Komatsu WB97R-5E0 Backhoe Loader Shop Manual WENBM00090 PDF

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Komatsu WB97R-5E0 Backhoe Loader Shop Manual WENBM00090 – PDF DOWNLOAD

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Komatsu WB97R-5E0 Backhoe Loader Shop Manual WENBM00090 – PDF DOWNLOAD 

Language : English
Pages : 478
Downloadable : Yes
File Type : PDF

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DESCRIPTION:

Komatsu WB97R-5E0 Backhoe Loader Shop Manual WENBM00090 – PDF DOWNLOAD 

SERIAL NUMBER WB97R-5E0 F90001 and up

FOREWORD:

This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator an accurate
understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service workshop.
The manual is divided into chapters on each main group of components; these chapters are further divided into the
following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding
of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTMENTS
This sections explains checks to be made before and after performing repairs, as well as adjustments to be
made at completion of the checks and repairs.
Troubleshooting charts correlating «Problems» to «Causes» are also included in this section.
REMOVAL AND INSTALLATION
This section explains the order to be followed when removing, installing, disassembling or assembling each
component, as well as precautions to be taken for these operations.
STANDARD MAINTENANCE
This section gives the judgement standards when inspecting disassembled parts

TABLE OF CONTENTS:

Komatsu WB97R-5E0 Backhoe Loader Shop Manual WENBM00090 – PDF DOWNLOAD 

SERIAL NUMBER WB97R-5E0 F90001 and up

CONTENTS 3
SAFETY 5
FOREWORD 7
HOW TO READ THE SHOP MANUAL 8
HOISTING INSTRUCTIONS 9
STANDARD TIGHTENING TORQUE 10
COATING MATERIALS 12
ELECTRIC 13
WEIGHT TABLE 14
TABLE OF OIL AND COOLANT QUANTITIES 15
CONVERSION TABLE 17
10 STRUCTURE AND FUNCTION 25
POWER TRAIN 26
TRANSMISSION (4WD) 28
TRANSMISSION 30
CONTROL VALVE BLOCK 32
DRIVE SHAFTS 33
FRONT AXLE 35
REAR AXLE 38
HYDRAULIC PUMP 42
1 MAIN PUMP 43
10-SPOOL CONTROL VALVE 56
CLSS 65
1 DESCRIPTION 65
2 OPERATING PRINCIPLES 66
3 OPERATION FOR EACH CIRCUIT AND VALVE 68
STEERING UNIT 84
PPC VALVES 85
SHOVEL PPC VALVE (FLOAT + RETURN TO DIG) 85
OUTRIGGERS PPC VALVE 91
PPC VALVE (BACKHOE CONTROLS) 96
L H PPC VALVE 96
R H PPC VALVE 97
R H PPC VALVE WITH JIG ARM 98
SOLENOID VALVE GROUP (EV1) 99
SOLENOID VALVES 100
HAMMER SOLENOID VALVE 100
JIG ARM SOLENOID VALVE 101
SHOVEL CYLINDERS 102
BACKHOE CYLINDERS 104
AIR-CONDITIONING UNIT 108
OPERATION OF THE AIR CONDITIONING UNIT 109
20 TESTING AND ADJUSTMENTS 111
NORMAL OR STANDARD TECHNICAL DATA 112
SPECIAL TOOLS 127
VALVE CLEARANCE ADJUSTING 128
ENGINE SPEED TESTS 129
TENSIONING THE AIR- CONDITIONING COMPRESSOR BELT 130
BLEEDING AIR FROM CIRCUITS – ELIMINATING RESIDUAL PRESSURE 131
ADJUSTING ACCELERATOR PEDAL TRAVEL AND ACCELERATOR LEVER 133
ADJUSTING BRAKE PEDAL SLACK/ALIGNMENT 135
BRAKING SYSTEM CHECKS 136
PARKING BRAKE ADJUSTMENT 138
CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT 139
CHECKING THE SETTING OF MAIN RELIEF AND SECONDARY VALVES 141
SETTING THE MAIN RELIEF VALVES AND THE REDUCING VALVES 144
CHECKING AND ADJUSTING THE LS DIFFERENTIAL PRESSURE ADJUSTING THE LS VALVE 146
CHECKING AND ADJUSTING SERVOCONTROLS SUPPLY PRESSURE 147
ADJUSTING THE PC VALVE 148
TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE 149
CHECKING FOR LEAKS IN THE STEERING CYLINDERS 150
TESTING PRESSURES IN THE POWER TRAIN GROUP 151
TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES 153
JIG ARM CLEARANCE ADJUSTMENT 154
ANALYSIS OF CAUSES HYDRAULIC DRIFT 156
FRONT EQUIPMENT 156
BACKHOE 157
TESTING THE AIR-CONDITIONING UNIT 161
EMPTYING THE AIR-CONDITIONING UNIT 163
TROUBLESHOOTING 164
FRONT AXLE TROUBLESHOOTING 164
FRONT AXLE CHECKING AND TROUBLESHOOTING 167
REAR AXLE TROUBLESHOOTING 169
REAR AXLE CHECKING AND TROUBLESHOOTING 172
TRANSMISSION TROUBLESHOOTING 174
30 REMOVAL AND INSTALLATION 177
HOW TO READ THE MANUAL 178
PRECAUTIONS TO BE TAKEN WHILE WORKING 179
SPECIAL TOOLS 180
ENGINE HOOD 184
Removal 184
Installation 184
FRONT GUARD 185
Removal 185
Installation 185
RADIATOR GROUP – INTERCOOLER 186
Removal 186
Installation 188
INTERCOOLER 189
Removal 189
Installation 190
CONDENSER 191
Removal 191
Installation 191
EXHAUST PIPE 192
Removal 192
Installation 192
MUFFLER 193
Removal 193
Installation 193
AIR FILTER 194
Removal 194
Installation 194
ENGINE BELT 195
Replacement 195
TURBOCHARGER 196
Removal 196
Installation 196
AIR-CONDITIONING UNIT COMPRESSOR 197
Removal 197
Installation 198
AIR-CONDITIONING UNIT COMPRESSOR BELT 199
Removal 199
Installation 199
FAN AND HEATING GROUP 200
Removal 200
Installation 204
BATTERY 205
Removal 205
Installation 205
FUEL TANK 206
Removal 206
Installation 206
STEERING WHEEL AND TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP 207
Removal 207
Installation 208
WORKING BRAKE PUMP GROUP 209
Removal 209
Installation 210
STEERING UNIT 211
Removal 211
Installation 212
CAB 213
Removal 213
Installation 217
HYDRAULIC OIL TANK 218
Removal 218
Installation 222
PISTON PUMP 223
Removal 223
Installation 224
TRANSMISSION 225
Removal 225
Installation 227
CONVERTOR 304
Removal 304
Installation 304
ENGINE 305
Removal 305
Installation 307
CONTROL VALVE 308
Removal 308
Installation 310
FRONT AXLE 311
Removal 311
Installation 312
REAR AXLE 343
Removal 343
Installation 344
SHOVEL PPC VALVE 384
Removal 384
Installation 384
SHOVEL LIFT CYLINDERS 385
Removal 385
Installation 386
SHOVEL DUMP CYLINDERS 387
Removal 387
Installation 387
SHOVEL 389
Removal 389
Installation 389
FRONT WORKING EQUIPMENT 390
Removal 390
Installation 391
BACKHOE PPC VALVES 392
Removal 392
Installation 392
PPC VALVE SUPPORT RELEASE CABLES 393
Removal 393
Installation 394
PPC VALVE SUPPORT RETURN GAS SPRING 395
Removal 395
Installation 396
SOLENOID VALVE GROUP (servocontrol and optional attachment) 397
Removal 397
Installation 397
BACKHOE BOOM CYLINDER 398
Removal 398
Installation 399
ARM CYLINDER 400
Removal 400
Installation 401
JIG ARM CYLINDER 402
Removal 402
Installation 402
OUTRIGGER CYLINDER 403
Removal 403
Installation 404
OUTRIGGER ARMS 405
Removal 405
Installation 405
BACKHOE SWING CYLINDERS 406
Removal 406
Installation 407
BACKHOE BUCKET CYLINDER 408
Removal 408
Installation 409
BACKHOE BOOM SAFETY CYLINDER 410
Removal 410
Installation 410
CYLINDER 411
SHOVEL ARM, SHOVEL, BOOM, ARM, BUCKET, OUTRIGGERS 411
BACKHOE SWING CYLINDERS 415
BACKHOE WORKING EQUIPMENT 419
Removal 419
Installation 420
BACKHOE BUCKET 421
Removal 421
Installation 421
BACKHOE BOOM 422
Removal 422
Installation 422
ARM 423
Removal 423
Installation 423
JIG ARM 424
Removal 424
Installation 424
2nd ARM 425
Removal 425
Installation 425
2nd ARM GUIDES 426
Removal 426
Installation 426
BACKHOE SWING BRACKET 427
Removal 427
Installation 427
40 STANDARD MAINTENANCE 429
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 430
Standard size and tolerance 430
Standard clearance and standard value 431
Standard interference 431
Repair limit and allowable value or allowable dimension 431
Clearance limit 431
Interference limit 431
TRANSMISSION 432
FRONT AXLE 435
REAR AXLE 439
HYDRAULIC PUMP 445
CONTROL VALVE 447
PPC VALVES 455
SHOVEL CONTROL 455
SHOVEL CYLINDERS 456
DUMP CYLINDER 456
LIFTING CYLINDER 456
4 IN 1 BUCKET 457
BACKHOE CYLINDERS 458
BOOM 458
ARM 458
BUCKET 458
BOOM SWING 459
OUTRIGGERS 460
JIG ARM 460
FRONT WORKING EQUIPMENT 461
SWING BRACKET 463
90 DIAGRAMS AND DRAWINGS 467
HYDRAULIC CIRCUIT DIAGRAM 469
ELECTRICAL CIRCUIT DIAGRAM (1/3) 471
ELECTRICAL CIRCUIT DIAGRAM (2/3) 473
ELECTRICAL CIRCUIT DIAGRAM (3/3) 475

S.V 12/12/24