Komatsu Hydraulic Excavator PC88MR-6 Shop Manual WEBM007200 – PDF DOWNLOAD

Description

Komatsu Hydraulic Excavator PC88MR-6 Shop Manual WEBM007200 – PDF DOWNLOAD

FILE DETAILS:

Komatsu Hydraulic Excavator PC88MR-6 Shop Manual WEBM007200 – PDF DOWNLOAD

Language : English
Pages :328
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu Hydraulic Excavator PC88MR-6 Shop Manual WEBM007200 – PDF DOWNLOAD

SERIAL NUMBER
PC88MR-6 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 work- shop. 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 Hydraulic Excavator PC88MR-6 Shop Manual WEBM007200 – PDF DOWNLOAD

SERIAL NUMBER
PC88MR-6 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, FUNCTION ANDMAINTENANCE STANDARD 27
POWER TRAIN 28
SWING CIRCLE 29
SWING MACHINERY 31
TRACK FRAME AND IDLER CUSHION 34
IDLER 36
TRACK ROLLER 37
CARRIER ROLLER 38
SPROCKET 39
TRACK SHOE 40
SHOES 43
RUBBER SHOE 44
SWIVEL JOINT 45
TRAVEL MOTOR 46
WORK EQUIPMENT CYLINDER 48
SOLENOID VALVE GROUP 52
HYDRAULIC PUMP 55
CONTROL VALVE 66
CLSS 78
SWING MOTOR108
ATTACHMENT117
TRAVEL PPC VALVE122
BLADE, BOOM SWING, 2-PIECE BOOM PPC VALVES126
EQUIPMENT130
20 TESTING AND ADJUSTMENTS133
NORMAL OR STANDARD TECHNICAL DATA135
PUMP FEATURES143
CHECK POSITIONS144
SPECIAL TOOLS149
MEASURING THE ENGINE SPEED151
CHECKING THE EXHAUST SMOKE COLOUR153
ADJUSTING VALVE CLEARANCE155
CHECKING COMPRESSION PRESSURE156
TESTING AND ADJUSTING FUEL INJECTION TIMING157
CHECKING ENGINE OIL PRESSURE160
ADJUSTING – CHECKING FUEL CONTROL LEVER LINKAGE161
ADJUSTING THE TACHOMETER SENSOR162
CHECKING AND CALIBRATING PRESSURE IN THE SECONDARY VALVES163
CHECKING AND ADJUSTING THE LS (Load Sensing) VALVE166
ADJUSTING PC VALVE168
CHECKING TVC-EPC SOLENOID VALVE OUTPUT PRESSURE169
CHECKING SERVO-CONTROL CIRCUIT PRESSURE170
CHECKING PPC VALVE DELIVERY PRESSURE172
CHECKING SOLENOID VALVE OUTPUT PRESSURE173
ADJUSTING BOOM SAFETY VALVE175
ADJUSTING PPC VALVE CLEARANCE176
MEASURING TRAVEL DEVIATION177
ANALYSIS OF THE CAUSES OF HYDRAULIC DRIFTS179
METHODS FOR TESTING FOR LEAKAGES INSIDE THE SWIVEL JOINT185
ELIMINATING PRESSURES FROM CIRCUITS186
MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS187
TESTING AND ADJUSTING TRACK SHOE TENSION188
AIR BLEEDING FROM HYDRAULIC CIRCUITS189
POTENTIOMETER REPLACEMENT PROCEDURE192
TESTING THE AIR-CONDITIONING UNIT193
EMPTYING THE AIR-CONDITIONING UNIT195
30 REMOVAL AND INSTALLATION197
HOW TO READ THE MANUAL199
PRECAUTIONS TO BE TAKEN WHILE WORKING200
SPECIAL TOOLS201
COUNTERWEIGHT205
Removal205
Installation206
INJECTION PUMP207
Removal207
Installation210
ENGINE HEAD211
Removal211
Installation214
COMPLETE HYDRAULIC PUMP215
Removal215
Installation216
SERVO-CONTROL PUMP217
Removal217
Installation217
ENGINE – PUMPS218
Removal218
Installation222
COMPLETE RADIATOR AND AIR CONDITIONING CONDENSER223
Removal223
Installation225
SWING MOTOR AND REDUCTION GEAR226
Removal226
Installation227
SWING MOTOR228
Removal228
Installation228
SWING REDUCTION GEAR229
Disassembly229
Assembly235
SWIVEL JOINT242
Removal242
Installation243
Disassembly244
Assembly244
CONTROL VALVE245
Removal245
Installation246
Disassembly and assembly247
LH PPC VALVE249
Removal249
Installation250
RH PPC VALVE251
Removal251
Installation251
EQUIPMENT PPC VALVES252
Assembly252
TRAVEL PPC VALVE253
Removal253
Installation254
Assembly255
ADDITIONAL EQUIPMENT AND BOOM SWING PPC VALVE256
Removal256
Installation256
BLADE PPC VALVE257
Removal257
Installation257
ACCELERATOR ASSEMBLY258
Removal258
Installation259
CONTROLLER260
Removal260
Installation260
SAFETY MICROSWITCH261
Removal261
Installation262
HYDRAULIC OIL TANK263
Removal263
Installation264
FUEL TANK265
Removal265
Installation266
CONTROL MODULE267
Removal267
Installation267
EVAPORATOR UNIT268
Removal268
Installation272
CABIN273
Removal273
Installation276
SWING CIRCLE277
Removal277
Installation277
REVOLVING FRAME278
Removal278
Installation279
EQUIPMENT (1-piece boom version)280
Removal280
Installation282
UPPER EQUIPMENT (2-piece boom version)283
Removal283
Installation284
BOOM CYLINDER (For 1-piece boom)285
Removal285
Installation286
BOOM CYLINDER (version with 2-piece boom)287
Removal287
Installation289
ARM CYLINDER290
Removal290
Installation291
BUCKET CYLINDER292
Removal292
Installation293
BOOM SWING CYLINDER294
Removal294
Installation295
BLADE CYLINDER296
Removal296
Installation296
2-PIECE BOOM CYLINDER297
Removal297
Installation298
CYLINDERS299
Disassembly299
Assembly301
SWING SUPPORT304
Removal304
Installation306
STEEL SHOES307
Removal307
Installation307
RUBBER SHOES308
Removal308
Installation308
SPROCKET309
Removal309
Installation309
COMPLETE TRAVEL ASSEMBLY310
Removal310
Installation311
TRACK SHOE IDLER312
Assembly312
BUMPER SPRING315
Disassembly315
Assembly316
LOWER IDLER ROLLERS318
Disassembly318
Assembly319
90 OTHER321
HYDRAULIC CIRCUIT DIAGRAM (STANDARD)323
ELECTRICAL CIRCUIT DIAGRAM325

IMAGES PREVIEW OF THE MANUAL:

S.M 24/12/24