Komatsu Backhoe-Loader WB93R-5E0 Shop Manual WEB008101 – PDF DOWNLOAD

Description

Komatsu Backhoe-Loader WB93R-5E0 Shop Manual WEB008101 – PDF DOWNLOAD

FILE DETAILS:

Komatsu Backhoe-Loader WB93R-5E0 Shop Manual WEB008101 – PDF DOWNLOAD

Language : English
Pages :626
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu Backhoe-Loader WB93R-5E0 Shop Manual WEB008101 – PDF DOWNLOAD

SERIAL NUMBER
WB93R-5E0 f 60003 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.

TABLE OF CONTENTS:

Komatsu Backhoe-Loader WB93R-5E0 Shop Manual WEB008101 – PDF DOWNLOAD

SERIAL NUMBER
WB93R-5E0 f 60003 and up

CONTENTS 3
REVISED PAGES 5
k SAFETY 7
FOREWORD 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) 30
TRANSMISSION 32
DRIVE SHAFTS 35
CONTROL VALVE BLOCK 37
FRONT AXLE 38
REAR AXLE 41
HYDRAULIC CIRCUIT (WITH MECHANICAL CONTROL) 45
HYDRAULIC CIRCUIT (WITH SERVOCONTROL) 46
HYDRAULIC PUMP 47
1 MAIN PUMP 48
2 DELIVERY CONTROL VALVE 53
8-SPOOL CONTROL VALVE (WITH MECHANICAL CONTROL) 62
10-SPOOL CONTROL VALVE (WITH MECHANICAL CONTROL) 68
8-SPOOL CONTROL VALVE (WITH SERVOCONTROL) 74
10-SPOOL CONTROL VALVE (WITH SERVOCONTROL) 80
CLSS 87
1 DESCRIPTION 87
2 OPERATING PRINCIPLES 88
3 OPERATION FOR EACH CIRCUIT AND VALVE 90
STEERING UNIT108
PPC VALVES109
SHOVEL PPC VALVE (STANDARD)109
SHOVEL PPC VALVE (FLOAT + RETURN TO DIG)113
OUTRIGGERS PPC VALVE119
PPC VALVE (BACKHOE CONTROLS)124
LH PPC VALVE124
RH PPC VALVE125
SOLENOID VALVE GROUP (EV1)126
BACKHOE VERSION WITH MECHANICAL CONTROLS WITHOUT 4 IN 1 BUCKET126
BACKHOE VERSION WITH MECHANICAL CONTROLS WITH 4 IN 1 BUCKET127
BACKHOE VERSION WITH SERVOCONTROLS129
SAFETY VALVES130
SHOVEL RAISE130
SHOVEL DUMP131
BOOM132
ARM133
SHOVEL CYLINDERS134
RAISING CYLINDER134
DUMPING CYLINDER134
4 IN 1 BUCKET135
BACKHOE CYLINDERS136
BOOM CYLINDER136
ARM136
BUCKET CYLINDER137
OUTRIGGER CYLINDER137
BOOM SWING CYLINDER138
JIG ARM CYLINDER138
AIR-CONDITIONING UNIT140
HOW THE AIR-CONDITIONING UNIT FUNCTIONS141
FUSE AND RELAY CENTRE143
DRIVER SEAT WIRING144
SWITCH PANEL WIRING145
FRONT DASH WIRING146
ROOF WIRING147
ENGINE WIRING148
SPEED SELECTOR WIRING149
BACKHOE WIRING150
JIG ARM WIRING151
WIRING DIAGRAM (STANDARD VERSION) (see also Group 90)152
20 TESTING AND ADJUSTMENTS153
NORMAL OR STANDARD TECHNICAL DATA155
SPECIAL TOOLS179
VALVE CLEARANCE ADJUSTING181
ENGINE SPEED TESTS182
TENSIONING THE AIR-CONDITIONING COMPRESSOR BELT184
BLEEDING AIR FROM CIRCUITS – ELIMINATING RESIDUAL PRESSURE185
ADJUSTING ACCELERATOR PEDAL TRAVEL AND ACCELERATOR LEVER187
ADJUSTING BRAKE PEDAL SLACK/ALIGNMENT189
BRAKING SYSTEM CHECKS190
PARKING BRAKE ADJUSTMENT193
CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT194
CHECKING THE SETTING OF MAIN RELIEF AND SECONDARY VALVES196
SETTING THE MAIN RELIEF VALVES AND THE REDUCING VALVES200
CHECKING AND ADJUSTING THE LS DIFFERENTIAL PRESSURE – ADJUSTING THE LS VALVE202
CHECKING AND ADJUSTING SERVOCONTROLS SUPPLY PRESSURE204
ADJUSTING THE PC VALVE205
TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE206
CHECKING FOR LEAKS IN THE STEERING CYLINDERS207
TESTING PRESSURES IN THE POWER TRAIN GROUP208
TESTING THE CORRECT FUNCTIONING OF THE POWER TRAINCLUTCHES210
JIG ARM CLEARANCE ADJUSTMENT211
ANALYSIS OF CAUSES HYDRAULIC DRIFT215
FRONT EQUIPMENT215
BACKHOE217
TESTING THE AIR-CONDITIONING UNIT220
EMPTYING THE AIR-CONDITIONING UNIT222
TROUBLESHOOTING223
FRONT AXLE TROUBLESHOOTING223
FRONT AXLE CHECKING AND TROUBLESHOOTING226
REAR AXLE TROUBLESHOOTING228
REAR AXLE CHECKING AND TROUBLESHOOTING231
TRANSMISSION TROUBLESHOOTING233
30 REMOVAL AND INSTALLATION237
HOW TO READ THE MANUAL239
PRECAUTIONS TO BE TAKEN WHILE WORKING240
SPECIAL TOOLS241
ENGINE HOOD245
Removal245
Installation246
FRONT GUARD247
Removal247
Installation247
RADIATOR GROUP – INTERCOOLER248
Removal248
Installation252
INTERCOOLER253
Removal253
Installation254
CONDENSER255
(For machines equipped with an air-conditioning unit)255
Removal255
Installation255
EXHAUST PIPE256
Removal256
Installation256
MUFFLER257
Removal257
Installation257
AIR FILTER258
Removal258
Installation258
ENGINE BELT259
Replacement259
TURBOCHARGER260
Removal260
Installation261
AIR-CONDITIONING UNIT COMPRESSOR262
Removal262
Installation263
AIR-CONDITIONING UNIT COMPRESSOR BELT264
Removal264
Installation265
FAN AND HEATING GROUP266
Removal266
Installation271
BATTERY272
Removal272
Installation273
FUEL TANK274
Removal274
Installation275
STEERING WHEEL AND TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP276
Removal276
Installation277
WORKING BRAKE PUMP GROUP278
Removal278
Installation280
STEERING UNIT281
Removal281
Installation282
CAB283
Removal283
Installation290
HYDRAULIC OIL TANK291
Removal291
Installation297
PISTON PUMP298
Removal298
Installation299
TRANSMISSION300
Removal300
Installation304
TRANSMISSION305
Disassembly and assembly305
CONVERTOR409
Removal409
Installation409
ENGINE410
Removal410
Installation414
CONTROL VALVE (Standard version)415
Removal415
Installation418
CONTROL VALVE (version with servocontrol)419
Removal419
Installation421
FRONT AXLE422
Removal422
Installation424
FRONT AXLE425
Disassembly and assembly425
REAR AXLE458
Removal458
Installation460
Disassembly and assembly461
SHOVEL PPC VALVE511
Removal511
Installation512
SHOVEL LIFT CYLINDERS513
Removal513
Installation514
SHOVEL DUMP CYLINDERS515
Removal515
Installation516
SHOVEL517
Removal517
Installation517
FRONT WORKING EQUIPMENT518
Removal518
Installation519
BACKHOE PPC VALVES (Optional)520
Removal520
Installation521
PPC VALVE SUPPORT RELEASE CABLES522
Removal522
Installation523
PPC VALVE SUPPORT RETURN GAS SPRING524
Removal524
Installation525
SOLENOID VALVE GROUP (servocontrol and optional attachment)526
Removal526
Installation527
BACKHOE BOOM CYLINDER528
Removal528
Installation530
ARM CYLINDER531
Removal531
Installation532
JIG ARM CYLINDER533
Removal533
Installation533
OUTRIGGER CYLINDER534
Removal534
Installation535
BACKHOE SWING CYLINDERS536
Removal536
Installation538
BACKHOE BUCKET CYLINDER539
Removal539
Installation540
BACKHOE BOOM SAFETY CYLINDER541
Removal541
Installation542
BACKHOE WORKING EQUIPMENT543
Removal543
Installation544
BACKHOE BUCKET545
Removal545
Installation545
BACKHOE BOOM CYLINDER546
Removal546
Installation546
ARM547
Removal547
Installation547
JIG ARM548
Removal548
Installation548
2nd ARM549
Removal549
Installation549
2nd ARM GUIDES550
Removal550
Installation550
BACKHOE SWING BRACKET551
Removal551
Installation551
COMPLETE BACKHOE BACKFRAME552
Removal552
Installation553
BACKFRAME LOCK PISTONS554
Removal554
Installation555
40 STANDARD MAINTENANCE557
TRANSMISSION558
FRONT AXLE563
REAR AXLE567
HYDRAULIC PUMP571
CONTROL VALVE574
8-SPOOL VERSION (WITH MECHANICAL CONTROL)574
10-SPOOL VERSION (WITH MECHANICAL CONTROL)582
8-SPOOL VERSION (WITH SERVOCONTROL)590
10-SPOOL VERSION (WITH SERVOCONTROL)598
PPC VALVES606
SHOVEL CONTROL606
SHOVEL CYLINDERS608
DUMP CYLINDER608
RAISE CYLINDER608
4 IN 1 BUCKET609
BACKHOE CYLINDERS610
BOOM610
ARM610
BUCKET610
BOOM SWING611
OUTRIGGERS612
JIG ARM612
FRONT WORKING EQUIPMENT614
SWING BRACKET616
BACKHOE WORKING EQUIPMENT618
90 OTHER621
ELECTRICAL DIAGRAM (STANDARD VERSION)623

IMAGES PREVIEW OF THE MANUAL:

S.M 27/12/24