Komatsu WB140-2, WB150-2 Backhoe Loader Shop Manual WEBM004601 – PDF DOWNLOAD
$28.95
Komatsu WB140-2, WB150-2 Backhoe Loader Shop Manual WEBM004601 – PDF DOWNLOAD
SERIAL NUMBER
WB140-2 140F11531 and up WB150-2 150F10303 and up
Description
Komatsu WB140-2, WB150-2 Backhoe Loader Shop Manual WEBM004601 – PDF DOWNLOAD
FILE DETAILS:
Komatsu WB140-2, WB150-2 Backhoe Loader Shop Manual WEBM004601 – PDF DOWNLOAD
Language : English
Pages :486
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Komatsu WB140-2, WB150-2 Backhoe Loader Shop Manual WEBM004601 – PDF DOWNLOAD
GENERAL PRECAUTIONS
Mistakes in operation extremely dangerous. Read all the Operation and Maintenance Manual carefully BEFORE operating the machine.
PREPARATIONS FOR WORK
TABLE OF CONTENTS:
Komatsu WB140-2, WB150-2 Backhoe Loader Shop Manual WEBM004601 – PDF DOWNLOAD
MAIN MENU 0
COVER 1
CONTENTS 3
SAFETY 7
FOREWORD 9
HOW TO READ THE SHOP MANUAL 10
HOISTING INSTRUCTIONS 11
STANDARD TIGHTENING TORQUE 12
COATING MATERI ALS 14
ELECTRIC 15
WEIGHT TABLE 16
TABLE OF OIL AND COOLANT QUANTITIES 17
CONVERSION TABLE 19
10 STRUCTURE AND FUNCTION 29
POWER TRAIN 30
TRANSMISSION 32
DRIVE SHAFTS 37
CONTROL VALVE BLOCK 39
FRONT AXLE 40
REAR AXLE 43
HYDRAULIC PUMP 48
STEERING UNIT 69
HYDRAULIC CIRCUIT (WB140-2) 71
HYDRAULIC CIRCUIT (WB150-2) 72
SHOVEL CONTROL VALVE 74
BACKHOE CONTROL VALVE 78
CLSS 85
SOLENOID VALVE 99
SAFETY VALVE100
BRAKE PUMP102
SHOVEL CYLINDERS103
BACKHOE CYLINDERS104
AIR-CONDITIONING UNIT107
HOW THE AIR CONDITIONING UNIT FUNCTIONS108
ELECTRICAL DIAGRAM109
ELECTRICAL DIAGRAM (AIR CONDITIONING)111
20 TESTING AND ADJUSTMENTS115
NORMAL OR STANDARD TECHNICAL DATA116
SPECIAL TOOLS140
MEASURING ENGINE SPEED141
ADJUSTING VALVE CLEARANCE142
MEASURING COMPRESSION PRESSURE143
TESTING AND ADJUSTING FUEL INJECTION TIMING144
CHECKING AND TIGHTENING THE FAN -BELT146
CHECKING AND TIGHTENING THE COMPRESSOR FAN -BELT147
MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER148
ADJUSTING BRAKE PEDAL TRAVEL, BRAKE ALIGNMENT, MICROSWITCHES150
AIR BLEEDING -RELEASING RESIDUAL PRESSURE151
CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT154
TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE)160
TESTING AND ADJUSTING OF UNLOADING VALVE161
CHECKING UNLOADING VALVE FUNCTIONALITY162
TESTING PRIORITY VALVE OPERATION163
TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE164
TESTING BRAKE SYSTEM165
CONTROL OF THE ENGINE SPEED UNDER LOAD167
TESTING PRESSURES IN THE POWER TRAIN GROUP169
TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES171
ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE172
ANALYSIS OF CAUSES HYDRAULIC DRIFT173
TESTING THE AIR -CONDITIONING UNIT178
EMPTYING THE AIR-CONDITIONING UNIT180
TROUBLESHOOTING181
FRONT AXLE TROUBLESHOOTING182
REAR AXLE TROUBLESHOOTING187
TRANSMISSION TROUBLESHOOTING192
30 REMOVAL AND INSTALLATION197
HOW TO READ THE MANUAL199
PRECAUTIONS TO BE TAKEN WHILE WORKING200
SPECIAL TOOLS201
STARTING MOTOR205
REMOVAL AND INSTALLATION205
ALTERNATOR206
REMOVAL206
INSTALLATION207
AIR-CONDITIONING UNIT COMPRESSOR208
REMOVAL208
INSTALLATION209
INJECTION PUMP210
REMOVAL210
INSTALLATION213
INJECTION NOZZLES214
REMOVAL AND INSTALLATION214
THERMOSTAT215
REMOVAL AND INSTALLATION215
COOLING LIQUID PUMP216
REMOVAL216
INSTALLATION217
TURBOCOMPRESSOR218
REMOVAL 218
INSTALLATION219
CYLINDER HEAD220
REMOVAL220
INSTALLATION222
ACCUMULATOR DISCONNECTING SWITCH224
REMOVAL AND INSTALLATION224
FRONT COUNTERWEIGHT225
REMOVAL AND INSTALLATION225
RADIATOR GROUP226
REMOVAL226
INSTALLATION228
CONDENSER229
REMOVAL AND INSTALLATION229
MUFFLER230
REMOVAL AND INSTALLATION230
EXHAUST PIPE231
REMOVAL AND INSTALLATION231
ENGINE HOOD232
REMOVAL232
INSTALLATION233
CAB234
REMOVAL234
INSTALLATION237
HEAT AND AIR-CONDITIONING GROUP238
REMOVAL238
INSTALLATION239
FUEL TANK240
REMOVAL AND INSTALLATION240
HYDRAULIC OIL TANK241
REMOVAL AND INSTALLATION241
ENGINE-GEARBOX-PUMP GROUP242
REMOVAL242
INSTALLATION247
PISTON PUMP248
REMOVAL248
INSTALLATION249
TRANSMISSION250
REMOVAL250
INSTALLATION253
DISASSEMBLY AND ASSEMBLY255
CONVERTOR333
REMOVAL AND INSTALLATION333
TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP334
REMOVAL AND INSTALLATION334
STEERING UNIT335
REMOVAL AND INSTALLATION335
WORKING BRAKE PUMP GROUP336
REMOVAL AND INSTALLATION336
FRONT WORKING EQUIPMENT CONTROL VALVE337
REMOVAL AND INSTALLATION337
FRONT AND BACKHOE CONTROL VALVE338
DISASSEMBLY AND ASSEMBLY338
FRONT AXLE352
REMOVAL352
INSTALLATION353
DISASSEMBLY354
ASSEMBLY363
REAR AXLE379
REMOVAL379
INSTALLATION380
DISASSEMBLY381
ASSEMBLY396
FRONT BUCKET BOOM-RAISING CYLINDER415
REMOVAL AND INSTALLATION415
FRONT BUCKET TILT CYLINDERS416
REMOVAL AND INSTALLATION416
FRONT BUCKET417
REMOVAL AND INSTALLATION417
FRONT WORKING EQUIPMENT418
REMOVAL418
INSTALLATION419
BACKHOE CONTROL VALVE420
REMOVAL420
INSTALLATION421
BACKHOE BOOM CYLINDER422
REMOVAL AND INSTALLATION422
BACKHOE ARM CYLINDER423
REMOVAL AND INSTALLATION423
TELESCOPIC ARM CYLINDER424
REMOVAL AND INSTALLATION424
BACKHOE BUCKET CYLINDER425
REMOVAL AND INSTALLATION425
OUTRIGGER CYLINDERS426
REMOVAL AND INSTALLATION426
BACKHOE SWING CYLINDERS427
REMOVAL AND INSTALLATION427
CYLINDERS428
DISASSEMBLY428
ASSEMBLY430
BOOM SWING CYLINDER433
DISASSEMBLY433
ASSEMBLY434
BOOM SAFETY CYLINDER436
REMOVAL AND INSTALLATION436
BACKHOE WORKING EQUIPMENT437
REMOVAL AND INSTALLATION437
BACKHOE BUCKET438
REMOVAL AND INSTALLATION438
ARM439
REMOVAL AND INSTALLATION439
TELESCOPIC ARM440
REMOVAL AND INSTALLATION440
2nd ARM441
REMOVAL AND INSTALLATION441
2nd ARM GUIDES442
REMOVAL AND INSTALLATION442
BACKHOE BOOM443
REMOVAL AND INSTALLATION443
BACKHOE SWING BRACKET444
REMOVAL AND INSTALLATION444
BACKHOE OUTRIGGERS445
REMOVAL445
INSTALLATION446
40 STANDARD MAINTENANCE449
TRANSMISSION450
FRONT AXLE455
REAR AXLE458
HYDRAULIC PUMP462
2-SPOOL CONTROL VALVE464
3-SPOOL CONTROL VALVE466
6-SPOOL CONTROL VALVE468
7-SPOOL CONTROL VALVE471
8-SPOOL CONTROL VALVE473
BRAKE PUMP474
SHOVEL CYLINDERS475
BACKHOE CYLINDERS476
FRONT WORKING EQUIPMENT480
SWING BRACKET482
BACKHOE WORKING EQUIPMENT484
IMAGES PREVIEW OF THE MANUAL:
S.M 24/12/24
