Komatsu WB97S-5E0 Backhoe Loader Shop Manual WEBM008402 PDF

Description

Komatsu WB97S-5E0 Backhoe Loader Shop Manual WEBM008402 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WB97S-5E0 Backhoe Loader Shop Manual WEBM008402 – PDF DOWNLOAD 

Language : English
Pages : 562
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu WB97S-5E0 Backhoe Loader Shop Manual WEBM008402 – PDF DOWNLOAD 

Serial Number WB97S-5E0 F30451 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
STEERING SYSTEM (4WS) 42
HYDRAULIC PUMP 46
8-SPOOL CONTROL VALVE 60
10-SPOOL CONTROL VALVE 68
CLSS 77
STEERING UNIT 98
PPC VALVES (SHOVEL CONTROL) 99
PPC VALVE (BACKHOE CONTROLS) 114
SOLENOID VALVE GROUP (EV1) 120
SOLENOID VALVE GROUP (EV2) 121
HAMMER AND JIG ARM SOLENOID VALVE 122
HAMMER SOLENOID VALVE 123
JIG ARM SOLENOID VALVE 124
JIG ARM AND SIDE DIGGING BOOM SOLENOID VALVE 125
JIG ARM AND 2-WAY ATTACHMENT SOLENOID VALVE 126
SIDE DIGGING BOOM SOLENOID VALVE 127
2-WAY ATTACHMENT SOLENOID VALVE 128
SAFETY VALVES 129
SHOVEL CYLINDERS 134
BACKHOE CYLINDERS 136
AIR-CONDITIONING UNIT 141
OPERATION OF THE AIR CONDITIONING UNIT 143
20 TESTING AND ADJUSTMENTS 145
NORMAL OR STANDARD TECHNICAL DATA 146
SPECIAL TOOLS 161
VALVE CLEARANCE ADJUSTING 162
ENGINE SPEED TESTS 163
TENSIONING THE AIR-CONDITIONING COMPRESSOR BELT 164
BLEEDING AIR FROM CIRCUITS – ELIMINATING RESIDUAL PRESSURE 165
ADJUSTING ACCELERATOR PEDAL TRAVEL AND ACCELERATOR LEVER 166
ADJUSTING BRAKE PEDAL SLACK/ALIGNMENT 168
BRAKING SYSTEM CHECKS 169
PARKING BRAKE ADJUSTMENT 171
CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT 173
CHECKING THE SETTING OF MAIN RELIEF AND SECONDARY VALVES 175
SETTING THE MAIN RELIEF VALVES AND THE REDUCING VALVES 178
CHECKING AND ADJUSTING THE LS DIFFERENTIAL PRESSURE ADJUSTING THE LS VALVE 180
CHECKING AND ADJUSTING SERVOCONTROLS SUPPLY PRESSURE 181
ADJUSTING THE PC VALVE 182
TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE 183
CHECKING FOR LEAKS IN THE STEERING CYLINDERS 184
TESTING PRESSURES IN THE POWER TRAIN GROUP 185
TESTING THE CORRECT FUNCTIONING OF THE POWER TRAINCLUTCHES 187
ANALYSIS OF CAUSES HYDRAULIC DRIFT 188
JIG ARM CLEARANCE ADJUSTMENT 192
TESTING THE AIR-CONDITIONING UNIT 194
EMPTYING THE AIR-CONDITIONING UNIT 196
TROUBLESHOOTING 197
30 REMOVAL AND INSTALLATION 211
HOW TO READ THE MANUAL 212
PRECAUTIONS TO BE TAKEN WHILE WORKING 213
SPECIAL TOOLS 214
ENGINE HOOD 218
FRONT GUARD 219
RADIATOR GROUP – INTERCOOLER 220
INTERCOOLER 223
CONDENSER 225
(For machines equipped with an air-conditioning unit) 225
EXHAUST PIPE 226
MUFFLER 227
AIR FILTER 228
ENGINE BELT 229
TURBOCHARGER 230
AIR-CONDITIONING UNIT COMPRESSOR 231
AIR-CONDITIONING UNIT COMPRESSOR BELT 233
FAN AND HEATING GROUP 234
BATTERY 239
FUEL TANK 240
STEERING WHEEL AND TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP 241
WORKING BRAKE PUMP GROUP 243
STEERING UNIT 245
CAB 247
HYDRAULIC OIL TANK 252
PISTON PUMP 257
TRANSMISSION 259
CONVERTOR 340
ENGINE 341
CONTROL VALVE 344
STEERING SOLENOID VALVE GROUP 347
FRONT AXLE 348
REAR AXLE 393
SHOVEL PPC VALVE 453
SHOVEL LIFT CYLINDERS 454
SHOVEL DUMP CYLINDERS 456
SHOVEL 457
FRONT WORKING EQUIPMENT 458
BACKHOE PPC VALVES 460
PPC VALVE SUPPORT RELEASE CABLES 461
PPC VALVE SUPPORT RETURN GAS SPRING 463
SOLENOID VALVE GROUP (servocontrol and optional attachment) 465
BACKHOE BOOM CYLINDER 466
ARM CYLINDER 468
JIG ARM CYLINDER 470
OUTRIGGER CYLINDER 471
BACKHOE SWING CYLINDERS 473
BACKHOE BUCKET CYLINDER 475
BACKHOE BOOM SAFETY CYLINDER 477
CYLINDER 479
BACKHOE WORKING EQUIPMENT 487
BACKHOE BUCKET 489
BACKHOE BOOM CYLINDER 490
ARM 491
JIG ARM 492
2nd ARM 493
2nd ARM GUIDES 494
BACKHOE SWING BRACKET 495
COMPLETE BACKHOE BACKFRAME 496
BACKFRAME LOCK PISTONS 498
40 STANDARD MAINTENANCE 501
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 502
TRANSMISSION 504
FRONT AXLE 507
REAR AXLE 510
HYDRAULIC PUMP 514
CONTROL VALVE 516
PPC VALVES 532
SHOVEL CYLINDERS 534
BACKHOE CYLINDERS 536
FRONT WORKING EQUIPMENT 539
SWING BRACKET 541
BACKHOE WORKING EQUIPMENT 543
90 DIAGRAMS AND DRAWINGS 545
HYDRAULIC CIRCUIT DIAGRAM – FROM S/N F30451 TO S/N F30794 AND FROM S/N F30796 TO S/N F30796 547
HYDRAULIC CIRCUIT DIAGRAM – FROM S/N F30795 TO S/N F30795 AND FROM S/N F30797 AND UP 549
HYDRAULIC CIRCUIT DIAGRAM – OPTIONAL 551
HYDRAULIC CIRCUIT DIAGRAM – STEERING 553
ELECTRICAL CIRCUIT DIAGRAM (1/3) 555
ELECTRICAL CIRCUIT DIAGRAM (2/3) 557
ELECTRICAL CIRCUIT DIAGRAM (3/3) 559

DESCRIPTION:

Komatsu WB97S-5E0 Backhoe Loader Shop Manual WEBM008402 – PDF DOWNLOAD 

Serial Number WB97S-5E0 F30451 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.

S.V 24/12/24