Komatsu WB140-2 WB150-2 Shop Manual WEBM001102 – PDF DOWNLOAD

Description

Komatsu WB140-2 WB150-2 Shop Manual WEBM001102 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WB140-2 WB150-2 Shop Manual WEBM001102 – PDF DOWNLOAD

Language : English
Pages :509
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu WB140-2 WB150-2 Shop Manual WEBM001102 – PDF DOWNLOAD

GENERAL PRECAUTIONS

Mistakes in operation extremely dangerous. Read all the Operation and Maintenance Manual care- fully BEFORE operating the machine.

TABLE OF CONTENTS:

Komatsu WB140-2 WB150-2 Shop Manual WEBM001102 – PDF DOWNLOAD

MAIN MENU 0
COVER 1
CONTENTS 2
FOREWARD 5
FOREWARD 7
HOW TO READ THE MANUAL 8
HOISTING INSTRUCTIONS 9
STANDARD TIGHTENING TORQUE 10
COATING MATERIALS 12
ELECTRIC WIRE CODE 13
WEIGHT TABLE 14
TABLE OF OIL AND COOLANT QUANTITIES 15
10 STRUCTURE AND FUNCTION 18
POWER TRAIN 19
TRANSMISSION 21
DRIVE SHAFTS 26
CONTROL VALVE BLOCK 28
FRONT AXLE 29
REAR AXLE 32
HYDRAULIC PUMP 36
HYDRAULIC STEERING SYSTEM 57
HYDRAULIC CIRCUIT (WB140-2) 58
HYDRAULIC CIRCUIT (WB150-2) 59
SHOVEL CONTROL VALVE 60
BACKHOE CONTROL VALVE 64
CLSS 70
SAFETY VALVE 84
SOLENOID VALVE 86
BRAKE PUMP 87
SHOVEL CYLINDERS 88
BACKHOE CYLINDERS 90
AIR-CONDITIONING UNIT 96
HOW THE AIR-CONDITIONING UNIT FUNCTIONS 97
ELECTRICAL DIAGRAM (1/5) 98
ELECTRICAL DIAGRAM (2/5) 99
ELECTRICAL DIAGRAM (3/5)100
ELECTRICAL DIAGRAM (4/5)101
ELECTRICAL DIAGRAM (5/5)102
20 TESTING AND ADJUSTING104
NORMAL OR STANDARD TECHNICAL DATA105
SPECIAL TOOLS133
MEASURING ENGINE SPEED134
ADJUSTING VALVE CLEARANCE135
MEASURING COMPRESSION PRESSURE136
TESTING AND ADJUSTING FUEL INJECTION TIMING137
CHECKING AND TIGHTENING THE FAN – BELT139
CHECKING AND TIGHTENING THE COMPRESSOR FAN – BELT140
MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER141
ADJUSTING BRAKE PEDAL TRAVEL, BRAKE ALIGNMENT, MICROSWITCHES143
AIR BLEEDING – RELEASING RESIDUAL PRESSURE144
CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT147
TESTING AND ADJUSTING OF LOADING SENSING SIGNAL (LS VALVE)153
CHECKING UNLOADING VALVE FUNCTIONALITY154
TESTING PUMP DELIVERY155
TESTING PRIORITY VALVE OPERATION157
TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE158
TESTING BRAKE SYSTEM159
CONTROL OF THE ENGINE SPEED UNDER LOAD161
TESTING PRESSURES IN THE POWER TRAIN GROUP163
TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTHES165
ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE166
ANALYSIS OF CAUSES HYDRAULIC DRIFT167
TESTING THE AIR-CONDITIONING UNIT172
30 REMOVAL AND INSTALLATION175
HOW TO READ THE MANUAL177
PRECAUTIONS TO BE TAKEN WHILE WORKING178
SPECIAL TOOLS179
STARTING MOTOR182
REMOVAL182
INSTALLATION182
ALTERNATOR183
REMOVAL183
INSTALLATION183
AIR-CONTIONING UNIT COMPRESSOR184
REMOVAL184
INSTALLATION185
INJECTION PUMP186
REMOVAL186
INSTALLATION189
INJECTION NOZZLES190
REMOVAL190
INSTALLATION190
THERMOSTAT191
REMOVAL191
INSTALLATION191
COOLING LIQUID PUMP192
REMOVAL192
INSTALLATION193
TURBOCOMPRESSOR194
REMOVAL194
INSTALLATION195
CYLINDER HEAD196
REMOVAL196
INSTALLATION199
ACCUMULATOR DISCONNECTING SWITCH200
REMOVAL200
INSTALLATION200
FRONT COUNTERWEIGHT201
REMOVAL201
INSTALLATION201
RADIATOR-OIL COOLER UNIT202
REMOVAL202
INSTALLATION204
CONDENSER205
REMOVAL205
INSTALLATION205
HYDRAULIC OIL COOLER206
REMOVAL206
INSTALLATION207
TRANSMISSION OIL COOLER208
REMOVAL208
INSTALLATION208
MUFFLER209
REMOVAL209
INSTALLATION209
EXHAUST PIPE209
REMOVAL209
INSTALLATION 1
ENGINE HOOD210
REMOVAL210
INSTALLATION211
CAB212
REMOVAL212
INSTALLATION215
HEAT AND AIR CONDITIONING GROUP216
REMOVAL216
INSTALLATION217
FUEL TANK218
REMOVAL218
INSTALLATION218
HYDRAULIC OIL TANK219
REMOVAL219
INSTALLATION219
ENGINE-GEARBOX-PUMP GROUP220
REMOVAL220
INSTALLATION225
PISTON PUMP226
REMOVAL226
INSTALLATION227
TRANSMISSION228
REMOVAL228
INSTALLATION231
OVERHAULING232
CONVERTOR313
REMOVAL313
INSTALLATION313
REMOVAL OF THE TRANSMISSION-REVERSE, DIRECTION INDICATOR DIPPER BEAM CONTROL GROUP314
REMOVAL314
INSTALLATION314
STEERING UNIT315
REMOVAL315
INSTALLATION315
WORKING BRAKE PUMP GROUP316
REMOVAL316
INSTALLATION316
FRONT WORKING EQUIPMENT CONTROL VALVE317
REMOVAL317
INSTALLATION317
FRONT AXLE318
REMOVAL318
INSTALLATION319
DISASSEMBLY320
ASSEMBLY338
REAR AXLE360
REMOVAL360
INSTALLATION361
DISASSEMBLY374
ASSEMBLY395
FRONT BUCKET BOOM-RASING CYLINDERS419
REMOVAL419
INSTALLATION419
FRONT BUCKET TILT CYLINDERS420
REMOVAL420
INSTALLATION420
FRONT BUCKET421
REMOVAL421
INSTALLATION421
FRONT WORKING EQUIPMENT422
REMOVAL422
INSTALLATION423
BACKHOE CONTROL VALVE424
REMOVAL424
INSTALLATION425
BACKHOE BOOM CYLINDER426
REMOVAL426
INSTALLATION426
BACKHOE ARM CYLINDER427
REMOVAL427
INSTALLATION427
TELESCOPIC ARM CYLINDER428
REMOVAL428
INSTALLATION428
BACKHOE BUCKET CYLINDER429
REMOVAL429
INSTALLATION429
OUTRIGGER CYLINDERS430
REMOVAL430
INSTALLATION430
BACKHOE SWING CYLINDERS431
REMOVAL431
INSTALLATION431
CYLINDERS (FRONT BUCKET RAISE AND TILT, OUTRIGGERS, BOOM, ARM, BUCKET AND TELESCOPIC ARM)432
DISASSEMBLY432
ASSEMBLY434
CYLINDERS (FRONT BUCKET RAISE AND TILT) ONLY FOR WB140-2 FROM SERIAL NUMBER 30026 AND UP437
DISASSEMBLY437
ASSEMBLY439
CYLINDERS (OUTRIGGER) ONLY FOR WB140-2 FROM SERIAL NUMBER 30026 AND UP441
DISASSEMBLY441
ASSEMBLY444
BOOM SWING CYLINDER448
DISASSEMBLY448
ASSEMBLY451
BOOM SAFETY CYLINDER457
REMOVAL457
INSTALLATION457
BACKHOE WORKING EQUIPMENT458
REMOVAL458
INSTALLATION458
BACKHOE BUCKET459
REMOVAL459
INSTALLATION459
ARM 460
REMOVAL460
INSTALLATION460
TELESCOPIC ARM461
REMOVAL461
INSTALLATION461
2ND ARM462
REMOVAL462
INSTALLATION462
2ND ARM GUIDES463
REMOVAL463
INSTALLATION463
BACKHOE BOOM464
REMOVAL464
INSTALLATION464
BACKHOE SWING BRACKET465
REMOVAL465
INSTALLATION465
BACKHOE SUPPORTS466
REMOVAL466
INSTALLATION467
40 MAINTENANCE STANDARD469
TRANSMISSION470
FRONT AXLE475
DIFFERENTIAL475
PLANETARY – JOINT476
STEERING UNIT CYLINDER477
REAR AXLE478
DIFFERENTIAL478
PLANETARY – JOINT479
BRAKES480
DIFFERENTIAL LOCK481
HYDRAULIC PUMP482
2-SPOOL CONTROL VALVE484
3-SPOOL CONTROL VALVE486
6-SPOOL CONTROL VALVE488
7-SPOOL CONTROL VALVE491
8-SPOOL CONTROL VALVE493
BRAKE PUMP494
SHOVEL CYCLINDER495
BACKHOE CYLINDERS497
FRONT WORKING EQUIPMENT503
SWING BRACKET505
BACKHOE WORKING EQUIPMENT507

IMAGES PREVIEW OF THE MANUAL:

S.M 21/12/24