Komatsu WB91R-5 Backhoe-Loader Shop Manual WEBM007600 PDF
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Komatsu WB91R-5 Backhoe-Loader Shop Manual WEBM007600 – PDF DOWNLOAD
- Serial Number WB91R-5 F00003 and up
Description
Komatsu WB91R-5 Backhoe-Loader Shop Manual WEBM007600 – PDF DOWNLOAD
FILE DETAILS:
Komatsu WB91R-5 Backhoe-Loader Shop Manual WEBM007600 – PDF DOWNLOAD
Language : English
Pages : 590
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Komatsu WB91R-5 Backhoe-Loader Shop Manual WEBM007600 – PDF DOWNLOAD
- Serial Number WB91R-5 F00003 and up
CONTENTS 3
REVISED PAGES 5
k SAFETY 7
INTRODUCTION 9
HOW TO READ THE SHOP MANUAL 10
HOISTING INSTRUCTIONS 11
STANDARD TIGHTENING TORQUE 12
COATING MATERIALS 14
ELECTRIC 15
WEIGHT TABLE 16
TABLE OF OIL AND COOLANT QUANTITIES 17
CONVERSION TABLE 19
10 STRUCTURE AND FUNCTION 27
POWER TRAIN 28
TRANSMISSION (4WD) 31
DRIVE SHAFTS 36
CONTROL VALVE BLOCK 38
TRANSMISSION (2WD) 39
DRIVE SHAFTS 44
CONTROL VALVE BLOCK 45
FRONT AXLE (4WD) 46
FRONT AXLE (2WD) 49
REAR AXLE 51
HYDRAULIC CIRCUIT 0
HYDRAULIC PUMP 57
SHOVEL CONTROL VALVE 59
BACKHOE CONTROL VALVE 63
SOLENOID VALVE 68
BRAKES PUMP 69
SHOVEL CYLINDERS 70
RAISING CYLINDER 70
DUMPING CYLINDER 70
4 IN 1 BUCKET 71
BACKHOE CYLINDERS 72
BOOM CYLINDER 72
ARM 72
BUCKET CYLINDER 73
OUTRIGGER CYLINDER 73
BOOM SWING CYLINDER 74
JIG ARM CYLINDER 74
20 TESTING AND ADJUSTMENTS 77
NORMAL OR STANDARD TECHNICAL DATA 79
SPECIAL TOOLS 93
VALVE CLEARANCE ADJUSTING 95
ENGINE SPEED TESTS 96
BLEEDING AIR FROM CIRCUITS – ELIMINATING RESIDUAL PRESSURE 98
ADJUSTING ACCELERATOR PEDAL TRAVEL AND ACCELERATOR LEVER 100
ADJUSTING BRAKE PEDAL SLACK/ALIGNMENT 102
BRAKING SYSTEM CHECKS 103
PARKING BRAKE ADJUSTMENT 106
CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT 107
CHECKING THE LOAD SENSING SIGNAL (LS VALVE) 114
CHECKING FOR PROPER FUNCTIONING OF THE COMPENSATED FLOW VALVE 115
CHECKING FOR PROPER OPERATION OF THE PRIORITY VALVE 116
TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE 117
CHECKING FOR LEAKS IN THE STEERING CYLINDERS 118
TESTING PRESSURES IN THE POWER TRAIN GROUP 119
TESTING THE CORRECT FUNCTIONING OF THE POWER TRAINCLUTCHES 121
ADJUSTING THE RETURN-TO-DIG DEVICE SENSOR (Optional) 122
ANALYSIS OF CAUSES HYDRAULIC DRIFT 123
FRONT EQUIPMENT 123
BACKHOE 125
TROUBLESHOOTING 128
FRONT AXLE (2WD) 128
FRONT AXLE CHECKING AND TROUBLESHOOTING (2WD) 129
FRONT AXLE (4WD) 130
FRONT AXLE CHECKING AND TROUBLESHOOTING (4WD) 133
REAR AXLE TROUBLESHOOTING 135
REAR AXLE CHECKING AND TROUBLESHOOTING 138
TRANSMISSION TROUBLESHOOTING (2WD) 140
TRANSMISSION TROUBLESHOOTING (4WD) 143
30 REMOVAL AND INSTALLATION 147
HOW TO READ THE MANUAL 149
PRECAUTIONS TO BE TAKEN WHILE WORKING 150
SPECIAL TOOLS 151
ENGINE HOOD 155
Removal 155
Installation 156
FRONT GUARD 157
Removal 157
Installation 157
RADIATOR GROUP 158
Removal 158
Installation 161
MUFFLER 162
Removal 162
Installation 162
AIR FILTER 163
Removal 163
Installation 163
EXHAUST PIPE 164
Removal 164
Installation 164
FAN AND HEATING GROUP 165
Removal 165
Installation 170
BATTERY 171
Removal 171
Installation 172
FUEL TANK 173
Removal 173
Installation 174
STEERING WHEEL AND TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP 175
Removal 175
Installation 176
WORKING BRAKE PUMP GROUP 177
Removal 177
Installation 179
STEERING UNIT 180
Removal 180
Installation 181
CAB 182
Removal 182
Installation 187
HYDRAULIC OIL TANK 189
Removal 189
Installation 195
PUMP 196
Removal 196
Installation 197
TRANSMISSION 198
Removal 198
Installation 202
TRANSMISSION 2WD 203
Disassembly and 2WD shift assembly 203
TRANSMISSION 4WD 283
Disassembly and 4WD shift assembly 283
CONVERTOR 389
Removal 389
Installation 389
ENGINE 390
Removal 390
Installation 393
BACKHOE CONTROL VALVE 394
Removal 394
Installation 397
FRONT AXLE 398
Removal 398
Installation 399
FRONT AXLE (2WD) 401
Disassembly and assembly front axle (2WD) 401
FRONT AXLE (4WD) 415
Disassembly and assembly front axle 4WD 415
REAR AXLE 448
Removal 448
Installation 450
Disassembly and assembly 451
FRONT EQUIPMENT CONTROL VALVE 501
Removal 501
Installation 502
SOLENOID VALVE GROUP (Boom safety differential lock) 503
Removal 503
Installation 503
SHOVEL LIFT CYLINDERS 504
Removal 504
Installation 505
SHOVEL DUMP CYLINDERS 506
Removal 506
Installation 507
SHOVEL 508
Removal 508
Installation 508
FRONT WORKING EQUIPMENT 509
Removal 509
Installation 510
BACKHOE BOOM CYLINDER 511
Removal 511
Installation 513
ARM CYLINDER 514
Removal 514
Installation 515
JIG ARM CYLINDER 516
Removal 516
Installation 516
OUTRIGGER CYLINDER 517
Removal 517
Installation 518
BACKHOE SWING CYLINDERS 519
Removal 519
Installation 521
BACKHOE BUCKET CYLINDER 522
Removal 522
Installation 523
BACKHOE BOOM SAFETY CYLINDER 524
Removal 524
Installation 525
CYLINDER 526
SHOVEL ARM, SHOVEL, BOOM, ARM, BUCKET, OUTRIGGERS 526
Disassembly 526
Assembly 528
BACKHOE SWING CYLINDERS 531
Disassembly 531
Assembly 534
BACKHOE WORKING EQUIPMENT 537
Removal 537
Installation 538
BACKHOE BUCKET 539
Removal 539
Installation 539
BACKHOE BOOM CYLINDER 540
Removal 540
Installation 540
ARM 541
Removal 541
Installation 541
JIG ARM 542
Removal 542
Installation 542
2nd ARM 543
Removal 543
Installation 543
2nd ARM GUIDES 544
Removal 544
Installation 544
BACKHOE SWING BRACKET 545
Removal 545
Installation 545
COMPLETE BACKHOE BACKFRAME 546
Removal 546
Installation 547
BACKFRAME LOCK PISTONS 548
Removal 548
Installation 549
40 STANDARD MAINTENANCE 551
TRANSMISSION 2WD 552
TRANSMISSION 4WD 557
FRONT AXLE (2WD) 562
FRONT AXLE (4WD) 563
REAR AXLE 2WD – 4WD 567
SHOVEL CYLINDERS 571
DUMP CYLINDER 571
RAISE CYLINDER 571
4 IN 1 BUCKET 572
BACKHOE CYLINDERS 574
BOOM 574
ARM 574
BUCKET 574
BOOM SWING 575
OUTRIGGERS 576
JIG ARM 576
FRONT WORKING EQUIPMENT 578
SWING BRACKET 580
BACKHOE WORKING EQUIPMENT 582
90 OTHER 585
ELECTRICAL DIAGRAM (STANDARD VERSION) 587
DESCRIPTION:
Komatsu WB91R-5 Backhoe-Loader Shop Manual WEBM007600 – PDF DOWNLOAD
- Serial Number WB91R-5 F00003 and up
G.B 20/12/24
