Komatsu WB140PS-2 WB150PS-2 Backhoe Loader Workshop Repair Service Manual PDF - MKMTSWB140PSWB150PS.zip
A full factory-level service and repair guide, complete with electrical wiring diagrams, covering the Komatsu Backhoe Loader models WB140PS-2 and WB150PS-2 — packed with every technical detail needed to service, troubleshoot, fix, and rebuild these machines the way trained technicians do.
Inside the Komatsu WB140PS-2 and WB150PS-2 backhoe loader workshop service and repair manual, you'll find:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
CEBM009200 - Backhoe Loader Transmission WB140PS-2, WB150PS-2 Power-Shift Shop Manual.pdf
WEAM002201 - Backhoe Loader WB140PS-2, WB150PS-2 Operation & Maintenance Manual.pdf
WEAM002202 - Backhoe Loader WB140PS-2, WB150PS-2 Power-Shift Operation & Maintenance Manual.pdf
WEAM002203 - Backhoe Loader WB140PS-2, WB150PS-2 Power-Shift Operation & Maintenance Manual.pdf
WEBM002502 - Backhoe Loader WB140PS-2, WB150PS-2 Shop Manual.pdf
WEBM004300 - Backhoe Loader WB140PS-2, WB150PS-2 Power-Shift Shop Manual.pdf
WEBM004700 - Backhoe Loader WB140PS-2, WB150PS-2 Power-Shift Shop Manual.pdf
PRODUCT DETAILS:
Total Pages: 2,877 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
CEBM009200 - Backhoe Loader Transmission WB140PS-2, WB150PS-2 Power-Shift Shop Manual....1
COVER....1
INDEX....3
GENERAL INFORMATION....4
MANUAL USE....5
AGREEMENTS AND DEFINITIONS....7
GENERAL DESCRIPTION....10
GENERAL RECOMMENDATIONS FOR DISASSEMBLY AND ASSEMBLY OPERATIONS....11
SAFETY INSTRUCTIONS....13
GENERAL SAFETY RECOMMENDATIONS....14
SAFETY SYMBOLS....15
GENERAL PRECAUTIONS....16
GENERAL SPECIFICATIONS....18
FORESEEN USES....19
PRODUCT IDENTIFICATION....20
TECHNICAL FEATURES....21
SEALING COMPOUNDS AND ADHESIVES....25
MAIN POINTS NOMENCLATURE....29
FILLING AND CHECKS....33
SERVICE SCHEDULE....36
LUBRICATION/GREASING: GRADES AND APPLICATION RANGE....37
TIGHTENING TORQUES....38
HYDRAULIC COMPONENTS....41
TORQUE CONVERTER....45
OIL PUMP....47
MANIFOLD....48
ELECTRONIC GEAR MANAGEMENT....49
ELECTRIC CONNECTIONS....61
KINEMATIC SCHEME....63
POWER FLOW....64
DISASSEMBLY AND ASSEMBLY OPERATIONS....69
CONVERTER 2WS/4WS....70
PLUGS AND FILTERS 2WS/4WS....74
OIL PUMP 2WS/4WS....78
PIPES AND SENSORS 2WS/4WS....81
HYDRAULIC CONTROL VALVE 2WS/4WS....92
TRANSMISSION HOUSING 4WS....96
TRANSMISSION HOUSING 2WS....111
SHAFT A - D 2WS/4WS....127
SHAFT B 2WS/4WS....145
SHAFT C 2WS/4WS....156
SHAFT E 2WS/4WS....177
TROUBLESHOOTING....187
TROUBLESHOOTING....188
TROUBLESHOOTING OF TRANSMISSION....193
CHECKING AND INSPECTION OF THE ELECTRONIC CONTROL UNIT....196
NUMERICAL ERROR....200
SPECIAL TOOLS....202
SPECIAL TOOLS....203
CEBM012801 - Backhoe Loader WB140PS-2N, WB150PS-2N Shop Manual....205
COVER....205
FOREWORD....206
CONTENTS....206
SAFETY....213
SAFETY NOTICE....213
IMPORTANT SAFETY NOTICE....213
GENERAL PRECAUTIONS....213
PREPARATIONS FOR WORK....213
PRECAUTIONS DURING WORK....213
GENERAL....215
HOW TO READ THE SHOP MANUAL....216
VOLUMES....216
DISTRIBUTION AND UPDATING....216
FILING METHOD....216
REVISED EDITION MARK....216
REVISIONS....216
SYMBOLS....216
HOISTING INSTRUCTIONS....217
HOISTING....217
WIRE ROPES....217
QUICK DISCONNECT COUPLER....218
TYPE 1....218
DISCONNECTION....218
CONNECTION....218
TYPE 2....219
DISCONNECTION....219
CONNECTION....219
TYPE 3....220
DISCONNECTION....220
CONNECTION....220
COATING MATERIALS....221
STANDARD TIGHTENING TORQUE....223
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS....223
TIGHTENING TORQUE OF HOSE NUTS....224
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS....224
TIGHTENING TORQUE FOR FLARED NUTS....224
TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PIPING JOINTS....225
TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PLUGS....225
TIGHTENING TORQUE TABLE FOR HOSES (TAPER SEAL TYPE AND FACE SEAL TYPE)....225
ELECTRIC WIRE CODE....226
CLASSIFICATION BY THICKNESS....226
CLASSIFICATION BY COLOR AND CODE....226
CONVERSION TABLES....227
METHOD OF USING THE CONVERSION TABLE....227
01 GENERAL....233
SPECIFICATIONS....234
WEIGHT TABLE....235
FUEL COOLANT AND LUBRICANTS....236
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD....239
ENGINE MOUNTING....241
TIER I ENGINE....241
TIER II ENGINE....242
POWER TRAIN....243
DESCRIPTION....243
POWER FLOW....243
TRANSMISSION DIAGRAM....245
TRANSMISSION....247
COMPLETE ASSEMBLY....247
FORWARD REVERSE CLUTCH....250
2ND GEAR CLUTCH....250
1ST, 3RD AND 4TH GEAR CLUTCH....251
4WD SHAFT....251
CONTROL VALVE....252
FRONT AXLE....253
COMPLETE ASSEMBLY....253
DIFFERENTIAL....254
PLANETARY....255
REAR AXLE....256
COMPLETE ASSEMBLY....256
DIFFERENTIAL....257
PLANETARY....258
BRAKES....259
DIFFERENTIAL LOCK....260
HYDRAULIC PUMP....261
FUNCTION....265
STRUCTURE....265
OPERATION....266
PUMP OPERATION....266
CONTROL OF DELIVERY....266
PC VALVE, LS VALVE, SERVO PISTON....267
LS VALVE FUNCTION....267
OPERATION....268
PC VALVE FUNCTION....273
WORKING MODE SOLENOID VALVE....278
STEERING UNIT....280
TECHNICAL DATA....280
OPERATION....280
LOADER VALVE....281
2 SPOOL....281
3 SPOOL VALVE....283
BACKHOE CONTROL VALVE....285
MECHANICAL CONTROL....285
INLET SECTION VIEWS A-A AND B-B....286
ARM SECTION VIEW C-C....287
SWING SECTION VIEW D-D....288
LEFT OUTRIGGER SECTION VIEW E-E....289
RIGHT OUTRIGGER SECTION VIEW F-F....290
BUCKET SECTION VIEW G-G....291
BOOM SECTION VIEW H-H....292
OUTLET SECTION VIEW J-J....292
TELESCOPIC ARM SECTION VIEW K-K....293
HAMMER SECTION VIEW L-L....294
EXCAVATOR CONTROL....295
INLET SECTION VIEWS A-A AND B-B....296
ARM SECTION VIEW C-C....297
SWING SECTION VIEW D-D....298
LEFT OUTRIGGER SECTION VIEW E-E....299
RIGHT OUTRIGGER SECTION VIEW F-F....300
BUCKET SECTION VIEW G-G....301
BOOM SECTION VIEW H-H....302
OUTLET SECTION VIEW J-J....302
TELESCOPIC ARM SECTION VIEW K-K....303
HAMMER SECTION VIEW L-L....304
CLSS....305
CHARACTERISTICS....305
STRUCTURE....305
OPERATING PRINCIPLES....306
UNLOADING VALVE....308
FUNCTION....308
OPERATION....308
INTRODUCTION OF THE LS PRESSURE....311
OPERATION....311
DELIVERY COMPENSATION....312
INTRODUCTION....312
OPERATION....312
LIFD CONTROL SYSTEM....315
FUNCTION....315
OPERATION....315
LS DECOMPRESSION VALVE....316
DESCRIPTION....316
OPERATION....316
PRESSURE CUT OFF VALVE....317
DESCRIPTION....317
OPERATION....317
PRIORITY VALVE....318
FUNCTION....318
PPC JOYSTICK....319
LEFT VALVE....319
RIGHT VALVE....320
SOLENOID VALVE....321
DIFFERENTIAL LOCK - BACKHOE BOOM LOCK....321
PPC SUPPLY VALVE - ST2....322
PPC TELESCOPIC ARM....323
PPC HAMMER....324
PPC ARM AND HAMMER....325
LOADER CYLINDERS....326
BOOM ARM....326
CHARACTERISTICS....326
BUCKET....327
CHARACTERISTICS....327
MP BUCKET....328
CHARACTERISTICS....328
BACKHOE CYLINDERS....329
BOOM....329
CHARACTERISTICS....329
ARM....330
CHARACTERISTICS....330
BUCKET....331
CHARACTERISTICS....331
TELESCOPIC ARM CYLINDER....332
CHARACTERISTICS....332
SWING....333
CHARACTERISTICS....333
OUTRIGGER....334
CHARACTERISTICS....334
BOOM LOCK CYLINDER....335
FRONT WORK EQUIPMENT....336
REAR WORK EQUIPMENT....338
AIR CONDITIONING....340
20 TESTING, ADJUSTING AND TROUBLESHOOTING....343
STANDARD VALUE TABLES FOR ENGINE....345
STANDARD VALUE TABLES FOR CHASSIS....346
WB140PS-2N....346
WB150PS-2N....356
SPECIAL TOOLS....366
ENGINE SPEED....367
TIER I ENGINE....367
TIER II ENGINE....367
VALVE CLEARANCE....368
TIER I ENGINE....368
ADJUSTING PROCEDURE....368
VALVE COVER INSTALLATION....368
TIER II ENGINE....369
ADJUSTING PROCEDURE....369
COMPRESSION PRESSURE....373
TIER I ENGINE....373
TIER II ENGINE....374
FUEL INJECTION TIMING....376
TIER I ENGINE....376
TIER II ENGINE....377
FAN BELT....380
TENSION CHECK....380
TENSION ADJUSTMENT....380
COMPRESSOR DRIVE BELT....381
CHECKING TENSION....381
TENSION ADJUSTMENT....381
ACCELERATOR PEDAL AND LEVER....382
ACCELERATOR PEDAL TRAVEL....382
ACCELERATOR LEVER TRAVEL....383
BRAKE PEDAL TRAVEL....384
TIER I ENGINE....384
MASTER CYLINDER ROD ADJUSTMENT....384
MICROSWITCHES ADJUSTMENT....384
CHECKING ADJUSTMENT....384
TIER II ENGINE....385
MASTER CYLINDER ROD....385
CHECKING ADJUSTMENT....385
BLEEDING AIR....386
HYDRAULIC PUMP....386
CYLINDERS....386
HYDRAULIC OIL TANK....387
HYDRAULIC OIL TANK PRESSURIZATION....387
WORK CIRCUITS....387
BRAKE CIRCUIT....387
CHECK BRAKE CIRCUIT....388
HYDRAULIC CIRCUIT....389
INTRODUCTION....389
LOADER CONTROL VALVES....390
BACKHOE CONTROLS STYLE VALVE....391
EXCAVATOR CONTROLS STYLE VALVE....392
MAIN RELIEF VALVES....393
TESTING....393
LOADER CONTROL VALVE (2 OR 3 SPOOL)....393
BACKHOE CONTROL VALVE (6, 7 OR 8 SPOOLS)....393
SETTING RELIEF PRESSURE....393
LOADER CIRCUIT RELIEF VALVES....395
TESTING PRESSURE....395
SETTING PRESSURE....396