Komatsu PW98MR-6 Hydraulic Excavator Service Manual WEBM007302 PDF

Description

Komatsu PW98MR-6 Hydraulic Excavator Shop Manual WEBM007302 P- PDF DOWNLOAD

FILE DETAILS:

Komatsu PW98MR-6 Hydraulic Excavator Shop Manual WEBM007302 P- PDF DOWNLOAD

Language : English
Pages :480
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu PW98MR-6 Hydraulic Excavator Shop Manual WEBM007302 P- PDF DOWNLOAD

SERIAL NUMBER
PW98MR-8 F00003 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.

TABLE OF CONTENTS:

Komatsu PW98MR-6 Hydraulic Excavator Shop Manual WEBM007302 P- PDF DOWNLOAD

SERIAL NUMBER
PW98MR-8 F00003 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
PTO 28
FRONT AXLE 30
TRANSMISSION 36
REAR AXLE 38
STEERING UNIT 50
PRIORITY VALVE 51
SWING CIRCLE 52
SWING MACHINERY 53
SWIVEL JOINT 56
WORK EQUIPMENT CYLINDER 57
AXLE LOCKING CYLINDER 61
SOLENOID VALVE GROUP 62
HYDRAULIC PUMP 66
CONTROL VALVE 80
CLSS 91
SWING MOTOR108
TRAVEL MOTOR116
DISPLACEMENT AUTOMATIC CONTROL HIGH PRESSURE RELATED119
TRAVEL MOTOR BRAKE VALVES120
TRAVEL PPC VALVE122
ATTACHMENT124
BLADE, BOOM SWING, 2-PIECE BOOM PPC VALVES128
BRAKES PUMP132
EQUIPMENT133
20 TESTING AND ADJUSTMENTS137
NORMAL OR STANDARD TECHNICAL DATA139
PUMP FEATURES150
CHECK POSITIONS151
SPECIAL TOOLS157
MEASURING THE ENGINE SPEED159
CHECKING THE EXHAUST SMOKE COLOUR161
ADJUSTING VALVE CLEARANCE163
CHECKING COMPRESSION PRESSURE164
TESTING AND ADJUSTING FUEL INJECTION TIMING165
CHECKING ENGINE OIL PRESSURE168
ADJUSTING – CHECKING FUEL CONTROL LEVER LINKAGE169
ADJUSTING THE TACHOMETER SENSOR170
ADJUSTING PPC VALVE CLEARANCE171
ADJUSTING PPC VALVES CLEARANCE172
MEASURING THE SWING CIRCLE AXIAL CLEARANCE173
ADJUSTING THE REVOLVING FRAME ALIGNMENT SENSOR174
AIR BLEEDING FROM HYDRAULIC CIRCUITS175
RELEASING RESIDUAL PRESSURE FROM THE CIRCUITS178
CHECKING AND REGULATING PRESSURE IN THE HYDRAULIC CIRCUITS179
TESTING AND SETTING OF MAIN VALVES180
CHECKING AND ADJUSTING THE LS (Load Sensing) VALVE182
CHECKING SERVO-CONTROL CIRCUIT PRESSURE184
CHECKING PPC VALVE DELIVERY PRESSURE186
CHECKING SOLENOID VALVE OUTPUT PRESSURE187
CHECKING THAT THE PRIORITY VALVE IS FUNCTIONING CORRECTLY189
CHECKING AND REGULATING THE PRESSURE OF THE STEERING SYSTEM190
CHECKING LEAKAGES IN THE STEERING CYLINDERS191
CHECKING THE BRAKING SYSTEM192
CHECKING WEAR IN THE BRAKE DISKS198
AIR BLEEDING FROM FROM THE BRAKE LINES199
ADJUSTING THE PARKING BRAKE200
TRAVEL HYDRAULIC EQUIPMENT CHECKING PROCEDURE201
CHECKING AND ADJUSTING THE AUTOMATIC DISPLACEMENT CONTROL SYSTEM OF THE TRAVEL MOTOR202
CHECKING FOR LEAKAGES IN THE TRAVEL MOTOR203
CHECKING AND ADJUSTING THE SPEED OF THE TRAVEL PROPELLER SHAFT204
ADJUSTMENT OF THE SPEED SURVEYOR206
MEASUREMENT OF INTERNAL OIL LEAKAGES IN THE SWING MOTOR207
CHECKING FOR LEAKAGES INSIDE THE SWIVEL JOINT208
ANALYSIS OF THE CAUSES OF HYDRAULIC DRIFTS215
TESTING THE AIR-CONDITIONING UNIT225
EMPTYING THE AIR-CONDITIONING UNIT227
30 REMOVAL AND INSTALLATION229
HOW TO READ THE MANUAL231
PRECAUTIONS TO BE TAKEN WHILE WORKING232
SPECIAL TOOLS233
COUNTERWEIGHT247
Removal247
Installation248
INJECTION PUMP249
Removal249
Installation252
ENGINE HEAD253
Removal253
Installation256
COMPLETE HYDRAULIC PUMP257
Removal257
Installation259
SERVO-CONTROL PUMP260
Removal260
Installation260
ENGINE – PUMPS261
Removal261
Installation265
COMPLETE RADIATOR AND AIR CONDITIONING CONDENSER266
Removal266
Installation268
SWING MOTOR AND REDUCTION GEAR269
Removal269
Installation270
SWING MOTOR271
Removal271
Installation271
SWING REDUCTION GEAR272
Disassembly272
Assembly278
SWIVEL JOINT285
Removal285
Installation287
CONTROL VALVE288
Removal288
Installation289
Disassembly and assembly290
HYDRAULIC OIL TANK291
Removal291
Installation292
FUEL TANK293
Removal293
Installation294
CABIN295
Removal295
Installation299
REVOLVING FRAME300
Removal300
Installation301
SWING CIRCLE302
Removal302
Installation302
EQUIPMENT (1-piece boom version)303
Removal303
Installation305
UPPER EQUIPMENT (2-piece boom version)306
Removal306
Installation307
BOOM CYLINDER(For 1-piece boom)308
Removal308
Installation309
BOOM CYLINDER (version with 2-piece boom)310
Removal310
Installation312
2-PIECE BOOM CYLINDER313
Removal313
Installation314
ARM CYLINDER315
Removal315
Installation316
BUCKET CYLINDER317
Removal317
Installation318
BOOM SWING CYLINDER319
Removal319
Installation320
SWING SUPPORT321
Removal321
Installation323
OUTRIGGERS/BLADE CYLINDERS324
Removal324
Installation324
CYLINDERS325
Disassembly325
Assembly327
BLADE AND OUTRIGGERS330
Removal330
Installation330
BLADE AND OUTRIGGER ARMS331
Removal331
Installation331
TRANSMISSION – REVERSER, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP332
Removal332
Installation332
LH PPC VALVE333
Removal333
Installation334
RH PPC VALVE335
Removal335
Installation335
EQUIPMENT PPC VALVES336
Assembly336
BLADE PPC VALVE337
Removal337
Installation337
BOOM SWING PPC VALVE338
Removal338
Installation339
EVAPORATOR UNIT340
Removal340
Installation344
2-PIECE BOOM PPC VALVE345
Removal345
Installation346
BRAKE PUMP347
Removal347
Installation348
TRAVEL PPC VALVE349
Removal349
Installation350
ACCELERATOR ASSEMBLY351
Removal351
Installation352
CONTROLLER353
Removal353
Installation353
SAFETY MICROSWITCH354
Removal354
Installation355
CONTROL MODULE356
Removal356
Installation356
STEERING UNIT357
Removal357
Installation358
Disassembly359
Assembly364
PRIORITY VALVE375
Removal375
Installation375
TRAVEL MOTOR376
Removal376
Installation377
TRANSMISSION378
Removal378
Installation379
Disassembly380
Assembly387
AXLE LOCKING CYLINDERS394
Removal394
Installation394
FRONT AXLE395
Removal395
Installation397
REAR AXLE398
Removal398
Installation400
AXLES401
Disassembly401
Assembly427
90 OTHER461
HYDRAULIC CIRCUIT DIAGRAM (VERSION WITH OUTRIGGERS)463
HYDRAULIC CIRCUIT DIAGRAM (VERSION WITH REAR BLADE)465
HYDRAULIC CIRCUIT DIAGRAM (VERSION WITH REAR OUTRIGGERS AND FRONT BLADE)467
ELECTRICAL DIAGRAM (1/5)469
ELECTRICAL DIAGRAM (2/5)471
ELECTRICAL DIAGRAM (3/5)473
ELECTRICAL DIAGRAM (4/5)475
ELECTRICAL DIAGRAM (5/5)477

IMAGES PREVIEW OF THE MANUAL:

S.M 27/12/24