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Komatsu WB97S-8 Backhoe Loader Shop Manual – Serial F40001 and Up – WENBM00200

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Complete Komatsu WB97S-8 backhoe loader shop manual (WENBM00200) covering serial numbers F40001 and up, with full specifications, structure and function, testing and adjusting, troubleshooting, disassembly and assembly, and electrical circuit diagrams as an instant PDF download.

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Description

Komatsu WB97S-8 Backhoe Loader Shop Manual (WENBM00200)

This is the complete factory-style shop manual for the Komatsu WB97S-8 backhoe loader, covering machines from serial number F40001 and up. Document number WENBM00200 is the same reference technicians use to service, troubleshoot, and rebuild this machine down to the individual component level, and this Komatsu WB97S-8 shop manual reproduces that content in full as a searchable PDF.

File Details

  • Manual type: Shop manual (service/repair manual)
  • Brand / Model: Komatsu WB97S-8 backhoe loader
  • Applicable serial numbers: F40001 and up
  • Document number: WENBM00200
  • Language: English
  • Page count: 536 pages
  • File format: PDF

Chapters Covered

  • 00 Index and Foreword
    • How to read the shop manual, safety notices, precautions for fire, waste disposal, exhaust regulations
    • Precautions for DEF/AdBlue, hydraulic equipment, piping, electrical equipment, fuel and intake systems
    • Practical use of KOMTRAX, push-pull coupler and connector disconnection/connection procedures
  • 01 Specifications
    • Specification drawing and full dimensional data
    • Performance, weight, engine, undercarriage, power transmission and hydraulic system specifications
    • Weight table and fuel/coolant/lubricant recommendations and capacities
  • 10 Structure and Function
    • Engine, power train, undercarriage, steering, brake, hydraulic and PPC circuits
    • Outrigger PPC valve, steering unit, brake pump, solenoid valves, safety valves
    • Loader and backhoe work equipment structure, including work equipment clearance shim adjustment

    IMAGES PREVIEW

    Komatsu WB97S-8 Backhoe Loader Shop Manual - Serial F40001 and Up - WENBM00200 β€” PDF page 79 preview
    Komatsu WB97S-8 Backhoe Loader Shop Manual - Serial F40001 and Up - WENBM00200 β€” PDF page 80 preview
    Komatsu WB97S-8 Backhoe Loader Shop Manual - Serial F40001 and Up - WENBM00200 β€” PDF page 241 preview

  • 20 Standard Value Table
    • Standard value tables for engine and machine
  • 30 Testing and Adjusting
  • 40 Troubleshooting
  • 50 Disassembly and Assembly
  • 90 Electrical Circuit Diagram
    • Symbols used in electric circuit diagrams
    • Full 12-part electrical circuit diagram of the machine

Together these sections give a technician everything needed to move from diagnosis through full teardown and rebuild on the WB97S-8, without having to cross-reference multiple sources.

What This Komatsu WB97S-8 Manual Covers

The specifications chapter documents the SAA4D99E-1 engine (4-cylinder, 75.0 kW at 2300 rpm), 4WD power shift transmission, hydraulic system pump capacity and pressures, individual cylinder bore/stroke/travel data for the loader arm, loader bucket, outrigger, backhoe boom, boom swing, side digging boom, arm, bucket, and telescopic arm cylinders, plus full tyre inflation and load capacity tables and complete fluid capacities for engine oil, axles, transmission, hydraulic system, cooling system, fuel tank and DEF tank. The structure and function section explains how the loader and backhoe work equipment, PPC valves, solenoid valves, steering unit, brake pump and safety valves are built and how they operate, which is essential background before troubleshooting or disassembly. The electrical circuit diagram section reproduces all 12 sheets of the machine’s wiring diagrams with the symbol key needed to read them.

Complete PDF Bookmark Tree

Complete Bookmarks

The complete bookmarks in the β€œKomatsu WB97S-8 Backhoe Loader Shop Manual – Serial F40001 and Up – WENBM00200” are as follows:

00 INDEX AND FOREWORDp. 3
INDEXp. 4
FOREWORD, SAFETY, BASIC INFORMATIONp. 7
HOW TO READ THE SHOP MANUALp. 7
SAFETY NOTICE FOR OPERATIONp. 9
PRECAUTIONS TO PREVENT FIREp. 17
ACTIONS IF FIRE OCCURSp. 19
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALSp. 20
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONSp. 21
PRECAUTIONS FOR DEFp. 22
GENERAL CHARACTER AND PRECAUTIONS FOR HANDLINGp. 22
PRECAUTIONS FOR ADDINGp. 22
PRECAUTIONS FOR STORINGp. 22
PRECAUTIONS FOR FIRE HAZARD AND LEAKAGEp. 22
THE OTHER PRECAUTIONSp. 22
STORE AdBlue/DEFp. 23
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENTp. 24
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGSp. 27
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENTp. 34
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENTp. 36
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENTp. 37
PRACTICAL USE OF KOMTRAXp. 38
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLERp. 39
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLERp. 39
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLERp. 40
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLERp. 41
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORSp. 43
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTORp. 47
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTORp. 48
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULLp. 50
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSHp. 51
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATEp. 53
HOW TO READ ELECTRICAL WIRE CODEp. 54
EXPLANATION OF TERMS FOR MAINTENANCE STANDARDp. 58
STANDARD TIGHTENING TORQUE TABLEp. 61
CONVERSION TABLEp. 68
ABBREVIATION LISTp. 73
01 SPECIFICATIONSp. 77
CONTENTSp. 78
SPECIFICATIONSp. 79
SPECIFICATION DRAWINGp. 79
SPECIFICATION DRAWING: WB97S-8p. 79
SPECIFICATIONSp. 82
SPECIFICATIONS: WB97S-8p. 82
WEIGHT TABLEp. 88
WEIGHT TABLE: WB97S-8p. 88
FUEL, COOLANT, LUBRICANTSp. 90
USE FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATUREp. 90
10 STRUCTURE AND FUNCTIONp. 93
CONTENTSp. 94
UREA SCR SYSTEMp. 96
LAYOUT DRAWING OF UREA SCR SYSTEMp. 96
UREA SCR SYSTEM DIAGRAMp. 99
FUNCTION OF UREA SCR SYSTEMp. 100
FUNCTION OF DEF SYSTEMp. 100
INDUCEMENT STRATEGYp. 101
COMPONENT PARTS OF UREA SCR SYSTEMp. 108
KDOC AND DEF MIXING TUBEp. 108
SCR ASSEMBLYp. 110
DEF TANKp. 112
DEF PUMPp. 114
DEF INJECTORp. 115
DEF HOSEp. 116
DEF TANK HEATING VALVEp. 117
HYDRAULIC SYSTEMp. 118
LAYOUT DRAWING OF HYDRAULIC SYSTEMp. 118
CLSSp. 120
STRUCTURE OF CLSSp. 120
FUNCTION OF CLSSp. 121
COMPONENT PARTS OF HYDRAULIC SYSTEMp. 123
HYDRAULIC TANKp. 123
MAIN PUMPp. 125
CONTROL VALVEp. 138
POWER TRAIN SYSTEMp. 168
LAYOUT DRAWING OF POWER TRAIN SYSTEMp. 168
OPERATION OF POWER TRAIN SYSTEMp. 170
COMPONENT PARTS OF POWER TRAIN SYSTEMp. 171
TRANSMISSIONp. 171
DRIVE SHAFTp. 182
TRANSMISSION CONTROL VALVEp. 185
AXLEp. 187
OPERATION OF STEERING SYSTEMp. 198
WORK EQUIPMENT SYSTEMp. 202
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEMp. 202
LOADER WORK EQUIPMENT PPC VALVEp. 205
STRUCTURE OF LOADER WORK EQUIPMENT PPC VALVE – STANDARD VERSIONp. 205
OPERATION OF LOADER WORK EQUIPMENT PPC VALVE – STANDARD VERSIONp. 207
STRUCTURE OF LOADER WORK EQUIPMENT PPC VALVE – FLOAT AND RETURN TO DIG VERSIONp. 211
OPERATION OF LOADER WORK EQUIPMENT PPC VALVE – FLOAT AND RETURN TO DIG VERSIONp. 213
BACKHOE PPC VALVEp. 218
STRUCTURE OF LH BACKHOE PPC VALVEp. 218
STRUCTURE OF RH BACKHOE PPC VALVEp. 220
OUTRIGGER PPC VALVEp. 222
STRUCTURE OF OUTRIGGER PPC VALVEp. 222
OPERATION OF OUTRIGGER PPC VALVEp. 223
STEERING UNITp. 227
BRAKE PUMPp. 228
SOLENOID VALVESp. 229
SOLENOID VALVE GROUPp. 229
TELESCOPIC ARM SOLENOID VALVEp. 230
SIDE DIGGING BOOM SOLENOID VALVEp. 231
2-ATTACHMENT SOLENOID VALVEp. 232
STEERING MODE SOLENOID VALVEp. 233
HAMMER SOLENOID VALVEp. 234
PPC CIRCUIT ACCUMULATORp. 235
SAFETY VALVESp. 236
LOADER ARM SAFETY VALVEp. 236
LOADER BUCKET SAFETY VALVEp. 237
BACKHOE BOOM SAFETY VALVEp. 238
BACKHOE ARM SAFETY VALVEp. 239
OUTRIGGER SAFETY VALVEp. 240
WORK EQUIPMENTp. 241
STRUCTURE OF LOADER WORK EQUIPMENTp. 241
STRUCTURE OF BACKHOE WORK EQUIPMENTp. 242
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIMp. 243
20 STANDARD VALUE TABLEp. 245
CONTENTSp. 246
STANDARD VALUE TABLE FOR ENGINEp. 247
STANDARD VALUE TABLE FOR ENGINE: WB97S-8p. 247
STANDARD VALUE TABLE FOR MACHINEp. 250
STANDARD VALUE TABLE FOR MACHINE: WB97S-8p. 250
MACHINE POSTURE AND PROCEDURES TO MEASURE PERFORMANCEp. 268
40 TROUBLESHOOTINGp. 275
CONTENTSp. 276
RELATED INFORMATION TO TROUBLESHOOTp. 281
PRECAUTIONS FOR TROUBLESHOOTINGp. 281
SEQUENCE OF EVENTS IN TROUBLESHOOTINGp. 282
GENERAL TROUBLESHOOTING POINTSp. 284
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEMp. 285
CHECKS BEFORE TROUBLESHOOTINGp. 286
INSPECTION PROCEDURE BEFORE TROUBLESHOOTINGp. 288
WALK-AROUND CHECKp. 288
TESTING IN ACCORDANCE WITH TESTING PROCEDUREp. 290
CHECK FUEL LEVEL AND TYPEp. 290
CHECK WATER SEPARATOR AND DRAIN WATER AND SEDIMENTp. 290
CHECK AdBlue(R) LEVEL AND TYPEp. 292
CHECK FUEL PREFILTERp. 292
CHECK FUEL MAIN FILTERp. 294
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN) AND TYPEp. 295
CHECK COOLANT LEVEL (EXPANSION TANK)p. 296
CHECK AIR CLEANER CLOGGINGp. 297
CLEAN OUTER ELEMENTp. 297
REPLACE INNER ELEMENTp. 299
CHECK HYDRAULIC OIL LEVELp. 300
CHECK HYDRAULIC OIL STRAINERp. 301
CHECK HYDRAULIC OIL FILTERp. 303
CHECK OIL LEVEL IN TRANSMISSION CASEp. 304
CHECK FRONT AXLE OIL LEVELp. 305
CHECK REAR AXLE OIL LEVELp. 305
BLEED AIR FROM FUEL SYSTEMp. 306
BLEED AIR FROM HYDRAULIC SYSTEMp. 306
CHECK ELECTRIC EQUIPMENTp. 306
CONNECTOR CONTACT IDENTIFICATIONp. 311
T-BRANCH BOX AND T-BRANCH ADAPTER TABLEp. 353
FUSE LOCATION TABLEp. 359
FAILURE CODE TABLEp. 363
ENGINE ECU FAILURE CODE TABLEp. 363
MACHINE ECU FAILURE CODE TABLEp. 378
MONITOR ECU FAILURE CODE TABLEp. 380
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)p. 381
TROUBLESHOOTING OF ENGINE FAILUREp. 381
FAILURE CODE [#T0001]p. 381
FAILURE CODE [#T0002]p. 381
FAILURE CODE [#T0003]p. 381
FAILURE CODE [#T0004]p. 381
FAILURE CODE [#T0005]p. 382
FAILURE CODE [#T0006]p. 382
FAILURE CODE [#T0007]p. 382
FAILURE CODE [#T0008]p. 383
FAILURE CODE [#T0009]p. 383
FAILURE CODE [#T0010]p. 383
FAILURE CODE [#T0011]p. 384
FAILURE CODE [#T0012]p. 384
FAILURE CODE [#T0013]p. 384
FAILURE CODE [#T0014]p. 384
FAILURE CODE [#T0015]p. 385
FAILURE CODE [#T0016]p. 385
FAILURE CODE [#T0017]p. 385
FAILURE CODE [#T0018]p. 386
FAILURE CODE [#T0019]p. 386
FAILURE CODE [#T0020]p. 387
FAILURE CODE [#T0021]p. 387
FAILURE CODE [#T0022]p. 387
FAILURE CODE [#T0023]p. 388
FAILURE CODE [#T0024]p. 388
FAILURE CODE [#T0025]p. 388
FAILURE CODE [#T0026]p. 388
FAILURE CODE [#T0027]p. 389
FAILURE CODE [#T0028]p. 389
FAILURE CODE [#T0029]p. 389
FAILURE CODE [#T0030]p. 389
FAILURE CODE [#T0031]p. 390
FAILURE CODE [#T0032]p. 390
FAILURE CODE [#T0033]p. 390
FAILURE CODE [#T0034]p. 390
FAILURE CODE [#T0035]p. 391
FAILURE CODE [#T0036]p. 391
FAILURE CODE [#T0037]p. 391
FAILURE CODE [#T0038]p. 392
FAILURE CODE [#T0039]p. 392
FAILURE CODE [#T0040]p. 392
FAILURE CODE [#T0041]p. 392
FAILURE CODE [#T0042]p. 393
FAILURE CODE [#T0043]p. 393
FAILURE CODE [#T0044]p. 393
FAILURE CODE [#T0045]p. 394
FAILURE CODE [#T0046]p. 394
FAILURE CODE [#T0047]p. 394
FAILURE CODE [#T0048]p. 394
FAILURE CODE [#T0049]p. 395
FAILURE CODE [#T0050]p. 395
FAILURE CODE [#T0051]p. 395
FAILURE CODE [#T0052]p. 396
FAILURE CODE [#T0053]p. 396
FAILURE CODE [#T0054]p. 396
FAILURE CODE [#T0055]p. 397
FAILURE CODE [#T0056]p. 397
FAILURE CODE [#T0057]p. 397
FAILURE CODE [#T0058]p. 398
FAILURE CODE [#T0059]p. 398
FAILURE CODE [#T0060]p. 398
FAILURE CODE [#T0061]p. 399
FAILURE CODE [#T0062]p. 399
FAILURE CODE [#T0063]p. 400
FAILURE CODE [#T0064]p. 400
FAILURE CODE [#T0065]p. 400
FAILURE CODE [#T0066]p. 401
FAILURE CODE [#T0067]p. 401
FAILURE CODE [#T0068]p. 401
FAILURE CODE [#T0069]p. 401
FAILURE CODE [#T0070]p. 402
FAILURE CODE [#T0071]p. 402
FAILURE CODE [#T0072]p. 402
FAILURE CODE [#T0073]p. 403
FAILURE CODE [#T0074]p. 403
FAILURE CODE [#T0075]p. 403
FAILURE CODE [#T0076]p. 404
FAILURE CODE [#T0077]p. 404
FAILURE CODE [#T0078]p. 404
FAILURE CODE [#T0079]p. 404
FAILURE CODE [#T0080]p. 405
FAILURE CODE [#T0081]p. 405
FAILURE CODE [#T0082]p. 405
FAILURE CODE [#T0083]p. 406
FAILURE CODE [#T0084]p. 406
FAILURE CODE [#T0085]p. 406
FAILURE CODE [#T0086]p. 406
FAILURE CODE [#T0087]p. 407
FAILURE CODE [#T0088]p. 407
FAILURE CODE [#T0089]p. 407
FAILURE CODE [#T0090]p. 407
FAILURE CODE [#T0091]p. 408
FAILURE CODE [#T0092]p. 408
FAILURE CODE [#T0093]p. 409
FAILURE CODE [#T0094]p. 409
FAILURE CODE [#T0095]p. 409
FAILURE CODE [#T0096]p. 410
FAILURE CODE [#T0099]p. 410
FAILURE CODE [#T0100]p. 410
FAILURE CODE [#T0101]p. 410
FAILURE CODE [#T0102]p. 411
FAILURE CODE [#T0103]p. 411
FAILURE CODE [#T0104]p. 411
FAILURE CODE [#T0105]p. 411
FAILURE CODE [#T0106]p. 412
FAILURE CODE [#T0107]p. 412
FAILURE CODE [#T0108]p. 412
FAILURE CODE [#T0109]p. 412
FAILURE CODE [#T0110]p. 413
FAILURE CODE [#T0111]p. 413
FAILURE CODE [#T0112]p. 413
FAILURE CODE [#T0113]p. 414
FAILURE CODE [#T0114]p. 414
FAILURE CODE [#T0115]p. 414
FAILURE CODE [#T0116]p. 414
FAILURE CODE [#T0117]p. 415
FAILURE CODE [#T0118]p. 415
FAILURE CODE [#T0119]p. 415
FAILURE CODE [#T0120]p. 415
FAILURE CODE [#T0121]p. 416
FAILURE CODE [#T0122]p. 416
FAILURE CODE [#T0123]p. 416
FAILURE CODE [#T0124]p. 417
FAILURE CODE [#T0125]p. 417
FAILURE CODE [#T0126]p. 417
FAILURE CODE [#T0127]p. 418
FAILURE CODE [#T0128]p. 418
FAILURE CODE [#T0129]p. 418
FAILURE CODE [#T0130]p. 419
FAILURE CODE [#T0131]p. 419
FAILURE CODE [#T0132]p. 419
FAILURE CODE [#T0133]p. 420
FAILURE CODE [#T0134]p. 420
FAILURE CODE [#T0135]p. 420
FAILURE CODE [#T0136]p. 420
FAILURE CODE [#T0137]p. 421
FAILURE CODE [#T0138]p. 421
FAILURE CODE [#T0139]p. 421
FAILURE CODE [#T0140]p. 421
FAILURE CODE [#T0141]p. 422
FAILURE CODE [#T0142]p. 422
FAILURE CODE [#T0143]p. 422
FAILURE CODE [#T0144]p. 422
FAILURE CODE [#T0145]p. 423
FAILURE CODE [#T0146]p. 423
FAILURE CODE [#T0147]p. 423
FAILURE CODE [#T0148]p. 423
FAILURE CODE [#T0149]p. 424
FAILURE CODE [#T0150]p. 424
FAILURE CODE [#T0151]p. 424
FAILURE CODE [#T0152]p. 425
FAILURE CODE [#T0153]p. 425
FAILURE CODE [#T0154]p. 425
FAILURE CODE [#T0155]p. 425
FAILURE CODE [#T0156]p. 426
FAILURE CODE [#T0157]p. 426
FAILURE CODE [#T0158]p. 426
FAILURE CODE [#T0159]p. 426
FAILURE CODE [#T0160]p. 427
FAILURE CODE [#T0161]p. 427
FAILURE CODE [#T0162]p. 427
FAILURE CODE [#T0163]p. 427
FAILURE CODE [#T0164]p. 428
FAILURE CODE [#T0165]p. 428
FAILURE CODE [#T0166]p. 428
FAILURE CODE [#T0167]p. 428
FAILURE CODE [#T0168]p. 429
FAILURE CODE [#T0169]p. 429
FAILURE CODE [#T0170]p. 429
FAILURE CODE [#T0171]p. 429
FAILURE CODE [#T0172]p. 430
FAILURE CODE [#T0173]p. 430
FAILURE CODE [#T0174]p. 431
FAILURE CODE [#T0175]p. 431
FAILURE CODE [#T0176]p. 431
FAILURE CODE [#T0177]p. 431
FAILURE CODE [#T0178]p. 432
FAILURE CODE [#T0179]p. 432
FAILURE CODE [#T0180]p. 432
FAILURE CODE [#T0181]p. 432
FAILURE CODE [#T0182]p. 433
FAILURE CODE [#T0183]p. 433
FAILURE CODE [#T0184]p. 433
FAILURE CODE [#T0185]p. 434
FAILURE CODE [#T0186]p. 434
FAILURE CODE [#T0187]p. 434
FAILURE CODE [#T0188]p. 434
FAILURE CODE [#T0189]p. 435
FAILURE CODE [#T0190]p. 435
FAILURE CODE [#T0191]p. 435
FAILURE CODE [#T0192]p. 436
FAILURE CODE [#T0193]p. 436
FAILURE CODE [#T0194]p. 436
FAILURE CODE [#T0195]p. 436
FAILURE CODE [#T0196]p. 437
FAILURE CODE [#T0197]p. 437
FAILURE CODE [#T0198]p. 437
60 MAINTENANCE STANDARDp. 439
CONTENTSp. 440
ENGINE AND COOLING SYSTEMp. 441
MAINTENANCE STANDARD OF ENGINE MOUNTp. 441
MAINTENANCE STANDARD OF COOLING SYSTEMp. 443
POWER TRAINp. 444
MAINTENANCE STANDARD OF TRANSMISSIONp. 444
MAINTENANCE STANDARD OF FRONT AXLEp. 447
MAINTENANCE STANDARD OF REAR AXLEp. 453
HYDRAULIC SYSTEMp. 463
MAINTENANCE STANDARD OF MAIN PUMPp. 463
MAINTENANCE STANDARD OF CONTROL VALVEp. 465
WORK EQUIPMENTp. 475
MAINTENANCE STANDARD OF LOADER WORK EQUIPMENT PPC VALVEp. 475
LOADER WORK EQUIPMENT PPC VALVE – STANDARD VERSIONp. 475
LOADER WORK EQUIPMENT PPC VALVE – FLOAT AND RETURN TO DIG VERSIONp. 478
MAINTENANCE STANDARD OF SWING BRACKETp. 481
MAINTENANCE STANDARD OF LOADER WORK EQUIPMENTp. 483
MAINTENANCE STANDARD OF BACKHOE WORK EQUIPMENTp. 485
MAINTENANCE STANDARD OF WORK EQUIPMENT CYLINDERSp. 487
LOADER ARM CYLINDERp. 487
LOADER BUCKET CYLINDERp. 487
LOADER BUCKET 4 IN 1 CYLINDERp. 488
BACKHOE BOOM CYLINDERp. 489
BACKHOE ARM CYLINDERp. 489
BACKHOE BUCKET CYLINDERp. 490
BACKHOE BOOM SWING CYLINDERp. 491
BACKHOE TELESCOPIC ARM CYLINDERp. 492
OUTRIGGER CYLINDERp. 492
90 CIRCUIT DIAGRAMSp. 495
CONTENTSp. 496
HOW TO READ THE CODES FOR ELECTRIC CABLEp. 497
HYDRAULIC CIRCUIT DIAGRAMp. 501
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAMp. 501
HYDRAULIC CIRCUIT DIAGRAM FOR WORK EQUIPMENT (1/2)p. 505
HYDRAULIC CIRCUIT DIAGRAM FOR WORK EQUIPMENT (2/2)p. 507
ELECTRICAL CIRCUIT DIAGRAMp. 509
SYMBOLS USED IN ELECTRIC CIRCUIT DIAGRAMp. 509
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (1/12)p. 513
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (2/12)p. 515
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (3/12)p. 517
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (4/12)p. 519
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (5/12)p. 521
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (6/12)p. 523
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (7/12)p. 525
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (8/12)p. 527
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (9/12)p. 529
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (10/12)p. 531
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (11/12)p. 533
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (12/12)p. 535

Who Should Buy This Shop Manual

This Komatsu WB97S-8 shop manual is written for technicians, mechanics, and workshop owners who service backhoe loaders with serial numbers F40001 and up, and for owner-operators who want factory-referenced procedures rather than guesswork. It supports correct diagnosis, testing and adjusting, hydraulic and electrical troubleshooting, and full disassembly and reassembly using the standard values and torque data specific to this machine.

Get Your Komatsu WB97S-8 Manual Instantly

Owning the correct Komatsu WB97S-8 shop manual means every adjustment, torque value, and repair step is backed by the manufacturer-referenced data for this exact machine, rather than approximated from a different model or engine. Working from accurate specifications and standard values reduces guesswork, protects hydraulic and electrical components from incorrect procedures, and keeps the machine running to its designed tolerances. This is a digital PDF download: there is no physical book to ship, delivery is instant after purchase, and the file can be opened on a laptop, tablet, or phone in the shop, or printed for pages you want on the bench.

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