916
53 DISASSEMBLY AND ASSEMBLY...1917
AIR GOVERNOR...1918
DISASSEMBLY...1918
ASSEMBLY...1919
BRAKE VALVE...1920
REMOVAL...1920
INSTALLATION...1921
DISASSEMBLY...1922
ASSEMBLY...1924
BRAKE CHAMBER...1926
REMOVAL...1926
INSTALLATION...1928
DISASSEMBLY...1929
ASSEMBLY...1932
SLACK ADJUSTER...1935
REMOVAL...1935
INSTALLATION...1935
DISASSEMBLY...1936
ASSEMBLY...1937
BRAKE ASSEMBLY...1938
DISASSEMBLY...1938
ASSEMBLY...1945
SPRING CYLINDER...1953
REMOVAL...1953
INSTALLATION...1954
DISASSEMBLY...1955
ASSEMBLY...1957
PARKING BRAKE...1959
REMOVAL...1959
INSTALLATION...1961
PARKING BRAKE PAD...1963
REMOVAL...1963
INSTALLATION...1964
54 MAINTENANCE STANDARD...1965
BRAKE VALVE...1966
BRAKE CHAMBER...1968
SLACK ADJUSTER...1969
BRAKE...1970
PARKING BRAKE...1972
SPRING CYLINDER...1973
60 WORK EQUIPMENT SYSTEM...1974
61 STRUCTURE AND FUNCTION...1974
GENERAL...1975
HYDRAULIC CIRCUIT SYSTEM...1977
HYDRAULIC CIRCUIT DIAGRAM...1978
BUCKET LINKAGE...1980
BUCKET POSITIONER AND BOOM KICK-OUT...1982
HYDRAULIC TANK...1984
OIL FILTER BYPASS VALVE...1985
BREATHER...1985
HYDRAULIC AND STEERING PUMPS...1986
MAIN CONTROL VALVE...1987
RELIEF VALVE...1997
SAFETY VALVE (WITH SUCTION VALVE)...1998
SUCTION VALVE...1999
HYDRAULIC CYLINDER...2000
62 TESTING AND ADJUSTING...2002
STANDARD VALUE TABLE...2003
TOOL LIST FOR TESTING AND ADJUSTING...2004
MEASURING DUMP AND LIFT CONTROL LEVERS...2005
ADJUSTING DUMP AND LIFT CONTROL LEVERS...2006
MEASURING HYDRAULIC PRESSURE...2007
MEASURING LIFT ARM AND BUCKET...2009
MEASURING HYDRAULIC DRIFT OF LIFT ARM AND BUCKET...2010
ADJUSTING BUCKET POSITIONER...2011
ADJUSTING BOOM KICK-OUT...2012
TROUBLESHOOTING...2013
TROUBLESHOOTING TABLE...2014
1. LIFT ARM DOES NOT RISE...2014
2. LIFT ARM MOVES SLOWLY OR DOES NOT HAVE SUFFICIENT LIFTING POWER...2015
3. LIFT ARM MOVEMENT BECOMES SLOW AFTER IT REACHES A CERTAIN HEIGHT...2016
4. BUCKET CANNOT BE HELD DOWN WITH LIFT ARM CYLINDER...2016
5. LIFT ARM HAS LARGE HYDRAULIC DRIFT...2016
6. LIFT ARM MOVEMENT IS UNSTEADY DURING WORK...2016
7. LIFT ARM DESCENDS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM "HOLD" TO "RAISE"...2016
8. BUCKET DOES NOT TILT BACK...2017
9. BUCKET MOVES SLOWLY OR HAS INSUFFICIENT TILT BACK POWER...2018
10. BUCKET MOVEMENT BECOMES SLOW DURING TILT BACK...2019
11. BUCKET CANNOT BE HELD DOWN BY THE BUCKET CYLINDER...2019
12. BUCKET HAS LARGE HYDRAULIC DRIFT...2019
13. BUCKET MOVES UNSTEADILY WHEN MACHINE TRAVELS UNDER LOAD. (MAIN CONTROL VALVE IN "HOLD")...2019
14. BUCKET DUMPS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM "HOLD" TO "TILT BACK"...2019
15. CONTROL LEVERS OF LIFT ARM AND DUMP MOVE STIFFLY AND SLUGGISHLY...2020
63 DISASSEMBLY AND ASSEMBLY...2021
HYDRAULIC TANK...2022
REMOVAL...2022
INSTALLATION...2024
HYDRAULIC FILTER...2026
REMOVAL...2026
INSTALLATION...2026
HYDRAULIC, SWITCH AND STEERING PUMP...2027
REMOVAL...2027
INSTALLATION...2030
MAIN CONTROL VALVE...2033
REMOVAL...2033
INSTALLATION...2036
DISASSEMBLY...2038
ASSEMBLY...2040
DUMP CYLINDER...2042
REMOVAL...2042
INSTALLATION...2044
LIFT CYLINDER...2045
REMOVAL...2045
INSTALLATION...2046
HYDRAULIC CYLINDER ASSEMBLY...2047
DISASSEMBLY...2047
ASSEMBLY...2049
WORK EQUIPMENT...2052
REMOVAL...2052
INSTALLATION...2055
COUNTERWEIGHT...2058
REMOVAL...2058
INSTALLATION...2058
64 MAINTENANCE STANDARD...2059
MAIN CONTROL VALVE...2060
DUMP CYLINDER...2064
LIFT CYLINDER...2065
BUCKET LINKAGE...2066
BUCKET POSITIONER AND BOOM KICK-OUT...2068
BUCKET...2069
HYDRAULIC AND STEERING PUMP...2070
80 ELECTRIC AND ELECTRONIC SYSTEM...2071
81 STRUCTURE AND FUNCTION...2071
ELECTRIC AND ELECTRONIC SYSTEM...2072
ELECTRICAL WIRING DIAGRAM...2073
ENGINE STARTING CIRCUIT...2074
ENGINE STOP CIRCUIT...2075
PREHEATING CIRCUIT...2076
PREHEATING AND AFTER-HEATING WITH HEATER SWITCH...2076
PREHEATING WITH STARTING SWITCH...2077
AUTOMATIC PREHEATING...2078
COMBINATION SWITCH...2079
ELECTRICAL TRANSMISSION CONTROL...2080
ELECTRICAL TRANSMISSION CONTROL DIAGRAM...2081
TRANSMISSION CUT-OFF SWITCH...2082
TRANSMISSION CUT-OFF SELECTOR SWITCH...2083
NEUTRALIZER RELAY...2084
ELECTRICAL PARKING BRAKE CONTROL...2085
ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS)...2094
MONITOR PANEL...2094
INDICATION ON MONITOR PANEL...2096
CONTROLLER...2098
SENSORS...2099
WIRING HARNESS...2105
OPERATION OF PROXIMITY SWITCH...2106
82 TESTING AND ADJUSTING...2110
ADJUSTING SPEEDOMETER MODULE IN THE VEHICLE MONITOR...2111
TROUBLESHOOTING...2112
CHECKS BEFORE TROUBLESHOOTING...2113
METHOD OF USING YES-NO TROUBLESHOOTING FLOW CHART...2114
CONNECTOR TERMINAL NUMBERS...2116
PRECAUTION WHEN HANDLING CONNECTOR...2121
ELECTRICAL WIRING DIAGRAM...2123
ELECTRICAL CIRCUIT SYSTEM...2124
TROUBLESHOOTING CHART FOR ELECTRIC SYSTEM (E-1. TO E-15.)...2128
E-1. ENGINE DOES NOT START...2129
E-2. ENGINE DOES NOT STOP...2132
E-3. ENGINE STOPS WHEN TRAVELING...2132
E-4. PARKING BRAKE DOES NOT WORK...2133
E-5. PARKING BRAKE IS APPLIED WHEN TRAVELING...2136
E-6. PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNED TO ON...2139
E-7. TRANSMISSION IS NOT RETURNED TO NEUTRAL WHEN PARKING BRAKE IS APPLIED...2139
E-8. MACHINE DOES NOT TRAVEL FORWARD...2141
E-9. MACHINE DOES NOT TRAVEL IN REVERSE...2145
E-10. TRANSMISSION DOES NOT SHIFT GEAR (F-R SWITCH NORMAL)...2149
E-11. MACHINE DOES NOT TRAVEL WHEN TRANSMISSION CUT-OFF SELECTOR SWITCH IS ON (MACHINE TRAVELS ONLY WHEN TRANSMISSION CUT-OFF SELECTOR SWITCH IS OFF)...2151
E-12. TRANSMISSION CANNOT BE CUT-OFF...2151
E-13. TRANSMISSION DOES NOT RETURN TO NEUTRAL...2153
E-14. PREHEATING DISPLAY DOES NOT GO OUT...2156
E-15. PREHEATING DOES NOT WORK...2156
ELECTRONIC VEHICLE MONITORING SYSTEM...2158
TROUBLESHOOTING TABLE (ELECTRONIC VEHICLE MONITORING SYSTEM)...2159
TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM (M-1. TO M-33.)...2160
M-1. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (BRAKE OIL LEVEL) FLASHES...2161
M-2. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (ENGINE OIL LEVEL) FLASHES...2161
M-3. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (COOLANT LEVEL) FLASHES...2163
M-4. (BATTERY CHARGE) FLASHES...2163
M-5. (FUEL LEVEL) FLASHES...2165
M-6. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (FAILURE IN BRAKE LINE) FLASHES...2165
M-7. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (ENGINE OIL PRESSURE) FLASHES...2167
M-8. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (COOLANT LEVEL) FLASHES...2167
M-9. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (DROP IN AIR PRESSURE) FLASHES...2169
M-10. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (COOLANT TEMPERATURE) FLASHES...2169
M-11. EVEN WHEN ENGINE IS STOPPED, AND THERE IS NO ABNORMALITY IN MACHINE, (TORQUE CONVERTER OIL TEMPERATURE) FLASHES...2170
M-12. (PARKING BRAKE) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP...2171
M-13. (WORKING LAMP) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP...2173
M-14. (PREHEAT) LIGHTS UP ABNORMALLY...2175
M-15. (FAILURE IN MAIN STEERING) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP. (IF EQUIPPED)...2177
M-16. (EMERGENCY STEERING NORMAL) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP. (IF EQUIPPED)...2179
M-17. (TRANSMISSION CUT-OFF) LIGHTS UP ABNORMALLY, OR DOES NOT LIGHT UP...2181
M-18. TURN SIGNAL LAMPS, HIGH BEAM LIGHT UP ABNORMALLY, OR DO NOT LIGHT UP...2183
M-19. SPEEDOMETER DISPLAY DOES NOT WORK NORMALLY...2187
M-20. SERVICEMETER DOES NOT WORK NORMALLY...2189
M-21. ALL OR PART OF MONITOR PANEL DOES NOT WORK NORMALLY, IF ANY FUSE IS BROKEN, REPLACE AFTER CHECKING...2191
M-22. EVEN WHEN ENGINE IS STOPPED, (ENGINE OIL PRESSURE) FLASHES, OR (BATTER CHARGE) FLASHES...2193
M-23. NO LAMPS ON MONITOR LIGHT UP (IMMEDIATELY AFTER TURNING STARTING SWITCH TO "ON', ENGINE STOPPED)...2194
M-24. CENTRAL WARNING LAMP DOES NOT GO OUT...2195
M-25. CENTRAL WARNING BUZZER DOES NOT STOP...2197
M-26. NONE OF PANEL LAMPS ON MONITOR LIGHT UP...2199
M-27. SOME OF PANEL LAMPS ON MONITOR DO NOT LIGHT UP...2202
M-28. EMERGENCY ITEM IS FLASHING, BUT ALARM BUZZER DOES NOT SOUND...2204
M-29. EMERGENCY ITEM OR NON-EMERGENCY ITEM IS FLASHING, BUT WARNING LAMP DOES NOT FLASH...2206
M-30. ABNORMALITY IN (FUEL GAUGE)...2208
M-31. ABNORMALITY IN (AIR PRESSURE GAUGE)...2210
M-32. ABNORMALITY IN (COOLANT TEMPERATURE GAUGE)...2212
M-33. ABNORMALITY IN (TORQUE CONVERTER OIL TEMPERATURE GAUGE)...2214
83 DISASSEMBLY AND ASSEMBLY...2216
MACHINE MONITOR...2217
REMOVAL...2217
INSTALLATION...2217
90 OTHERS...2218
91 STRUCTURE AND FUNCTION...2218
CAB...2219
AIR CONDITIONER (IF EQUIPPED)...2220
PIPING...2220
AIR CONDITIONER WIRING DIAGRAM...2221
AIR CONDITIONER ELECTRIC CIRCUIT...2221
AIR CONDITIONER UNIT...2222
93 DISASSEMBLY AND ASSEMBLY...2225
CAB...2226
REMOVAL...2226
INSTALLATION...2227
AIR CONDITIONER UNIT...2228
REMOVAL...2228
INSTALLATION...2230
CONDENSER FOR AIR CONDITIONER...2232
REMOVAL...2232
INSTALLATION...2232
DRY RECEIVER...2233
REMOVAL...2233
INSTALLATION...2233
COMPRESSOR FOR AIR CONDITIONER...2234
REMOVAL...2234
INSTALLATION...2234
97 GEAR PUMP...2235
GENERAL...2236
GENERAL...2237
PRINCIPLE OF OPERATION...2238
PRESSURE LOADED TYPE GEAR PUMP...2241
FIXED SIED PLATE TYPE GEAR PUMP...2243
SA SERIES...2244
STRUCTURE...2245
TESTING AND ADJUSTING...2248
DISASSEMBLY...2251
ASSEMBLY...2255
MAINTENANCE STANDARD...2260
Komatsu Wheel Loader WA400 Repair Service Manual
