Komatsu Backhoe Loader WB150AWS-N Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Backhoe Loader WB150AWS-2N, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Komatsu Backhoe Loader WB150AWS-N 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.
CEAM010900 - Backhoe Loader WB150AWS-2N Operation & Maintenance Manual.pdf
CEAM013002 - Backhoe Loader WB150AWS-2N Operation & Maintenance Manual.pdf
CEBM011300 - Backhoe Loader WB150AWS-2N Shop Manual.pdf
PRODUCT DETAILS:
Total Pages: 1,012 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
CEAM010900 - Backhoe Loader WB150AWS-2N Operation & Maintenance Manual...1
COVER...1
INTRODUCTION...7
FOREWORD...8
SAFETY INFORMATION...9
SIGNAL WORDS...9
APPROVED AND NON-APPROVED USES...10
NON-APPROVED...10
PRODUCT INFORMATION...11
MAIN FEATURES...11
BREAK-IN PERIOD...11
SYNTHETIC BIODEGRADABLE OIL TYPES...11
PRODUCT IDENTIFICATION...12
MACHINE SERIAL NUMBER...12
MACHINE IDENTIFICATION PLATE...12
ENGINE SERIAL NUMBER AND EMISSION LABEL...13
FRONT AXLE SERIAL NUMBER...13
REAR AXLE SERIAL NUMBER...13
TRANSMISSION SERIAL NUMBER...14
CAB SERIAL NUMBER...14
CANOPY SERIAL NUMBER...14
SERIAL NUMBERS AND DEALER INFORMATION...15
MODEL: WB150AWS-2N...15
CONTENTS...16
SAFETY...25
GENERAL SAFETY RULES AND PRECAUTIONS...26
GENERAL SAFETY RULES...26
SAFETY FEATURES...27
PERSONAL PROTECTIVE EQUIPMENT...27
UNAUTHORIZED MODIFICATIONS...27
LEAVING OPERATOR’S COMPARTMENT...28
MOUNTING AND DISMOUNTING...29
FIRE PREVENTION FOR FUEL AND OIL...29
DUST HAZARD PRECAUTIONS...30
CRUSH OR PINCH POINT DANGERS...30
FIRE EXTINGUISHER AND FIRST AID KIT...30
INSIDE OPERATOR’S COMPARTMENT...31
PRECAUTIONS WHEN USING ROPS...31
PRECAUTIONS FOR ATTACHMENTS...31
PRECAUTIONS BEFORE STARTING WORK OPERATIONS...32
PRE-OPERATIONAL CHECKS...32
PERFORM A WALK AROUND CHECK OF YOUR MACHINE...32
UNDER THE HOOD...32
IN THE OPERATOR’S CAB...33
START-UP CHECKS...33
STARTING YOUR WORK OPERATIONS...33
WORK SITE HAZARDS...34
WORKING CLEARANCES...34
RULES FOR ROAD TRAVEL...35
RULES FOR TRAVELING IN REVERSE...36
TRAVELING ON ICY OR SNOW-COVERED SURFACES...36
WORKING ON LOOSE OR UNSTABLE GROUND...36
PRECAUTIONS DURING MAINTENANCE OPERATIONS...37
WARNING TAGS...37
EQUIPMENT STORAGE...37
WORKING UNDER THE MACHINE...38
USING DROP LAMPS...38
KEEPING THE MACHINE CLEAN...38
RUNNING THE MACHINE DURING MAINTENANCE...38
RULES FOR REFUELING THE MACHINE...39
COOLING SYSTEM PRECAUTIONS...39
BATTERY PRECAUTIONS...40
STARTING THE MACHINE...40
WELDING PRECAUTIONS...41
HIGH PRESSURE HOSES...41
HIGH TEMPERATURES AREAS...42
ROTATING PARTS...42
DISPOSAL OF WASTE MATERIALS...42
INFLATING TIRES...42
CRITICAL PARTS...43
VIBRATIONS TO WHICH THE OPERATOR IS EXPOSED...43
SAFETY AND WARNING DECALS...44
LOCATION OF THE SAFETY DECALS...44
LOCATION OF THE PICTOGRAM DECALS...60
OPERATION...63
GENERAL VIEW OF MACHINE...64
FRONT VIEW OF MACHINE...64
REAR VIEW OF MACHINE...65
PICTOGRAMS...66
WORK AREA DANGERS...66
MOVING OR ROTATING ENGINE COMPONENTS...66
FILLING THE HYDRAULIC SYSTEM...66
ENGINE OIL FILTER...66
BRAKE FLUID...66
FUEL FILTER...67
ENGINE COOLANT...67
AIR FILTER...67
ENGINE COOLANT PRESSURE WARNING...67
HYDRAULIC OIL LEVEL...67
HYDRAULIC OIL FILTER...67
TRANSMISSION OIL LEVEL...68
TRANSMISSION FLUID FILTER...68
ANCHORAGE POINT...68
EMERGENCY EXIT...68
BOOM LOCK...68
SWING LOCK...68
DESCRIPTION OF MACHINE OPERATION CONTROLS...69
INSIDE THE CAB...69
FRONT INSTRUMENT BEZEL AND CONTROLS...70
TRANSMISSION OIL TEMPERATURE ALERT...70
ENGINE COOLANT TEMPERATURE ALERT...70
FOUR-WHEEL DRIVE (IN/OUT) INDICATOR...71
LOW FUEL ALERT...71
DIRECTIONAL SIGNAL INDICATOR...71
HIGH BEAM INDICATOR...71
PARKING BRAKE AND BRAKE FLUID ALERT...71
OPTIONAL EQUIPMENT INDICATOR...71
MULTIFUNCTIONAL DIRECTIONAL SWITCH...71
FOUR-WHEEL DRIVE SWITCH...72
WINDSHIELD WIPER/WASHER SWITCH...72
FRONT WORK LAMPS SWITCH...72
EMERGENCY (HAZARD) SWITCH...72
OPTIONAL EQUIPMENT SWITCH...72
OPTIONAL EQUIPMENT SWITCH...72
STEERING CONTROL SWITCHES...72
ELECTRONIC MONITOR SYSTEM...73
SERVICE HOURS DISPLAY...73
TYPES OF OILS TO USE...73
MAINTENANCE INTERVAL...74
MAINTENANCE ALERT...74
MAINTENANCE TO BE PERFORMED...75
LANGUAGE SELECTION...76
SPEED INDICATION...76
TIRE PRESSURE AND SIZE...77
OPERATING ALERTS AND WARNINGS...77
SIDE INSTRUMENT BEZEL AND CONTROLS...81
FUEL LEVEL GAUGE...81
TACHOMETER AND HOUR METER...81
ENGINE COOLANT TEMPERATURE GAUGE...82
AIR CLEANER RESTRICTION ALERT...82
ENGINE OIL PRESSURE ALERT...82
GLOW PLUGS PREHEAT INDICATION...82
ALTERNATOR ALERT...82
ENGINE COOLANT TEMPERATURE ALERT...83
OPTIONAL EQUIPMENT ALERT...83
AUDIBLE WARNING SYSTEM...83
REAR WORK LAMPS...83
WINDSHIELD WIPER/WASHER SWITCH...83
EMERGENCY FLASHING LIGHT SWITCH...83
REAR HORN...84
AIR CONDITIONING SWITCH (OPTIONAL)...84
LOAD STABILIZER SWITCH (OPTIONAL)...84
IGNITION SWITCH...84
BLOWER SWITCH...84
BACKHOE POWER CONTROL SWITCH...85
BACKHOE BOOM LOCK SWITCH...85
OPTIONAL SWITCH LOCATIONS...85
FRONT END LOADER CONTROLS...86
LOADER DECLUTCH CONTROL BUTTON...86
OPTIONAL CONTROL BUTTON...86
BUCKET OPEN BUTTON...87
BUCKET CLOSE BUTTON...87
LOADER SPEED CONTROL BUTTON...87
LOADER KICK-DOWN BUTTON...87
GEAR SHIFT LEVER CONTROL SYSTEM...88
MAIN FUNCTIONS...88
GEAR SHIFT SYSTEM OPERATION...89
STARTING THE ENGINE...89
SECURITY CODE OPERATION...90
(DIM) BUTTON OPERATION...90
4WD PUSH BUTTON OPERATION...91
SHIFTING WITH (SA) SEMIAUTOMATIC LOGIC...91
ACCIDENTAL SELECTION PREVENTION...92
AUTOMATIC LOGIC (AU) BUTTON...92
SHIFTING WITH THE (AU) AUTOMATIC LOGIC...92
USING FWD/REV WITH (AU) OR (SA) ENGAGED...92
KICK-DOWN FOR 1ST. AND 2ND. GEAR...93
DECLUTCH FOR 1ST. AND 2ND. GEAR ONLY...93
SYSTEM DIAGNOSTIC FUNCTIONS...94
BRAKES, PARKING BRAKE, ACCELERATOR AND THROTTLE CONTROL...95
BRAKE PEDALS...95
PARKING BRAKE...95
ACCELERATOR PEDAL...96
HAND THROTTLE...96
USING THE STEERING SELECTOR MODE...97
STEERING SELECTION OPERATION...97
SWITCHING STEERING MODES...98
CAB ENVIRONMENT AND SAFETY EQUIPMENT...101
HEATING AND VENTILATION SYSTEM...101
AIR CONDITIONING (optional)...101
HEATING SYSTEM...101
SEAT AND SEAT BELT...102
SEAT...102
SEAT BELT...102
SAFETY EQUIPMENT AND STORAGE AREAS...103
FIRE EXTINGUISHER...103
FIRST AID KIT...103
DOCUMENT STORAGE...103
TOOL CASE (if provided)...103
CAB AND GUARDS...104
CAB...104
DOORS AND WINDOWS...104
ENGINE HOOD...105
ELECTRICAL...106
SWITCHES AND EXTRA ACCESSORIES...106
OVERHEAD LAMP...106
BATTERY DISCONNECT...106
OPTIONAL ELECTRICAL SWITCH LOCATION...106
FUSES AND RELAYS...107
FUSE AND RELAY PANEL LOCATION...107
DASHBOARD RELAY LOCATION...107
FUSE AND RELAY PANEL LAY OUT...108
ENGINE FUSE AND RELAY LOCATION...109
OPERATING THE MACHINE...111
CHECKING THE FUEL SUPPLY...111
STARTING THE ENGINE...111
STARTING THE ENGINE IN COLD WEATHER...112
WARMING THE MACHINE UP...113
SHUTTING THE ENGINE DOWN...113
OPERATING THE FRONT END LOADER AND BACKHOE...114
OPERATING THE FRONT END LOADER...114
CONTROL LEVER POSITIONS...114
PERFORMING LOADING OPERATIONS...115
BUCKET POSITION INDICATOR...115
ORGANIZING YOUR WORK AREA...115
LOADING HEAPED MATERIAL...116
LOADING A TRUCK BED OR TRAILER...116
WORKING ON SLOPES WITH A LOADED BUCKET...117
CHANGING THE FRONT BUCKET...117
OPERATING THE BACKHOE...118
POSITIONING THE MACHINE...118
ADJUSTING THE DIGGING BUCKET...119
DIGGING METHODS...120
CHANGING THE BACKHOE BUCKET...121
ISO BACKHOE CONTROLS...122
KOMATSU BACKHOE CONTROLS...123
SAFETY LOCK USAGE...124
BACKHOE LOCKS...126
MOVING OR TRAVELING WITH THE MACHINE...127
TRAVELING...127
TRAVELING ON SLOPES...128
USING THE FOUR-WHEEL DRIVE SYSTEM...129
TRAVELING OR WORKING IN SWAMPY OR WET AREAS...130
PARKING THE MACHINE...131
FOR SHORT OR LONG PERIODS OF TIME...131
PARKING ON AN INCLINE...132
TRANSPORTING THE MACHINE...133
LOADING AND SECURING THE MACHINE...133
EMERGENCY RECOVERY...134
HOW TO MOVE THE MACHINE...134
PRECAUTIONS DURING SEASONAL CHANGES...135
COLD SEASONS...135
FUEL AND LUBRICANTS...135
COOLANT...135
BATTERY...135
WARM SEASONS...136
BASIC TROUBLESHOOTING...137
THE BATTERY...137
SERVICING THE BATTERY...137
REMOVAL AND INSTALLATION...137
STARTING THE ENGINE WITH BOOSTER CABLE...138
ELECTRICAL CIRCUITS...139
HYDRAULIC SYSTEM...139
BRAKING SYSTEM...140
TORQUE CONVERTER SYSTEM...140
ENGINE...141
MAINTENANCE...143
GUIDE TO MAINTENANCE...144
MAINTENANCE NOTES...145
NOTES REGARDING THE ENGINE...145
ENGINE OIL...145
COOLANT...146
FUEL...146
NOTES REGARDING THE HYDRAULIC SYSTEM...146
NOTES REGARDING THE ELECTRICAL SYSTEM...147
NOTES REGARDING LUBRICATION...147
PARTS SUBJECT TO WEAR THAT PERIODICALLY NEED CHANGING...148
FUEL, COOLANT, AND LUBRICANTS...149
PROPER SELECTION ACCORDING TO THE AMBIENT TEMPERATURE...149
GREASE...150
REMARKS...151
HOMOLOGATED (HEES) SYNTHETIC BIODEGRADABLE LUBRICANTS...153
LUBRICATION DIAGRAMS...153
GENERAL...154
MULTIPURPOSE BUCKET AND PALLET FORKS...155
FRONT BUCKET QUICK COUPLINGS...156
TELESCOPIC ARM...157
PERIODIC REPLACEMENT OF COMPONENTS CONNECTED WITH SAFETY...158
CRITICAL PARTS FOR SAFETY...159
FUEL SUPPLY SYSTEM...159
DELIVERY / RETURN HYDRAULIC SYSTEM...160
LOADER AND BACKHOE HYDRAULIC SYSTEM...161
OPERATOR’S SAFETY...162
STANDARD TIGHTENING TORQUE...163
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS...163
SPECIFIC TIGHTENING TORQUES...163
MAINTENANCE PLAN...164
CHECKS BEFORE STARTING...164
MAINTENANCE EVERY 10 HOURS OF OPERATION...164
MAINTENANCE AFTER THE FIRST 50 HOURS OF OPERATION...164
MAINTENANCE EVERY 50 HOURS OF OPERATION...164
MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION...165
MAINTENANCE EVERY 250 HOURS OF OPERATION...165
MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION...165
MAINTENANCE EVERY 500 HOURS OF OPERATION...166
MAINTENANCE EVERY 1000 HOURS OF OPERATION...166
MAINTENANCE EVERY 2000 HOURS OF OPERATION...166
WHEN REQUIRED...167
MAINTENANCE INTERVALS WHEN DEMOLITION HAMMER IS USED...167
CHECKS BEFORE STARTING...168
VARIOUS CHECKS...168
CHECKING FUEL LEVEL...168
CHECKING COOLANT LEVEL...169
CHECKING ENGINE OIL LEVEL...169
CHECKING HYDRAULIC SYSTEM OIL LEVEL...170
DRAINING WATER SEPARATOR...171
MAINTENANCE EVERY 10 HOURS OF OPERATION...171
LUBRICATING JOINTS (GREASE FITTINGS)...171
JOINT LUBRICATION POINTS...172
FRONT LOADER LUBRICATION LOCATIONS...172
BACKHOE LUBRICATION LOCATIONS...173
MAINTENANCE AFTER FIRST 50 HOURS OF OPERATION...174
MAINTENANCE EVERY 50 HOURS OF OPERATION...174
CHECKING RADIATOR FLUID LEVEL...174
CHECKING BRAKE SYSTEM OIL LEVEL...174
LUBRICATING PROPELLER SHAFTS...175
LUBRICATING FRONT AXLE JOINTS CENTRAL COUPLING...176
CHECKING TIRE PRESSURE...176
CHECKING ELECTRICAL SYSTEM...177
MAINTENANCE AFTER FIRST 250 HOURS OF OPERATION...177
MAINTENANCE EVERY 250 HOURS OF OPERATION...178
ADJUSTING FAN BELT TENSION...178
CLEANING OUTSIDE OF RADIATOR...179
CHECKING BATTERY ELECTROLYTE LEVEL...179
CHECKING FRONT AXLE OIL LEVELS...180
CHECKING REAR AXLE OIL LEVELS...180
CHECKING HYDRAULIC TRANSMISSION OIL LEVEL...181
CHECKING WHEEL LUG NUT TORQUE...181
MAINTENANCE AFTER FIRST 500 HOURS OF OPERATION...182
MAINTENANCE EVERY 500 HOURS OF OPERATION...183
CHANGING ENGINE OIL...183
CHANGING ENGINE OIL FILTER...184
CHANGING HYDRAULIC SYSTEM OIL FILTER...185
CHANGING FUEL FILTER...186
FUEL FILTER...186
BLEEDING THE CIRCUIT...186
DRAINING FUEL TANK...187
DRAINING HYDRAULIC OIL TANK...188
MAINTENANCE EVERY 1000 HOURS...189
CHANGING FRONT AXLE OIL...189
DIFFERENTIAL...189
PLANETARY...189
CHANGING THE REAR AXLE OIL...190
DIFFERENTIAL...190
PLANETARY...190
CHANGING HYDRAULIC TRANSMISSION OIL...191
CHANGING HYDRAULIC TRANSMISSION FILTER...192
CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE...192
MAINTENANCE EVERY 2000 HOURS OF OPERATION...193
CHANGING HYDRAULIC SYSTEM OIL AND CLEANING SUCTION FILTER...193
CHANGING COOLANT...195
CHANGING THE BRAKING SYSTEM OIL...197
CHECKING ALTERNATOR AND STARTER...197
WHEN REQUIRED...198
CHECKING, CLEANING, OR CHANGING AIR CLEANER CARTRIDGE...198
CHECKING AND CLEANING CAB AIR FILTERS...199
BLEEDING BRAKE SYSTEM...200
FLUSHING COOLING SYSTEM...201
CLEANING THE WATER SEPARATOR...203
CHECKING AND ADJUSTING FRONT WHEEL TOE-IN...203
CHECKING AND ADJUSTING PARKING BRAKE...204
CHECK...204
ADJUSTMENT...204
CHECKING THE BRAKING EFFICIENCY...205
CHECKING AND ADJUSTING BRAKE PEDAL STROKE...206
ADJUSTING AUTOMATIC RETURN OF FRONT BUCKET TO THE DIGGING POSITION...206
MAINTENANCE INTERVALS IN CASE OF DEMOLITION HAMMER USE...207
CHANGING HYDRAULIC OIL FILTER...207
CHANGING HYDRAULIC OIL...207
LONG TERM STORAGE...208
BEFORE STORAGE...208
DURING STORAGE...209
AFTER STORAGE...209
SPECIFICATIONS...211
TECHNICAL DATA...212
STANDARD OVERALL DIMENSIONS...212
TECHNICAL CHARACTERISTICS...213
TOTAL MASS...213
STANDARD BUCKET CAPACITY...213
ASPIRATED ENGINE...213
ELECTRICAL SYSTEM...213
TRAVEL SPEEDS...213
TIRES...213
LIFTING CAPACITIES...214
SYMBOLS...214
LIFTING CAPACITY...215
OPTIONAL ATTACHMENTS...217
AUTHORIZED OPTIONAL EQUIPMENT...218
BASIC PRECAUTIONS...218
OPTIONAL EQUIPMENT MEASUREMENTS FOR (WB150AWS-2)...219
FRONT END LOADER...219
BACKHOE UNIT...219
FRONT EQUIPMENT QUICK COUPLING DEVICES...220
MANUAL CONTROL QUICK COUPLING...220
MULTIPURPOSE BUCKET...221
BUCKET OPERATION...222
DESCRIPTION...222
BUCKET USES...222
PALLET FORKS KIT...223
REMOVING AND INSTALLING THE FORKS...223
BACKHOE TELESCOPIC ARM...225
DESCRIPTION AND CONTROL...225
SAFETY LOCKS...225
MAINTENANCE...226
DEMOLITION HAMMER...228
DESCRIPTION AND CONTROL...228
RULES FOR HAMMER USAGE...229
ALWAYS AVOID THE FOLLOWING USES:...230
INSTALLATION AND REMOVAL OF THE DEMOLITION HAMMER...232
CLAMSHELL BUCKET...233
DESCRIPTION AND CONTROL...233
INSTALLATION AND REMOVAL OF THE CLAMSHELL BUCKET...234
OPERATING THE CLAMSHELL BUCKET...234
HYDRAULIC JACK HAMMER...235
DESCRIPTION AND CONTROL...235
CONNECTING AND REMOVING THE JACK HAMMER...236
CONNECTING THE JACK HAMMER...236
DISCONNECTING THE JACK HAMMER...236
USING THE JACK HAMMER...236
CEAM013002 - Backhoe Loader WB150AWS-2N Operation & Maintenance Manual...239
COVER...239
INTRODUCTION...245
FOREWORD...246
SAFETY INFORMATION...247
APPROVED AND NON APPROVED USES...248
APPROVED...248
NON APPROVED...248
PRODUCT INFORMATION...249
MAIN FEATURES...249
BREAK IN PERIOD...249
SYNTHETIC BIODEGRADABLE OIL TYPES...249
PRODUCT IDENTIFICATION...250
MACHINE SERIAL NUMBER...250
MACHINE IDENTIFICATION PLATE...250
ENGINE SERIAL NUMBER AND EMISSION LABEL...250
FRONT AXLE SERIAL NUMBER...251
REAR AXLE SERIAL NUMBER...251
TRANSMISSION SERIAL NUMBER...252
CAB SERIAL NUMBER...252
CANOPY SERIAL NUMBER...252
SERIAL NUMBERS AND DISTRIBUTOR INFORMATION...253
CONTENTS...254
SAFETY...267
SAFETY AND WARNING DECALS...268
LOCATION OF THE SAFETY DECALS...268
LOCATION OF THE PICTOGRAM DECALS...283
DECALS DEFINED...285
SAFETY RULES AND PRECAUTIONS...287
GENERAL SAFETY RULES...287
SAFETY FEATURES...288
PERSONAL PROTECTIVE EQUIPMENT...288
UNAUTHORIZED MODIFICATIONS...288
LEAVING OPERATOR’S COMPARTMENT...289
MOUNTING AND DISMOUNTING...290
CHECKING THE REAR VIEW MIRRORS...290
FIRE PREVENTION FOR FUEL AND OIL...291
PREVENTING BURNS...291
DUST HAZARD PRECAUTIONS...291
CRUSH OR PINCH POINT DANGERS...292
FIRE EXTINGUISHER AND FIRST AID KIT...292
INSIDE OPERATOR’S COMPARTMENT...292
PRECAUTIONS WHEN USING ROPS...293
PRECAUTIONS FOR ATTACHMENTS...293
PRECAUTIONS BEFORE STARTING WORK...293
PRE OPERATIONAL CHECKS...293
PERFORM A WALK AROUND CHECK OF YOUR MACHINE...293
UNDER THE HOOD...294
IN THE OPERATOR’S CAB...294
START UP CHECKS...295
ROOM VENTILATION...295
STARTING YOUR WORK OPERATIONS...295
WORK SITE HAZARDS...296
FIRE PREVENTION...296
WORKING CLEARANCES...296
RULES FOR ROAD TRAVEL...297
RULES FOR TRAVELING IN REVERSE...299
TRAVELING ON ICY/SNOW COVERED SURFACES...299
WORKING ON LOOSE OR UNSTABLE GROUND...299
VISIBILITY...300
PREVENTING DAMAGE CAUSED BY THE WORK EQUIPMENT...300
TRAVEL POSITIONS...300
TRAVELING ON SLOPES...300
BUCKET PRECAUTIONS...301
PARKING THE MACHINE...302
PARKING ON LEVEL GROUND...302
PARKING FOR LONG PERIODS OF TIME...303
PARKING ON AN INCLINE...303
SAFETY LOCK USAGE...304
LOADER CYLINDER LOCK...305
BACKHOE LOCKS...306
TRANSPORTING THE MACHINE...308
LOADING AND SECURING THE MACHINE...308
EMERGENCY RECOVERY...309
MOVING THE MACHINE...309
PRECAUTIONS DURING MAINTENANCE...310
WARNING TAGS...310
EQUIPMENT STORAGE...310
WORKING UNDER THE MACHINE...310
USING DROP LAMPS...311
KEEPING THE MACHINE CLEAN...311
ENGINE OPERATING DURING MAINTENANCE...311
RULES FOR REFUELING THE MACHINE...311
COOLING SYSTEM PRECAUTIONS...312
USING LAMPS...312
ELECTRICAL PRECAUTIONS...312
BATTERY...312
CONNECTING CABLES...313
DISCONNECTING CABLES...313
ALTERNATOR...313
STARTER...314
PRECAUTIONS CONCERNING THE GEARSHIFT...314
HIGH PRESSURE HOSES...315
HIGH TEMPERATURES AREAS...315
ROTATING PARTS...315
DISPOSAL OF WASTE MATERIALS...316
INFLATING TIRES...316
TOOLS...316
EXHAUST SYSTEM PRECAUTION...317
HEES OIL...317
CRITICAL PARTS...318
VIBRATIONS TO WHICH OPERATOR IS EXPOSED...318
OPERATION...319
GENERAL VIEW OF MACHINE...320
FRONT VIEW OF MACHINE...320
REAR VIEW OF MACHINE...321
VIEW OF MACHINE CONTROLS - STANDARD...322
VIEW OF MACHINE CONTROLS - PPC SYSTEM...323
MACHINE CONTROLS...324
TRANSMISSION LEVER...324
MAIN FUNCTIONS OF THE CONTROLLER...325
STARTING THE ENGINE...326
SAFETY CODE PUSH BUTTON...326
DIM PUSH BUTTON...327
4WD PUSH BUTTON...327
GEAR SHIFTING WITH SEMIAUTOMATIC LOGIC...327
ACCIDENTAL PREVENTION SELECTION DEVICE...328
AUTOMATIC LOGIC PUSH BUTTON...328
GEAR SHIFTING WITH AUTOMATIC LOGIC...328
FWD/REV REVERSAL WITH LOGIC...329
KICK DOWN FUNCTION FOR 1ST AND 2ND GEAR ONLY...329
DECLUTCH FUNCTION FOR THE 1ST AND 2ND GEAR ONLY...330
DIAGNOSTIC FUNCTION FOR MACHINES NOT WORKING...330
DIAGNOSTIC FUNCTION FOR MACHINES WORKING...331
FRONT INSTRUMENTS AND CONTROLS...332
T RANSMISSION OIL TEMPERATURE ALERT...332
ENGINE COOLANT TEMPERATURE ALERT...332
FOUR WHEEL DRIVE INDICATOR...332
LOW FUEL ALERT...332
DIRECTIONAL SIGNAL INDICATOR...333
HIGH BEAM INDICATOR...333
PARKING BRAKE LOW BRAKE FLUID ALERT...333
OPTIONAL EQUIPMENT ALERT...333
MULTIFUNCTIONAL SWITCH LEVER...333
FOUR WHEEL DRIVE SWITCH...333
WINDSHIELD WIPER/WASHER SWITCH...334
FRONT WORK LAMPS SWITCH...334
EMERGENCY HAZARD SWITCH...334
ELECTRIC SAFETY VALVE SWITCH...334
STEERING CONTROL PUSH BUTTON UNIT...334
ELECTRONIC DISPLAY...339
BRAKE PEDALS...348
ACCELERATOR PEDAL...348
LOADER LEVER...348
KICK DOWN...349
PARKING BRAKE...350
HAND THROTTLE...350
SIDE INSTRUMENTS AND CONTROLS - STANDARD...351
FUEL LEVEL GAUGE...351
TACHOMETER AND HOURMETER...351
ENGINE COOLANT TEMPERATURE GAUGE...352
AIR CLEANER RESTRICTION ALERT...352
ENGINE OIL PRESSURE ALERT...352
PREHEAT INDICATOR...352
ALTERNATOR ALERT...352
ENGINE COOLANT TEMPERATURE ALERT...353
OPTIONAL EQUIPMENT ALERT...353
AUDIBLE WARNING SYSTEM...353
REAR WORK LAMPS...353
REAR WINDSHIELD WIPER/WASHER SWITCH...353
EMERGENCY FLASHING LIGHT SWITCH...354
REAR HORN...354
LOAD STABILIZER SWITCH...354
AIR CONDITIONING SWITCH...354
IGNITION SWITCH...354
BLOWER SWITCH...355
BACKHOE POWER CONTROL SWITCH...355
BACKHOE BOOM LOCK SWITCH...355
OPTIONAL SWITCH LOCATIONS...355
SIDE INSTRUMENTS AND CONTROLS - PPC SYSTEM...356
FUEL LEVEL GAUGE...356
TACHOMETER AND HOUR METER...357
ENGINE COOLANT TEMPERATURE GAUGE...357
AIR CLEANER RESTRICTION ALERT...357
ENGINE OIL PRESSURE ALERT...357
PREHEAT INDICATOR...357
ALTERNATOR ALERT...357
ENGINE COOLANT TEMPERATURE ALERT...358
OPTIONAL EQUIPMENT ALERT...358
AUDIBLE WARNING SYSTEM...358
REAR WORK LAMPS...358
REAR WINDSHIELD WIPER/WASHER SWITCH...358
EMERGENCY FLASHING LIGHT SWITCH...359
REAR HORN...359
LOAD STABILIZER SWITCH...359
AIR CONDITIONING SWITCH...359
IGNITION SWITCH...359
BLOWER SWITCH...360
BACKHOE CONTROL SWITCH...360
BACKHOE BOOM LOCK SWITCH...360
LOCK OUT SWITCH...360
LEFT OUTRIGGER CONTROL SWITCH...360
RIGHT OUTRIGGER CONTROL SWITCH...361
LOADER LEVER BUTTONS...361
LOADER SPEED CONTROL...361
DECLUTCH PUSH BUTTON...361
BUCKET OPEN...361
FRONT OPTIONAL EQUIPMENT...361
BUCKET CLOSE...362
FRONT OPTIONAL EQUIPMENT...362
BACKHOE CONTROLS - STANDARD...362
ISO CONTROLS - EXCAVATOR STYLE...362
OPT CONTROLS - BACKHOE STYLE...363
STABILIZER CONTROL LEVERS...364
BACKHOE CONTROLS - PPC SYSTEM...365
PPC LEVERS...366
OUTRIGGER SWITCHES...367
ISO CONTROLS - EXCAVATOR sTYLE...368
OPT CONTROLS - BACKHOE STYLE...369
JOYSTICK LOCK LEVERS...370
SUPPORT ADJUSTING KNOB...370
JOYSTICK STROKE ADJUSTING KNOB...371
HORN BUTTON...372
TELESCOPIC ARM BUTTONS...372
HAMMER BUTTON...373
PATTERN CHANGE LEVER...374
OFFSET BOOM LEFT BUTTONS...375
BACKHOE BOOM LOCK CONTROL...376
STEERING WHEEL LOCK LEVER...377
ELECTRICAL ACCESSORIES...379
OVERHEAD LAMP...379
ELECTRIC OUTLET...379
12V SUPPLY OUTLET...379
BATTERY DISCONNECTION SWITCH...379
FUSES AND RELAYS - A90002 TO A90008...380
EQUIPMENT FUSES AND RELAYS...380
ENGINE FUSES AND RELAYS...382
SIDE INSTRUMENT PANEL RELAYS...383
FUSES AND RELAYS - A90009 AND UP...384
EQUIPMENT FUSES AND RELAYS...384
ENGINE FUSES AND RELAYS...386
SIDE DASHBOARD - STANDARD...387
SIDE DASHBOARD - PPC SYSTEM...388
ENGINE HOOD...389
OPERATOR’S COMFORT...389
CANOPY...389
CAB...389
GENERAL...389
REAR WINDOW...390
SIDE WINDOWS...390
ENTRY DOORS...392
OPERATOR ENVIRONMENT...392
AIR CONDITIONER...393
SAFETY SEAT BELT...395
DRIVER’S SEAT...395
SAFETY EQUIPMENT AND STORAGE AREAS...396
FIRE EXTINGUISHER...396
FIRST AID KIT...396
DOCUMENT STORAGE...396
TOOL CASE...396
OPERATING THE MACHINE...397
CHECKS BEFORE STARTING THE ENGINE...397
VISUAL CHECKS...397
DAILY CHECKS...397
OPERATIONAL CHECKS...398
CHECKING THE FUEL SUPPLY...398
STARTING THE ENGINE...399
TEMPERATE CLIMATES...399
COLD WEATHER...399
WARMING THE ENGINE...400
HEATING THE HYDRAULIC OIL...401
MOVING THE MACHINE...401
ENGAGING THE FOUR WHEEL DRIVE...402
WORKING ON SLOPES...403
MAXIMUM IMMERSION DEPTH...404
PARKING THE MACHINE...405
PARKING ON LEVEL GROUND...405
PARKING ON SLOPES...406
STOPPING THE ENGINE...408
TRANSPORTING THE MACHINE...409
LOADING AND UNLOADING...409
TRANSPORT...410
COLD SEASON PRECAUTIONS...411
FUEL AND LUBRICANTS...411
COOLANT...411
BATTERY...412
OTHER PRECAUTIONS...412
END OF WORK PRECAUTIONS...412
WARM SEASON PRECAUTIONS...413
OPERATING THE LOADER...414
BUCKET POSITION INDICATOR...414
ORGANIZING THE WORK AREA...414
LOADING HEAPED AND LEVEL MATERIAL...415
LOADING OPERATIONS ON SLOPES...415
CHANGING THE GP BUCKET...416
USING THE BACKHOE...416
BUCKET POSITIONS...417
POSITION FOR DIGGING OPERATIONS...417
DIGGING METHOD...418
CHANGING THE BACKHOE BUCKET...419
OFF SEASON...421
BEFORE OFF SEASON...421
DURING OFF SEASON...422
AFTER THE PERIOD OF INACTIVITY...422
TROUBLESHOOTING...423
HOW TO MOVE THE MACHINE...423
IF THE FUEL HAS BEEN COMPLETLY DEPLETED...423
BATTERY IS DISCHARGED...424
OTHER TROUBLES...426
ELECTRICAL CIRCUIT...426
HYDRAULIC SYSTEM...426
BRAKING SYSTEM...427
CONVERTER...427
ENGINE...428
MAINTENANCE...429
GUIDE TO MAINTENANCE...430
MAINTENANCE NOTES...431
NOTES REGARDING THE ENGINE...431
ENGINE OIL...431
COOLANT...431
FUEL...432
NOTES REGARDING THE HYDRAULIC SYSTEM...432
NOTES REGARDING THE ELECTRICAL SYSTEM...432
NOTES REGARDING LUBRICATION...432
PARTS SUBJECT TO WEAR THAT PERIODICALLY NEED CHANGING...433
FUEL COOLANT AND LUBRICANTS...434
SELECTION ACCORDING TO THE AMBIENT TEMPERATURE...434
GREASE...435
HEES SYNTHETIC BIODEGRADABLE LUBRICANTS...436
LUBRICATION DIAGRAMS...437
GENERAL...437
MULTIPURPOSE BUCKET AND PALLET FORKS...438
TELESCOPIC ARM...439
OFFSET BOOM...440
PERIODIC REPLACEMENT OF COMPONENTS FOR SAFETY...441
CRITICAL PARTS FOR SAFETY...442
FUEL SUPPLY SYSTEM - A90002 TO A90008...442
FUEL SUPPLY SYSTEM - A90009 AND UP...443
DELIVERY RETURN HYDRAULIC SYSTEM...444
LOADER AND BACKHOE HYDRAULIC SYSTEM...445
OPERATOR’S SAFETY...446
TIGHTENING TORQUE...447
STANDARD TORQUE FOR BOLTS AND NUTS...447
SPECIFIC TORQUES...447
MAINTENANCE SCHEDULE...448
WHEN REQUIRED...448
WHEN DEMOLITION HAMMER IS USED...448
CHECKS BEFORE STARTING...448
EVERY 10 HOURS OF OPERATION...448
FIRST 50 HOURS OF OPERATION...449
EVERY 50 HOURS OF OPERATION...449
FIRST 250 HOURS OF OPERATION...449
EVERY 250 HOURS OF OPERATION...449
FIRST 500 HOURS OF OPERATION...450
EVERY 500 HOURS OF OPERATION...450
EVERY 1000 HOURS OF OPERATION...450
EVERY 2000 HOURS OF OPERATION...450
EVERY 4000 HOURS OF OPERATION...450
WHEN REQUIRED...451
AIR CLEANER CARTRIDGE...451
CAB AIR FILTERS...452
BRAKE SYSTEM...453
COOLING SYSTEM...454
FUEL WATER SEPARATOR...455
FRONT WHEEL TOE IN...456
PARKING BRAKE...456
BRAKING EFFICIENCY...457
BRAKE PEDAL STROKE...458
LOADER RETURN TO THE DIG POSITION...458
DEMOLITION HAMMER INTERVALS...459
CHANGING THE HYDRAULIC OIL FILTER...459
CHANGING THE HYDRAULIC OIL...459
CHECKS BEFORE STARTING...460
VARIOUS CHECKS...460
FUEL LEVEL...460
COOLANT LEVEL...461
ENGINE OIL LEVEL...461
HYDRAULIC SYSTEM OIL LEVEL...462
DRAINING WATER SEPARATOR...462
EVERY 10 HOURS OF OPERATION...463
LUBRICATION POINTS...463
FIRST 50 HOURS OF OPERATION...465
HEES OIL TYPE...465
EVERY 50 HOURS OF OPERATION...466
RADIATOR FLUID LEVEL...466
BRAKE SYSTEM OIL LEVEL...466
DRIVE SHAFTS...466
FRONT AND REAR AXLE JOINTS AND FRONT PIVOT...467
TIRE PRESSURE...468
ELECTRICAL SYSTEM...468
FIRST 250 HOURS OF OPERATION...469
EVERY 250 HOURS OF OPERATION...470
FAN BELT TENSION...470
A/C COMPRESSOR BELT TENSION...470
RADIATOR OUTSIDE...472
CONDENSER OUTSIDE...472
BATTERY ELECTROLYTE LEVEL...473
FRONT AXLE OIL LEVEL...473
REAR AXLE OIL LEVEL...474
TRANSMISSION OIL LEVEL...474
WHEEL LUG NUT TORQUE...474
FIRST 500 HOURS OF OPERATION...475
EVERY 500 HOURS OF OPERATION...476
ENGINE OIL...476
ENGINE OIL FILTER...477
HYDRAULIC SYSTEM OIL FILTER...477
FUEL FILTER...478
FUEL TANK...480
HYDRAULIC OIL TANK...480
EVERY 1000 HOURS OF OPERATION...481
FRONT AXLE OIL...481
REAR AXLE OIL...482
TRANSMISSION OIL...483
TRANSMISSION FILTER...483
ENGINE VALVE CLEARANCE...484
EVERY 2000 HOURS OF OPERATION...485
HYDRAULIC SYSTEM OIL AND SUCTION FILTER...485
RADIATOR COOLANT...487
BRAKE SYSTEM OIL...489
ALTERNATOR AND STARTER...489
A/C SYSTEM COOLANT...490
EVERY 4000 HOURS OF OPERATION...491
A/C DEHYDRATING FILTER...491
A/C COMPRESSOR...491
LONG TERM STORAGE...492
BEFORE STORAGE...492
DURING STORAGE...493
AFTER STORAGE...493
SPECIFICATIONS...495
SPECIFICATIONS...496
DIMENSIONS...496
MACHINE...496
LOADER, BACKHOE - STANDARD ARM...497
LOADER, BACKHOE - TELESCOPIC ARM...498
LIFTING CAPACITIES...500
WB150AWS-2N STANDARD ARM...500
WB150AWS-2N OFFSET STANDARD ARM...501
WB150AWS-2N TELESCOPIC ARM...502
WB150AWS-2N OFFSET TELESCOPIC ARM...503
OPTIONAL ATTACHMENTS...505
AUTHORIZED OPTIONAL EQUIPMENT...506
BASIC PRECAUTIONS...506
OPTIONAL EQUIPMENT MEASUREMENTS...507
FRONT END LOADER...507
BACKHOE UNIT...507
MULTI PURPOSE BUCKET...508
BUCKET OPERATION...508
DESCRIPTION...508
BUCKET USES...508
INSTALLATION...509
MP BUCKET USE...510
MAINTENANCE...510
PALLET FORK KIT...511
DESCRIPTION...511
SAFETY DEVICES...511
PREPARING FORKS FOR USE...512
ROTATING FORKS FOR ROAD TRAVEL...512
FORK REMOVAL...513
FORK INSTALLATION...514
MAINTENANCE...514
OPTIONAL FRONT EQUIPMENT...515
BACKHOE TELESCOPIC ARM...516
DESCRIPTION AND CONTROL...516
SAFETY LOCKS...517
MAINTENANCE...517
GUIDE SLACK ADJuSTMENT...517
DEMOLITION HAMMER...519
DESCRIPTION AND CONTROL...519
RULES FOR HAMMER USAGE...520
FOR CORRECT USAGE, IT IS NECESSARY TO...520
ALWAYS AVOID THE FOLLOWING USES...521
INSTALLATION AND REMOVAL...523
INSTALLATION...523
REMOVAL...525
HAMMER USE...525
MAINTENANCE...525
UNIDIRECTIONAL OIL FLOW EQUIPMENT...526
STANDARD BACKHOE CONTROLS...526
DESCRIPTION AND CONTROL...526
INSTALLING AND CONNECTING THE EQUIPMENT...526
MAINTENANCE...527
PPC SYSTEM...527
DESCRIPTION AND CONTROL...527
INSTALLING AND CONNECTING THE EQUIPMENT...528
OFFSET BOOM...529
DESCRIPTION AND CONTROL...529
STANDARD CONTROLS...529
PPC SYSTEM...530
CLAMSHELL BUCKET...531
DESCRIPTION AND CONTROL...531
STANDARD CONTROLS...531
PPC SYSTEM...532
INSTALLATION...533
REMOVAL...534
OPERATING THE CLAMSHELL BUCKET...534
MAINTENANCE...534
HYDRAULIC JACK HAMMER...535
DESCRIPTION AND CONTROL...535
CONNECTING THE JACK HAMMER...536
DISCONNECTING THE JACK HAMMER...536
USING THE HAMMER...536
MAINTENANCE...536
LOAD STABILIZER SYSTEM (LSS)...537
ACCUMULATORS...537
CEBM011300 - Backhoe Loader WB150AWS-2N Shop Manual...541
COVER...541
CONTENTS...542
FOREWORD...545
SAFETY...545
SAFETY NOTICE...545
IMPORTANT SAFETY NOTICE...545
GENERAL PRECAUTIONS...545
PREPARATIONS FOR WORK...545
PRECAUTIONS DURING WORK...545
GENERAL...547
HOW TO READ THE SHOP MANUAL...548
VOLUMES...548
DISTRIBUTION AND UPDATING...548
FILING METHOD...548
REVISED EDITION MARK...548
REVISIONS...548
SYMBOLS...548
HOISTING INSTRUCTIONS...549
HOISTING...549
WIRE ROPES...549
COATING MATERIALS...550
STANDARD TIGHTENING TORQUE...552
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS...552
TIGHTENING TORQUE OF HOSE NUTS...553
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS...553
TIGHTENING TORQUE FOR FLARED NUTS...553
ELECTRIC WIRE CODE...554
CLASSIFICATION BY THICKNESS...554
CLASSIFICATION BY COLOR AND CODE...554
CONVERSION TABLES...555
METHOD OF USING THE CONVERSION TABLE...555
10 STRUCTURE AND FUNCTION...561
POWER TRAIN...564
TRANSMISSION...566
DIAGRAM OF THE POWER TRAIN...566
HYDRAULIC CONVERTER-TRANSMISSION CIRCUIT DIAGRAM...567
TRANSMISSION...568
DRIVE SHAFTS...572
DRIVE SHAFT FOR FORWARD AND REVERSE MOVEMENT...572
DRIVE SHAFT...573
DRIVEN GEAR SHAFT...574
DRIVEN SHAFT 4WD...575
FRONT AXLE...578
DIFFERENTIAL...578
FINAL REDUCTION JOINT...579
STEERING CYLINDER...582
REAR AXLE...584
DIFFERENTIAL...584
FINAL REDUCTION...586
BRAKES...588
STEERING CYLINDER...590
DIFFERENTIAL LOCKING...591
HYDRAULIC PUMP...592
FUNCTION...597
STRUCTURE...597
OPERATION...598
PUMP OPERATION...598
CONTROL OF DELIVERY...599
PC VALVE, LS VALVE, SERVO PISTON...600
LS VALVE...601
FUNCTION...601
OPERATION...602
PC VALVE...607
FUNCTION...607
OPERATION...608
WORKING MODE SOLENOID VALVE...612
FUNCTION...612
OPERATION...612
STEERING UNIT...614
TECHNICAL DATA...614
OPERATION...614
HYDRAULIC CIRCUIT...616
SHOVEL CONTROL VALVE...617
2-SPOOL...617
3-SPOOL...621
BACKHOE CONTROL VALVE...625
6-SPOOL...625
7-SPOOL...631
FOR TELESCOPIC ARM...631
FOR HAMMER...631
8-SPOOL...635
FOR HAMMER AND TELESCOPIC ARM...635
CLSS (CLOSED CENTER LOAD SENSING SYSTEM)...638
DESCRIPTION...638
CHARACTERISTICS...638
STRUCTURE...638
OPERATION...639
UNLOADING VALVE...641
FUNCTION...641
OPERATION...641
INTRODUCTION OF THE LS PRESSURE...644
OPERATION...644
DELIVERY COMPENSATION...645
INTRODUCTION...645
FUNCTION...645
OPERATION...645
LIFD CONTROL SYSTEM...648
FUNCTION...648
OPERATION...648
LS DECOMPRESSION VALVE...649
DESCRIPTION...649
OPERATION...649
PRESSURE CUT-OFF VALVE...650
DESCRIPTION...650
OPERATION...650
PRIORITY VALVE (ONLY FOR THE 2-3-SPOOL CONTROL VALVE)...651
FUNCTION...651
SOLENOID VALVE...652
SOLENOID VALVE BLOCK ST1 - DIFFERENTIAL LOCKING - BACKHOE BOOM LOCKING...652
SOLENOID VALVE GROUP ST2 - STEERING...653
SAFETY VALVE...654
BRAKE PUMP...656
SHOVEL CYLINDERS...658
RAISING CYLINDER...658
DUMPING CYLINDER...658
DUMP CYLINDER...659
RAISE CYLINDER...659
BACKHOE CYLINDERS...660
BOOM...660
ARM...660
BUCKET...661
OUTRIGGERS...661
BOOM SWING...662
TELESCOPIC ARM...662
BACKHOE CYLINDERS...664
BOOM...664
ARM...664
BUCKET...664
BOOM SWING...664
OUTRIGGER...666
TELESCOPIC ARM...666
FRONT WORKING EQUIPMENT...668
SWING BRACKET...670
BACKHOE WORK EQUIPMENT...672
AIR-CONDITIONING UNIT...674
AIR-CONDITIONING UNIT FUNCTION...675
FOUR-WHEEL STEERING SYSTEM (4WS)...676
DESCRIPTION...676
OPERATION...677
FRONT-WHEEL STEERING ONLY...677
FRONT WHEELS TURN OPPOSITE DIRECTION OF REAR WHEELS...678
ALL FOUR WHEELS TURN IN SAME DIRECTION...679
20 TESTING, ADJUSTING AND TROUBLESHOOTING...681
NORMAL OR STANDARD TECHNICAL DATA...684
SPECIAL TOOLS...696
MEASURING ENGINE SPEED...697
ADJUSTING VALVE CLEARANCE...698
MEASURING COMPRESSION PRES SURE...699
FUEL INJECTION TIMING...700
FAN BELT...702
TENSION CHECK...702
FAN BELT TENSION...702
COMPRESSOR BELT...703
CHECKING TENSION...703
FAN BELT TENSION...703
ACCELERATOR PEDAL AND LEVER...704
OPERATING TRAVEL...704
ACCELERATOR PEDAL TRAVEL ADJUSTING...704
ACCELERATOR LEVER TRAVEL ADJUSTING...705
BRAKE PEDAL AND ALIGNMENT...706
TRAVEL AND MICRO SWITCHES...706
MASTER CYLINDER ROD ADJUSTMENT...706
MICROSWITCHES ADJUSTMENT...706
AIR BLEEDING...707
RELEASING RESIDUAL PRESSURE...707
AIR BLEEDING FROM PUMP...707
AIR BLEEDING FROM CYLINDERS...707
AIR BLEEDING FROM OIL TANK...708
HYDRAULIC OIL TANK PRESSURIZATION...708
RELEASING RESIDUAL PRESSURE FROM CIRCUITS...708
AIR BLEEDING FROM BRAKING CIRCUIT...708
CHECKING AIR BLEEDING FROM BRAKING CIR CUIT...709
ATTACHMENTS HYDRAULIC CIRCUIT...710
CHECKING AND SETTING PRESSURE...710
INTRODUCTION...710
TESTING AND SETTING GENERAL VALVES...712
TESTING AND SETTING SECONDARY VALVES...713
MAIN AND SECONDARY VALVES SETTING...715
SENSING SIGNAL (LS VALVE)...717
UNLOADING VALVE...718
ADJUSTING THE UNLOADING VALVE...718
UNLOADING VALVE FUNCTIONALITY...719
PRIORITY VALVE...720
TESTING PRIORITY VALVE OPERATION...720
PRIORITY VALVE CLEANING...720
STEERING CONTROL SYSTEM PRESSURE...721
TESTING...721
SETTING...721
BRAKE SYSTEM...722
TESTING CIRCUIT AND BRAKE TIGHTNESS...722
TESTING BRAKING GROUP LEAK TIGHTNESS...723
ENGINE SPEED CONTROL...724
UNDER LOAD...724
PREPARING THE MACHINE...724
TESTING WITH THE TORQUE CONVERTER UNDER STRESS...725
TESTING THE TORQUE CONVERTER AND HYDRAULIC SYSTEM UNDER STRESS...725
POWER TRAIN PRESSURES...726
PREPARING THE MACHINE...726
CONVERTER OIL PRESSURE...726
CLUTCH ENGAGEMENT PRESSURE...727
POWER TRAIN CLUTCHES FUNCTION...728
PREPARATION OF THE MACHINE...728
TESTING...728
RETURN TO DIG DEVICE SENSOR...729
ANALYSIS OF HYDRAULIC DRIFT...730
FRONT EQUIPMENT...730
TESTING FRONT BUCKET LIFTING...730
TESTING FRONT BUCKET DUMPING...731
BACKHOE...732
BOOM TESTING...732
ARM TESTING...732
BUCKET TESTING...733
OUTRIGGERS TESTING...734
AIR-CONDITIONING UNIT...735
TESTING THE WORKING TEMPERATURE...735
CHECKING THE UNIT...736
EMPTYING THE AIR CONDITIONING UNIT...737
TROUBLESHOOTING...738
FRONT AXLE...738
REAR AXLES...744
TRANSMISSION...751
ELECTRONIC CONTROL UNIT INSPECTION...755
FAILURE...755
NUMERICAL ERROR...755
ANOMALY...755
30 DISASSEMBLY AND ASSEMBLY...757
METHOD OF USING MANUAL...760
PRECAUTIONS DURING OPERATION...761
SPECIAL TOOLS...764
STARTING MOTOR...767
REMOVAL...767
INSTALLATION...767
ALTERNATOR...768
REMOVAL...768
INSTALLATION...768
AIR CONDITIONING COMPRESSOR...769
REMOVAL...769
INSTALLATION...770
INJECTION PUMP...771
REMOVAL...771
INSTALLATION...774
INJECTION NOZZLES...775
REMOVAL...775
INSTALLATION...776
THERMOSTAT...777
REMOVAL...777
INSTALLATION...778
COOLING LIQUID PUMP...779
REMOVAL...779
INSTALLATION...781
TURBOCHARGER...782
REMOVAL...782
INSTALLATION...783
CYLINDER HEAD...784
REMOVAL...784
INSTALLATION...786
ACCUMULATOR DISCONNECT SWITCH...789
REMOVAL...789
INSTALLATION...789
FRONT COUNTERWEIGHT...790
REMOVAL...790
INSTALLATION...790
RADIATOR OIL COOLER UNIT...791
REMOVAL...791
INSTALLATION...793
CONDENSER...794
REMOVAL...794
INSTALLATION...794
MUFFLER...795
REMOVAL...795
INSTALLATION...795
EXHAUST PIPE...796
REMOVAL...796
INSTALLATION...796
ENGINE HOOD...797
REMOVAL...797
INSTALLATION...798
CAB...799
REMOVAL...799
INSTALLATION...803
HEAT AND AIR CONDITIONING GROUP...804
REMOVAL...804
INSTALLATION...805
FUEL TANK...806
REMOVAL...806
INSTALLATION...807
HYDRAULIC OIL TANK...808
REMOVAL...808
INSTALLATION...809
ENGINE-GEARBOX-PUMP GROUP...810
REMOVAL...810
INSTALLATION...814
PISTON PUMP...817
REMOVAL...817
INSTALLATION...818
TRANSMISSION...819
REMOVAL...819
INSTALLATION...822
TRANSMISSION...824
DISASSEMBLY CONVERTER...824
ASSEMBLY CONVERTER...825
DISASSEMBLY PLUGS AND FILTERS...827
ASSEMBLY PLUGS AND FILTERS...828
DISASSEMBLY OIL PUMP...830
ASSEMBLY OIL PUMP...831
DISASSEMBLY PIPES AND SENSORS...833
ASSEMBLY PIPES AND SENSORS...839
DISASSEMBLY HYDRAULIC CONTROL VALVE...844
ASSEMBLY HYDRAULIC CONTROL VALVE...846
DISASSEMBLY TRANSMISSION HOUSING...848
ASSEMBLY TRANSMISSION HOUSING...855
DISASSEMBLY SHAFT A...863
ASSEMBLY SHAFT A...872
DISASSEMBLY SHAFT B...880
ASSEMBLY SHAFT B...886
DISASSEMBLY SHAFT C...891
ASSEMBLY SHAFT C...900
DISASSEMBLY SHAFT E...911
ASSEMBLY SHAFT E...916
CONVERTER...921
REMOVAL...921
INSTALLATION...922
HEADLIGHT CONTROL GROUP...923
REMOVAL OF THE TRANSMISSION INDICA TOR AND HEADLIGHT DIMMER...923
INSTALLATION OF THE TRANSMISSION INDICATOR AND HEADLIGHT DIMMER...923
STEERING UNIT...924
REMOVAL...924
INSTALLATION...924
WORKING BRAKE PUMP GROUP...925
REMOVAL...925
INSTALLATION...925
FRONT WORK EQUIPMENT CONTROL VALVE...926
REMOVAL...926
INSTALLATION...926
FRONT AXLE...927
REMOVAL...927
INSTALLATION...928
FRONT AXLE...929
DISASSEMBLY...929
FRONT AXLE...938
ASSEMBLY...938
REAR AXLE...954
REMOVAL...954
INSTALLATION...955
DISASSEMBLY...956
ASSEMBLY...970
PINION GROUP ASSEMBLY...970
WORK EQUIPMENT...989
FRONT BUCKET BOOM-RAISING CYLINDER...989
REMOVAL...989
INSTALLATION...990
FRONT BUCKET TILT CYLINDERS...991
REMOVAL...991
INSTALLATION...992
FRONT BUCKET...993
REMOVAL...993
INSTALLATION...993
FRONT WORK EQUIPMENT...994
REMOVAL...994
INSTALLATION...995
BACKHOE CONTROL VALVE...996
REMOVAL...996
INSTALLATION...997
BACKHOE BOOM CYLINDER...998
REMOVAL...998
INSTALLATION...999
BACKHOE ARM CYLINDER...1000
REMOVAL...1000
INSTALLATION...1000
TELESCOPIC ARM CYLINDER...1001
REMOVAL...1001
INSTALLATION...1001
BACKHOE BUCKET CYLINDER...1002
REMOVAL...1002
INSTALLATION...1003
OUTRIGGER CYLINDERS...1004
REMOVAL...1004
INSTALLATION...1004
BACKHOE SWING CYLINDERS...1005
REMOVAL...1005
INSTALLATION...1005
CYLINDERS...1007
DISASSEMBLY...1007
ASSEMBLY...1009
BOOM SWING CYLINDER...1013
DISASSEMBLY...1013
ASSEMBLY...1014
BOOM SAFETY CYLINDER...1016
REMOVAL...1016
INSTALLATION...1017
BACKHOE WORKING EQUIPMENT...1018
INSTALLATION...1019
BACKHOE BUCKET...1019
REMOVAL...1019
INSTALLATION...1019
BACKHOE ARM...1020
REMOVAL...1020
INSTALLATION...1020
TELESCOPIC ARM, COMPLETE...1021
REMOVAL...1021
INSTALLATION...1021
2nd ARM...1022
REMOVAL...1022
INSTALLATION...1022
2nd ARM GUIDES...1023
REMOVAL...1023
INSTALLATION...1023
BACKHOE BOOM...1024
REMOVAL...1024
INSTALLATION...1024
BACKHOE SWING BRACKET...1025
REMOVAL...1025
INSTALLATION...1025
BACKHOE OUTRIGGERS...1026
REMOVAL...1026
INSTALLATION...1027
Komatsu Backhoe Loader WB150AWS-N Repair Service Manual
