Komatsu Backhoe Loader WB150AWS Repair Service Manual

Complete service repair manual with Electrical Wiring Diagrams for Komatsu Backhoe Loader WB150AWS, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.

Komatsu Backhoe Loader WB150AWS workshop service repair manual includes:
* 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.

WEAM003700 - Backhoe Loader WB150AWS-2 Operation & Maintenance Manual.pdf
WEBM003301 - Backhoe Loader WB150AWS-2 Shop Manual.pdf

PRODUCT DETAILS:
Total Pages: 774 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English

TABLE OF CONTENTS
WEAM003700 - Backhoe Loader WB150AWS-2 Operation & Maintenance Manual...1
  COVER...2
  TABLE OF CONTENTS...3
  FOREWORD...11
  INFORMATION ON SAFETY...12
  INTRODUCTION...14
    INTENDED USES...14
    IMPROPER OR UNAUTHORIZED USES...14
    MAIN CHARACTERISTICS...15
    RUNNING-IN...15
    PRODUCT IDENTIFICATION...16
    MACHINE SERIAL NUMBER...16
    MACHINE IDENTIFICATION PLATE...16
    ENGINE SERIAL NUMBER AND EMISSION LABEL...17
    FRONT AXLE SERIAL NUMBER...17
    REAR AXLE SERIAL NUMBER...17
    TRANSMISSION SERIAL NUMBER...18
    CAB SERIAL NUMBER...18
    CANOPY SERIAL NUMBER...18
    SERIAL NUMBERS AND DEALER'S ADDRESS...19
  SAFETY AND ACCIDENT PREVENTION...21
    1. GENERAL PRECAUTIONS...22
      1.1 GENERAL SAFETY RULES...22
      1.2 SAFETY DEVICES AND GUARDS...22
      1.3 CLOTHING AND PERSONAL PROTECTION ITEMS...22
      1.4 UNAUTHORIZED MODIFICATIONS...23
      1.5 LEAVING THE OPERATOR'S SEAT...23
      1.6 GETTING ON AND OFF THE MACHINE...24
      1.7 CHECKING THE REAR-VIEW MIRROR...24
      1.8 PREVENTING FIRES DUES TO FUEL AND OIL...25
      1.9 PREVENTING BURNS...25
      1.10 PREVENTING DAMAGE DUE TO ASBESTOS POWDER...26
      1.11 PREVENTING DAMAGE CAUSED BY THE WORK EQUIPMENT...26
      1.12 FIRE EXTINGUISHERS AND FIRST AID KIT...27
      1.13 PRECAUTIONS CONCERNING THE CAB STRUCTURE...27
      1.14 PRECAUTIONS CONCERNING THE EQUIPMENT...27
  PRECAUTIONS...29
    2. PRECAUTIONS TO BE TAKEN BEFORE STARTING THE ENGINE...30
      2.1 SAFETY ON THE WORK SITE...30
      2.2 FIRE PREVENTION...30
      2.3 PRECAUTIONS TO BE TAKEN FOR THE OPERATOR'S CAB...30
      2.4 ROOM VENTILATION...31
      2.5 CLEANING WINDOWS, MIRRORS AND LIGHTS- CHECKING THE WINDSHIELD WIPER BLADES AND THE BULBS...31
    3. PRECAUTIONS TO BE TAKEN WHEN WORKING...32
      3.1 STARTING THE ENGINE...32
      3.2 RULES FOR ROAD TRAVEL...32
      3.3 CHECKS FOR TRAVELING IN REVERSE...33
      3.4 MOVING THE MACHINE...34
      3.5 WORKING ON SLOPES...34
      3.6 PREVENTING ELECTROCUTION...35
      3.7 VISIBILITY...36
      3.8 WORKING ON ICY OR SNOW-COVERED SURFACES...36
      3.9 PREVENTING DAMAGE CAUSED BY THE WORK EQUIPMENT...36
      3.10 WORKING ON LOOSE GROUND...36
      3.11 PARKING THE MACHINE...37
    4. TRANSPORTING THE MACHINE ON OTHER VEHICLES...38
      4.1 LOADING AND UNLOADING...38
      4.2 THE ROUTE...38
    5. THE BATTERY...39
      5.1 SAFETY PRECAUTIONS FOR WORK ON BATTERIES...39
      5.2 STARTING THE ENGINE WITH JUMP LEADS...39
    6. PRECAUTIONS FOR EMERGENCY RECOVERY...40
    7. PRECAUTIONS TO BE TAKEN DURING MAINTENANCE...41
      7.1 WARNING PLATES...41
      7.2 TOOLS...41
      7.3 PERSONAL PRECAUTIONS...41
      7.4 EQUIPMENT...42
      7.5 WORKING UNDER THE MACHINE...42
      7.6 KEEPING THE MACHINE CLEAN...42
      7.7 RUNNING THE ENGINE DURING MAINTENANCE...43
      7.8 PERIODICAL CHANGE OF THE PARTS THAT ARE CRITICAL FOR SAFETY...43
      7.9 RULES FOR REFUELING AND ADDING OIL...43
      7.10 LEVEL OF COOLANT IN THE RADIATOR...44
      7.11 USING LAMPS...44
      7.12 PRECAUTIONS CONCERNING THE GEARSHIFT...44
      7.13 BATTERY AND ALTERNATOR PRECAUTIONS...45
      7.14 PRECAUTIONS CONCERNING THE STARTER...45
      7.15 PRECAUTIONS REGARDING HIGH PRESSURE HOSES...45
      7.16 PRECAUTIONS TO BE TAKEN WHEN WORKING ON HIGH PRESSURE SYSTEMS...46
      7.17 PRECAUTIONS FOR MAINTENANCE WORK INVOLVING HIGH TEMPERATURES AND PRESSURES...46
      7.18 THE RADIATOR COOLING FAN AND FAN BELT...46
      7.19 WASTE MATERIALS...47
      7.20 PRECAUTIONS FOR INFLATING TIRES...47
      7.21 PRECAUTIONS FOR THE INSTALLATION OF THE EXHAUST SYSTEM TAILPIPE...47
      7.22 PRECAUTIONS FOR THE USE OF THE SYNTHETIC BIODEGRADABLE OIL TYPE HEES...48
    8. SAFETY PLATES...49
      8.1 POSITION OF THE SAFETY PLATES...49
      8.2 POSITION OF THE PICTROGRAMS...64
      8.3 PICTOGRAMS AND RELEVANT MEANINGS...66
      8.4 VIBRATIONS TO WHICH THE OPERATOR IS SUBJECTED...70
  TECHNICAL SPECIFICATIONS...71
    9. TECHNICAL DATA...72
      9.1 STANDARD OVERALL DIMENSIONS...72
      9.2 TECHNICAL CHARACTERISTICS...73
      9.3 LIFTING CAPACITIES...74
  THE MACHINE AND ITS OPERATIONS...77
    10. SAFETY LOCKS...78
      10.1 FRONT LOADER LOCK...78
      10.2 BACKHOE LOCKS...80
    11. GENERAL VIEWS...81
      11.1 FRONT GENERAL VIEW...81
      11.2 BACKHOE GENERAL VIEW...82
      11.3 CAB INSIDE GENERAL VIEW...83
    12. INSTRUMENTS AND CONTROLS...84
      12.1 FRONT INSTRUMENTS...84
      12.2 SIDE INSTRUMENTS...96
      12.3 PUSH BUTTONS ON THE FRONT LOADER CONTROL LEVER...100
      12.4 ELECTRICAL ACCESSORIES...101
      12.5 MACHINE CONTROLS...102
    13. FUSES AND RELAYS...127
      13.1 EQUIPMENT FUSES AND RELAYS...127
      13.2 ENGINE FUSES AND RELAYS...129
    14. GUARDS, CAB AND DRIVER'S SEAT...131
      14.1 ENGINE HOOD...131
      14.2 CANOPY...131
      14.3 CAB...132
      14.4 VENTILATION AND HEATING...134
      14.5 SEAT...135
      14.6 SAFETY BELT...135
      14.7 FIRE EXTINGUISHER...136
      14.8  FIRST AID KIT...136
      14.9 TECHNICAL DOCUMENTATION...136
      14.10 ADDITIONAL TOOL CASE...136
    15. USE OF THE MACHINE...137
      15.1 CHECKS BEFORE STARTING THE ENGINE...137
        15.1.1 VISUAL CHECKS...137
        15.1.2 DAILY CHECKS...137
        15.1.3 OPERATIONAL CHECKS...138
      15.2 STARTING THE ENGINE...139
        15.2.1 STARTING WITH WARM ENGINE OR IN TEMPERATE CLIMATES...139
        15.2.2 STARTING WITH COLD ENGINE OR IN COLD CLIMATES...140
        15.2.3 STARTING THE ENGINE IN VERY COLD AREAS...140
      15.3 WARMING THE ENGINE...141
      15.4 HEATING THE HYDRAULIC OIL...141
      15.5 HOW TO MOVE THE MACHINE...142
        15.5.1 ENGAGING THE FOUR-WHEEL DRIVE...143
        15.5.2 WORKING ON SLOPES...144
        15.5.3 MAXIMUM IMMERSION DEPTH...145
    16. PARKING THE MACHINE...146
      16.1 PARKING ON LEVEL GROUND...146
      16.2 PARKING ON SLOPES...147
    17. STOPPING THE ENGINE...148
    18. TRANSPORTING THE MACHINE ON OTHER VEHICLES...149
      18.1 LOADING AND UNLOADING THE MACHINE...149
      18.2 TRANSPORT...150
    19. PRECAUTIONS TO BE TAKEN IN THE COLD SEASON...151
      19.1 FUEL AND LUBRICANTS...151
      19.2 COOLANT...151
      19.3 BATTERY...151
      19.4 OTHER PRECAUTIONS...152
      19.5 PRECAUTIONS TO BE TAKEN AT THE END OF WORK...152
    20. PRECAUTIONS TO BE TAKEN IN THE WARM SEASON...153
    21. USING THE MACHINE AS A LOADER...154
      21.1 BUCKET POSITION INDICATOR...154
      21.2 ORGANIZING THE WORK AREA...154
        21.2.1 LOADING HEAPED AND LEVEL MATERIAL...155
        21.2.2 LOADING OPERATIOINS ON SLOPES...155
      21.3 CHANGING THE STANDARD FRONT BUCKET...156
    22. USING THE MACHINE AS AN EXCAVATOR...157
      22.1 POSITIONING THE BUCKET ACCORDING TO THE WORK THAT MUST BE CARRIED OUT...157
      22.2 POSITIONING THE MACHINE FOR DIGGING OPERATIONS...158
      22.3 DIGGING METHOD...159
      22.4 CHANGING THE BACKHOE BUCKET...160
    23. TROUBLESHOOTING...161
      23.1 HOW TO REMOVE THE MACHINE...161
      23.2 IF THE FUEL HAS BEEN COMPLETELY DEPLETED...161
      23.3 IF THE BATTERY IS DEPLETED...162
        23.3.1 STARTING WITH BOOSTER CABLES...163
      23.4 OTHER TROUBLES...164
        23.4.1 ELECTRICAL CIRCUIT...164
        23.4.2 HYDRAULIC SYSTEM...164
        23.4.3 BRAKING SYSTEM...165
        23.4.4 TORQUE CONVERTER SYSTEM...165
        23.4.5 ENGINE...166
  MAINTENANCE...167
    24. GUIDE TO MAINTENANCE...168
    25. MAINTENANCE NOTES...170
      25.1 NOTES REGARDING THE ENGINE...170
        25.1.1 ENGINE OIL...170
        25.1.2 COOLANT...170
        25.1.3 FUEL...171
      25.2 NOTES REGARDING THE HYDRAULIC SYSTEM...171
      25.3 NOTES REGARDING THE ELECTRICAL SYSTEM...172
      25.4 NOTES REGARDING LUBRICATION...172
      25.5 PARTS SUBJECT TO WEAR THAT PERIODICALLY NEED CHANGING...173
    26. FUEL, COOLANT AND LUBRICANTS...174
      26.1 HOMOLOGATED HEES SYNTHETIC BIODEGRADABLE LUBRICANTS...178
      26.2 LUBRICATION DIAGRAM...179
      26.3 LUBRICATION DIAGRAM (MULTIPURPOSE BUCKET AND PALLET FORKS)...180
      26.4 LUBRICATION DIAGRAM (FRONT BUCKET RAPID COUPLINGS...181
      26.5 LUBRICATION DIAGRAM (TELESCOPIC ARM)...182
      26.6 PERIODICAL CHANGE OF THE COMPONENTS CONNECTED WITH SAFETY...183
        26.6.1 CRITICAL PARTS FOR SAFETY...184
    27. NUT AND BOLT TIGHTENING TORQUES...188
      27.1 STANDARD TIGHTENING TORQUES...188
      27.2 SPECIFIC TIGHTENING TORQUES...188
    28. MAINTENANCE PLAN...189
      28.1 CHECK BEFORE STARTING...192
        28.1.a VARIOUS CHECKS...192
        28.1.b CHECKING THE FUEL LEVEL...192
        28.1.c CHECKING THE COOLANT LEVEL...193
        28.1.d CHECKING THE ENGINE OIL LEVEL...193
        28.1.e CHECKING THE HYDRAULIC CIRCUIT OIL LEVEL...194
        28.1.f DRAINING THE WATER SEPERATOR...194
      28.2 MAINTENANCE EVERY 10 HOURS OF OPERATION...195
        28.2.a LUBRICATING THE JOINTS...195
      28.3 MAINTENANCE AFTER THE FIRST 50 HOURS OF OPERATION...197
        28.3.A CHANGE HYDRAULIC OIL DRAIN FILTER...206
      28.4 MAINTENANCE EVERY 50 HOURS OF OPERATION...197
        28.4.a CHECKING THE RADIATOR FLUID LEVEL...197
        28.4.b CHECKING THE BRAKING SYSTEM OIL LEVEL...197
        28.4.c LUBRICATING THE PROPELLER SHAFTS...198
        28.4.d LUBRICATING THE FRONT AXLE JOINTS CENTRAL COUPLING AND THE REAR AXLE JOINTS...199
        28.4.e CHECKING THE TIRE PRESSURE...199
        28.4.f CHECKING THE ELECTRICAL SYSTEM...200
      28.5 MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION...201
        28.5.A CHANGE FRONT AXLE OIL...210
        28.5.B CHANGE REAR AXLE OIL...211
        28.5.C CHANGE HYDRAULIC TRANSMISSION OIL...212
        28.5.D CHANGE HYDRAULIC TRANSMISSION OIL FILTER...213
        28.5.E CHECK AND ADJUST ENGINE VALVE CLEARANCE...213
        28.5.F CHANGE HYDRAULIC OIL FILTER DRAIN...201
      28.6 MAINTENANCE EVERY 250 HOURS OF OPERATION...201
        28.6.a ADJUSTING FAN BELT TENSION...201
        28.6.b CLEANING THE OUTSIDE OF THE RADIATORS...202
        28.6.c CHECKING THE BATTERY ELECTROLYTE LEVEL...202
        28.6.d CHECKING THE FRONT AXLE OIL LEVELS...203
        28.6.e CHECKING THE REAR AXLE OIL LEVELS...203
        28.6.f CHECKING THE HYDRAULIC TRANSMISSION OIL LEVEL...204
        28.6.g CHECKING THE WHEEL NUT DRIVING TORQUE...204
      28.7 MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION...205
        28.7.a CHANGE HYDRAULIC OIL AND CLEAN SUCTION FILTER...214
      28.8 MAINTENANCE EVERY 500 HOURS OF OPERATION...205
        28.8.a CHANGING THE ENGINE OIL...205
        28.8.b CHANGING THE ENGINE OIL FILTER...206
        28.8.c CHANGING THE HYDRAULIC SYSTEM OIL FILTER...206
        28.8.d CHANGING THE FUEL FILTER...208
        28.8.e DRAINING THE FUEL TANK...209
        28.8.f DRAINING THE HYDRAULIC OIL TANK...209
      28.9 MAINTENANCE EVERY 1000 HOURS OF OPERATION...210
        28.9.a CHANGING THE FRONT AXLE OIL...210
        28.9.b CHANGING THE REAR AXLE OIL...211
        28.9.c CHANGING THE HYDRAULIC TRANSMISSION OIL...212
        28.9.d CHANGING THE HYDRAULIC TRANSMISSION FILTER...213
        28.9.e CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE...213
      28.10 MAINTENANCE EVERY 2000 HOURS OF OPERATION...214
        28.10.a CHANGING THE HYDRAULIC SYSTEM OIL AND CLEANING THE SUCTION FILTER...214
        28.10.b CHANGING THE COOLANT...216
        28.10.c CHANGING THE BRAKING SYSTEM OIL...218
        28.10.d CHECKING THE ALTERNATOR AND THE STARTER...218
      28.11 WHEN REQUIRED...219
        28.11.a CHECKING, CLEANING OR CHANGING THE AIR CLEANER CARTRIDGE...219
        28.11.b CHECKING AND CLEANING THE CAB AIR FILTERS...220
        28.11.c BLEEDING THE BRAKING CIRCUIT...221
        28.11.d WASHING THE COOLING CIRCUIT...222
        28.11.e CLEANING THE WATER SEPERATOR...224
        28.11.f CHECKING AND ADJUSTING THE WHEEL TOE-IN...224
        28.11.g CHECKING AND ADJUSTING THE PARKING BRAKE...225
        28.11.h CHECKING THE BRAKING EFFICIENCY...226
        28.11.j CHECKING AND ADJUSTING THE BRAKE PEDAL STROKE...227
        28.11.k ADJUSTING THE AUTOMATIC RETURN OF THE FRONT BUCKET TO THE DIGGING POSITION...227
      28.12 MAINTENANCE INTERVALS IN CASE OF USE OF THE DEMOLITION HAMMER...228
        28.12.a CHANGING THE HYDRAULIC OIL FILTER...228
        28.12.b CHANGING THE HYDRAULIC OIL...228
    29. LONG PERIODS OF INACTIVITY...229
      29.1 BEFORE THE PERIOD OF INACTIVITY...229
      29.2 DURING THE PERIOD OF INACTIVITY...231
      29.3 AFTER THE PERIOD OF INACTIVITY...231
  AUTHORISED OPTIONAL EQUIPMENT...233
    30. AUTHORIZED OPTIONAL EQUIPMENT...234
      30.1 PRECAUTIONS REGARDING SAFETY...234
      30.2 CHARACTERISTICS OF THE OPTIONAL EQUIPMENT...235
    31. FRONT EQUIPMENT RAPID COUPLING DEVICES...236
      31.1 MANUAL CONTROL RAPID COUPLING...236
      31.2 HYDRAULIC CONTROL RAPID COUPLING FOR STANDARD BUCKET...237
      31.3 HYDRAULIC CONTROL RAPID COUPLING FOR 4 IN 1 BUCKET AND OPTIONAL EQUIPMENT WITH UNIDIRECTIONAL OIL FLOW...237
    32. MULTIPURPOSE BUCKET...238
      32.1 DESCRIPTION AND CONTROLS...238
      32.2 SAFETY DEVICES...238
      32.3 INSTALLING TEH MULTIPURPOSE BUCKET...239
      32.4 USING THE MULTIPURPOSE BUCKET...240
      32.5 MAINTENANCE...240
    33. PALLET FORKS...241
      33.1 DESCRIPTION...241
      33.2 SAFETY DEVICES...241
      33.3 USING THE FORKS...241
        33.3.1 PREPARING THE PALLET FORKS FOR USE...242
        33.3.2 OVERTURNING THE FORKS FOR TRAVEL ON ROADS...242
      33.4 REMOVING THE FORKS...243
      33.5 INSTALLING THE FORKS...243
      33.6 MAINTENANCE...243
    34. BACKHOE TELESCOPIC ARM...244
      34.1 DESCRIPTION AND CONTROL...244
      34.2 SAFETY DEVICES...244
      34.3 USING THE TELESCOPIC ARM...245
      34.4 MAINTENANCE...245
        34.4.1 ADJUSTING THE GUIDE SLACK...245
    35. ARRANGEMENT FOR THE INSTALLATION OF THE DEMOLITION HAMMER...247
      35.1 DESCRIPTION AND CONTROL...247
      35.2 USE OF THE DEMOLITION HAMMER AND RULES TO BE OBSERVED...248
      35.3 INSTALLING AND REMOVING THE DEMOLITION HAMMER...252
        35.3.1 INSTALLING THE HAMMER...252
        35.3.2 REMOVING THE HAMMER...254
      35.4 MAINTENANCE...254
    36. ARRANGEMENT FOR THE OPERATION OF OPTIONAL EQUIPMENT WITH UNIDIRECTIONAL OIL FLOW...255
      36.1 DESCRIPTION AND CONTROL...255
      36.2 INSTALLING AND CONNECTING THE EQUIPMENT...255
      36.3 MAINTENANCE...256
    37. ARRANGEMENT FOR THE INSTALLATION OF THE CLAMSHELL BUCKET...257
      37.1 DESCRIPTION AND CONTROL...257
      37.2 INSTALLING THE CLAMSHELL BUCKET...258
      37.3 USING THE CLAMSHELL BUCKET...259
      37.4 MAINTENANCE...259
    38. ARRANGEMENT FOR THE INSTALLATION OF THE MANUAL HYDRAULIC HAMMER...260
      38.1 DESCRIPTION AND CONTROL...260
      38.2 CONNECTING AND REMOVING THE HAMMER...261
        38.2.1 CONNECTING THE HAMMER...261
        38.2.2 REMOVING THE CONNECTIONS...261
      38.3 USING THE HAMMER...262
      38.4 MAINTENANCE...262
    39. LOAD STABILIZER SYSTEM (LSS) (OPTIONAL)...263
      39.1 ACCUMULATOR OF THE LOAD STABILIZER SYSTEM (LSS)...263
    40. AIR CONDITIONERS (OPTIONAL)...264
WEBM003301 - Backhoe Loader WB150AWS-2 Shop Manual...265
  COVER...265
  CONTENTS...267
    LIST OF REVISED PAGES...269
  SAFETY...271
  FOREWORD...273
    HOW TO READ THE SHOP MANUAL...274
    HOISTING INSTRUCTIONS...275
    STANDARD TIGHTENING TORQUE...276
    COATING MATERI ALS...278
    ELECTRIC...279
    WEIGHT TABLE...280
    TABLE OF OIL AND COOLANT QUANTITIES...281
    CONVERSION TABLE...283
  10. STRUCTURE AND FUNCTION...293
    POWER TRAIN...294
    TRANSMISSION...296
    DRIVE SHAFTS...300
    CONTROL VALVE BLOCK...302
    FRONT AXLE...304
    REAR AXLE...307
    STEERING SYSTEM (4WS)...311
    HYDRAULIC PUMP...316
    STEERING UNIT...337
    HYDRAULIC CIRCUIT...339
    SHOVEL CONTROL VALVE...340
    BACKHOE CONTROL VALVE...344
    CLSS (Closed Center Load Sensing System)...351
    SOLENOID VALVE...365
    SAFETY VALVE...367
    BRAKE PUMP...369
    SHOVEL CYLINDERS...370
    BACKHOE CYLINDERS...371
    AIR-CONDITIONING UNIT...374
    HOW THE AIR-CONDITIONING UNIT FUNCTIONS...375
    ELECTRICAL DIAGRAM...377
    ELECTRICAL DIAGRAM ( AIR CONDITIONING)...379
  20. TESTING AND ADJUSTMENTS...383
    NORMAL OR STANDARD TECHNICAL DATA...384
    SPECIAL TOOLS...396
    MEASURING ENGINE SPEED...397
    ADJUSTING VALVE CLEARANCE...398
    MEASURING COMPRESSION PRESSURE...399
    TESTING AND ADJUSTING FUEL INJECTION TIMING...400
    CHECKING AND TIGHTENING THE FAN -BELT...402
    CHECKING AND TIGHTENING THE COMPRESSOR FAN-BELT...403
    MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER...404
    ADJUSTING BRAKE PEDAL TRAVEL,BRAKE ALIGNMENT, MICROSWITCHES...406
    AIR BLEEDING -RELEASING RESIDUAL PRESSURE...407
    CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT...410
    TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE)...416
    TESTING AND ADJUSTING OF UNLOADING VALVE...417
    CHECKING UNLOADING VALVE FUNCTIONALITY...418
    TESTING PRIORITY VALVE OPERATION...419
    TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE...420
    TESTING BRAKE SYSTEM...421
    CONTROL OF THE ENGINE SPEED UNDER LOAD...423
    TESTING PRESSURES IN THE POWER TRAIN GROUP...425
    TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES...427
    ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE...428
    ANALYSIS OF CAUSES HYDRAULIC DRIFT...429
    TESTING THE AIR -CONDITIONING UNIT...434
    EMPTYING THE AIR-CONDITIONING UNIT...436
    TROUBLESHOOTING...437
      FRONT AXLE TROUBLESHOOTING...438
      REAR AXLE TROUBLESHOOTING...443
      TRANSMISSION TROUBLESHOOTING...448
      CHECKING AND INSPECTION OF THE ELETRONIC CONTROL UNIT...451
  30. REMOVAL AND INSTALLATION...455
    HOW TO READ THE MANUAL...457
    PRECAUTIONS TO BE TAKEN WHILE WORKING...458
    SPECIAL TOOLS...459
    STARTING MOTOR...463
      REMOVAL AND INSTALLATION...463
    THE ALTERNATOR...464
      REMOVAL...464
      INSTALLATION...465
    AIR-CONDITIONING UNIT COMPRESSOR...466
      REMOVAL...466
      INSTALLATION...467
    INJECTION PUMP...468
      REMOVAL...468
      INSTALLATION...471
    INJECTION NOZZLES...472
      REMOVAL AND INSTALLATION...472
    THERMOSTAT...473
      REMOVAL AND INSTALLATION...473
    COOLING LIQUID PUMP...474
      REMOVAL...474
      INSTALLATION...475
    TURBOCOMPRESSOR...476
      REMOVAL...476
      INSTALLATION...477
    CYLINDER HEAD...478
      REMOVAL...478
      INSTALLATION...480
    FRONT COUNTERWEIGHT...482
      REMOVAL AND INSTALLATION...482
    RADIATOR GROUP...483
      REMOVAL...483
      INSTALLATION...485
    CONDENSER...486
      REMOVAL AND INSTALLATION...486
    MUFFLER...487
      REMOVAL AND INSTALLATION...487
    EXHAUST PIPE...488
      REMOVAL AND INSTALLATION...488
    ENGINE HOOD...489
      REMOVAL...489
      INSTALLATION...490
    CAB...491
      REMOVAL...491
      INSTALLATION...494
    HEAT AND AIR-CONDITIONING GROUP...495
      REMOVAL...495
      INSTALLATION...496
    FUEL TANK...497
      REMOVAL AND INSTALLATION...497
    HYDRAULIC OIL TANK...498
      REMOVAL AND INSTALLATION...498
    ENGINE-GEARBOX-PUMP GROUP...499
      REMOVAL...499
      INSTALLATION...504
    PISTON PUMP...505
      REMOVAL...505
      INSTALLATION...506
    TRANSMISSION...507
      REMOVAL...507
      INSTALLATION...510
      DISASSEMBLY AND ASSEMBLY...511
    CONVERTOR...609
      REMOVAL AND INSTALLATION...609
    TRANSMISSION-REVERSE,DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP...610
      REMOVAL AND INSTALLATION...610
    STEERING UNIT...611
      REMOVAL AND INSTALLATION...611
    WORKING BRAKE PUMP GROUP...612
      REMOVAL AND INSTALLATION...612
    FRONT WORKING EQUIPMENT CONTROL VALVE...613
      REMOVAL AND INSTALLATION...613
    FRONT AND BACKHOE CONTROL VALVE...614
      DISASSEMBLY AND ASSEMBLY...614
    FRONT AXLE...628
      REMOVAL...628
      INSTALLATION...629
      DISASSEMBLY...630
      ASSEMBLY...642
    REAR AXLE...659
      REMOVAL...659
      INSTALLATION...660
      DISASSEMBLY...661
      ASSEMBLY...680
    STEERING SOLENOID VALVE GROUP...703
      REMOVAL AND INSTALLATION...703
    FRONT BUCKET BOOM-RAISING CYLINDER...704
      REMOVAL AND INSTALLATION...704
    FRONT BUCKET TILT CYLINDERS...705
      REMOVAL AND INSTALLATION...705
    FRONT BUCKET...706
      REMOVAL AND INSTALLATION...706
    FRONT WORKING EQUIPMENT...707
      REMOVAL...707
      INSTALLATION...708
    BACKHOE CONTROL VALVE...709
      REMOVAL...709
      INSTALLATION...710
    BACKHOE BOOM CYLINDER...711
      REMOVAL AND INSTALLATION...711
    BACKHOE ARM CYLINDER...712
      REMOVAL AND INSTALLATION...712
    TELESCOPIC ARM CYLINDER...713
      REMOVAL AND INSTALLATION...713
    BACKHOE BUCKET CYLINDER...714
      REMOVAL AND INSTALLATION...714
    OUTRIGGER CYLINDERS...715
      REMOVAL AND INSTALLATION...715
    BACKHOE SWING CYLINDERS...716
      REMOVAL AND INSTALLATION...716
    CYLINDERS...717
      DISASSEMBLY...717
      ASSEMBLY...719
    BOOM SWING CYLINDER...722
      DISASSEMBLY...722
      ASSEMBLY...723
    BOOM SAFETY CYLINDER...725
      REMOVAL AND INSTALLATION...725
    BACKHOE WORKING EQUIPMENT...726
      REMOVAL AND INSTALLATION...726
    BACKHOE BUCKET...727
      REMOVAL AND INSTALLATION...727
    ARM...728
      REMOVAL AND INSTALLATION...728
    TELESCOPIC ARM...729
      REMOVAL AND INSTALLATION...729
    2nd ARM...730
      REMOVAL AND INSTALLATION...730
    2nd ARM GUIDES...731
      REMOVAL AND INSTALLATION...731
    BACKHOE BOOM...732
      REMOVAL AND INSTALLATION...732
    BACKHOE SWING BRACKET...733
      REMOVAL AND INSTALLATION...733
    BACKHOE OUTRIGGERS...734
      REMOVAL...734
      INSTALLATION...735
  40. STANDARD MAINTENANCE...739
    TRANSMISSION...740
    FRONT AXLE...743
    REAR AXLE...746
    HYDRAULIC PUMP...750
    2-SPOOL CONTROL VALVE...752
    3-SPOOL CONTROL VALVE...754
    6-SPOOL CONTROL VALVE...756
    7-SPOOL CONTROL VALVE...759
    8-SPOOL CONTROL VALVE...761
    BRAKE PUMP...762
    SHOVEL CYLINDERS...763
    BACKHOE CYLINDERS...764
    FRONT WORKING EQUIPMENT...768
    SWING BRACKET...770
    BACKHOE WORKING EQUIPMENT...772
    
Komatsu Backhoe Loader WB150AWS Repair Service Manual