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Komatsu Backhoe Loader WB156PS-5 Shop Manual – PDF DOWNLOAD
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Komatsu Backhoe Loader WB156PS-5 Shop Manual
SERIAL NUMBERS : WB156PS-5 A73001 and UP
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Description
Komatsu Backhoe Loader WB156PS-5 Shop Manual
FILE DETAILS:
Komatsu Backhoe Loader WB156PS-5 Shop Manual
Brands: Komatsu
Equipment Type: Backhoe Loader
Manuals Type: Shop Manual
Machine Model: WB156PS-5
Serial Number: A73001 and up
Book Code: CEBM002201
Language: English
Pages: 568
File Format: Portable Document Format (PDF)
DESCRIPTION:
Komatsu Backhoe Loader WB156PS-5 Shop Manual
1 GENERAL :
This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman 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. For ease of understanding, the manual is divided into the following sections. These sections are further divided into each main group of components.
GENERAL:
This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant and lubricant specification charts.
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD:
This section gives the judgement standards when inspecting disassembled parts. It 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, ADJUSTING AND TROUBLESHOOTING:
This section 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.
DISASSEMBLY AND ASSEMBLY:
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.
OTHER:
This section has the foldout drawings for the machine.
TABLE OF CONTENTS:
Komatsu Backhoe Loader WB156PS-5 Shop Manual
CONTENTS....................................................................... 2 SAFETY......................................................................... 9 SAFETY NOTICE.............................................................. 9 IMPORTANT SAFETY NOTICE................................................ 9 GENERAL PRECAUTIONS.................................................... 9 PREPARATIONS FOR WORK.................................................. 9 PRECAUTIONS DURING WORK................................................ 9 GENERAL........................................................................ 11 HOW TO READ THE SHOP MANUAL.................................................... 12 VOLUMES.................................................................... 12 DISTRIBUTION AND UPDATING.................................................. 12 FILING METHOD.............................................................. 12 REVISED EDITION MARK....................................................... 12 REVISIONS.................................................................. 12 SYMBOLS.................................................................... 12 HOISTING INSTRUCTIONS.......................................................... 13 HOISTING................................................................... 13 WIRE ROPES................................................................. 13 EXPLANATION OF TERMS FOR MAINTENANCE STANDARD.................................. 14 COATING MATERIALS.............................................................. 16 STANDARD TIGHTENING TORQUE..................................................... 18 STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS............................... 18 TIGHTENING TORQUE OF HOSE NUTS............................................. 19 TIGHTENING TORQUE OF SPLIT FLANGE BOLTS.................................... 19 TIGHTENING TORQUE FOR FLARED NUTS.......................................... 19 TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PIPING JOINTS.................. 20 TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PLUGS.......................... 20 TIGHTENING TORQUE TABLE FOR HOSES (TAPER SEAL TYPE AND FACE SEAL TYPE)..... 20 ELECTRIC WIRE CODE............................................................. 21 CLASSIFICATION BY THICKNESS................................................ 21 CLASSIFICATION BY COLOR AND CODE........................................... 21 CONNECTING PUSH-PULL TYPE COUPLER.............................................. 22 CONVERSION TABLES.............................................................. 25 METHOD OF USING THE CONVERSION TABLE....................................... 25 SPECIFICATION DRAWING.......................................................... 32 SPECIFICATIONS............................................................. 32 MACHINE DIMENSIONS AND WEIGHTS......................................... 32 BACKHOE ARM.................................................................... 33 STANDARD ARM............................................................... 33 TELESCOPIC ARM (RETRACTED)................................................. 34 TELESCOPIC ARM (EXTENDED).................................................. 35 MACHINE SYSTEMS SPECIFICATIONS................................................. 36 ENGINE..................................................................... 36 ELECTRICAL SYSTEM.......................................................... 36 SERVICE REFILL CAPACITIES.................................................. 36 TRANSMISSION............................................................... 37 TOTAL MASS................................................................. 37 LOADER..................................................................... 37 BACKHOE.................................................................... 37 TIRE PRESSURE.............................................................. 37 WEIGHT TABLE................................................................... 38 LIFTING THE MACHINE............................................................ 39 LIFTING POSITION MARKS..................................................... 39 LIFTING PROCEDURE.......................................................... 40 FUEL, COOLANT, AND LUBRICANTS.................................................. 42 PROPER SELECTION ACCORDING TO THE AMBIENT TEMPERATURE...................... 42 GREASE..................................................................... 43 FUEL AND ENGINE OIL REMARKS................................................ 43 HOMOLOGATED (HEES) SYNTHETIC LUBRICANTS........................................ 44 LUBRICATION DIAGRAMS........................................................... 45 GENERAL VIEW............................................................... 45 POWER TRAIN.................................................................... 50 DESCRIPTION................................................................ 50 POWER FLOW................................................................. 50 TRANSMISSION DIAGRAM........................................................... 52 TRANSMISSION................................................................... 53 COMPLETE ASSEMBLY.......................................................... 53 VALVE BODY................................................................. 55 CLUTCH PACKS............................................................... 56 FORWARD AND REVERSE PACK............................................... 56 DRIVE SHAFT PACK....................................................... 56 DRIVEN GEAR SHAFT PACK................................................. 57 4WD DRIVEN SHAFT PACK.................................................. 57 FRONT AXLE..................................................................... 58 COMPLETE ASSEMBLY.......................................................... 58 DIFFERENTIAL........................................................... 59 PLANETARY.............................................................. 60 REAR AXLE...................................................................... 61 COMPLETE ASSEMBLY.......................................................... 61 DIFFERENTIAL............................................................... 62 FINAL REDUCTION GEARS...................................................... 63 WHEEL BRAKES............................................................... 64 DIFFERENTIAL LOCK.......................................................... 65 HYDRAULIC PUMP................................................................. 66 MAIN PUMP.................................................................. 67 FUNCTION............................................................... 69 STRUCTURE.............................................................. 69 OPERATION.............................................................. 69 DELIVERY CONTROL VALVE..................................................... 71 LS VALVE FUNCTION...................................................... 73 PC VALVE FUNCTION...................................................... 73 PC VALVE OPERATION..................................................... 74 MAIN CONTROL VALVE............................................................. 77 10-SPOOL CONTROL VALVE..................................................... 77 CLSS........................................................................... 83 DESCRIPTION................................................................ 83 CHARACTERISTICS........................................................ 83 STRUCTURE.............................................................. 83 OPERATING PRINCIPLES....................................................... 84 PUMPING PLATE CONTROL ANGLE............................................ 84 PRESSURE COMPENSATION CONTROL.......................................... 85 MAIN CONTROL VALVE..................................................... 86 UNLOADING VALVE........................................................ 87 LS PRESSURE............................................................ 90 LS BYPASS PLUG......................................................... 92 PRESSURE COMPENSATION.................................................. 93 PRESSURE COMPENSATION VALVE............................................ 94 PRIORITY VALVE......................................................... 95 PPC REDUCING VALVE..................................................... 96 STEERING UNIT.................................................................. 99 TECHNICAL DATA............................................................. 99 OPERATION.................................................................. 99 PPC VALVES.....................................................................100 STANDARD VALVE.............................................................100 OPERATION..............................................................102 PPC VALVE (FLOAT + RETURN TO DIG)..........................................106 OPERATION..............................................................108 OUTRIGGER..................................................................112 OPERATION..............................................................113 BACKHOE....................................................................116 LEFT VALVE.............................................................116 RIGHT VALVE............................................................117 SOLENOID VALVE.................................................................118 HYDRAULIC CONTROLS WITHOUT MULTI-PURPOSE BUCKET............................118 HYDRAULIC CONTROLS WITH MULTI-PURPOSE BUCKET...............................119 SAFETY VALVES..................................................................120 BUCKET RAISE...............................................................120 BUCKET DUMP................................................................121 BOOM.......................................................................122 ARM........................................................................123 LOADER CYLINDERS...............................................................124 BOOM.......................................................................124 CHARACTERISTICS........................................................124 BUCKET.....................................................................125 CHARACTERISTICS........................................................125 MULTI-PURPOSE (MP) BUCKET..................................................126 CHARACTERISTICS........................................................126 BACKHOE CYLINDERS..............................................................127 BOOM.......................................................................127 CHARACTERISTICS........................................................127 ARM........................................................................128 CHARACTERISTICS........................................................128 BUCKET.....................................................................129 CHARACTERISTICS........................................................129 TELESCOPIC ARM CYLINDER....................................................130 CHARACTERISTICS........................................................130 SWING......................................................................131 CHARACTERISTICS........................................................131 OUTRIGGER..................................................................132 CHARACTERISTICS........................................................132 WORK EQUIPMENT.................................................................134 LOADER.....................................................................134 BACKHOE....................................................................136 AIR CONDITIONING...............................................................139 STANDARD VALUE TABLE...........................................................143 ENGINE.....................................................................143 CHASSIS....................................................................144 SPECIAL TOOLS..................................................................151 ENGINE SPEED...................................................................152 ENGINE WITH LOAD...........................................................152 MACHINE IN POWER MODE AT MIN...........................................152 WITH CONVERTER STALLED.................................................152 CONVERTER STALLED AND HYDRAULIC PUMP UNDER LOAD........................152 ANALYSIS...............................................................153 VALVE CLEARANCE................................................................153 AIR CONDITIONER COMPRESSOR BELT TENSION........................................154 BLEED AIR FROM CIRCUITS........................................................155 BLEED AIR FROM CYLINDERS...................................................155 BLEED AIR FROM BRAKING CIRCUIT.............................................155 RELEASING RESIDUAL PRESSURE................................................155 ACCELERATOR PEDAL AND LEVER....................................................156 ACCELERATOR PEDAL TRAVEL...................................................156 ACCELERATOR LEVER TRAVEL...................................................157 BRAKE SYSTEM...................................................................158 CONTROL....................................................................158 ADJUSTMENT.................................................................158 CHECKS.....................................................................159 LEAKAGE CHECKS.........................................................159 INDIVIDUAL PUMP CHECK..................................................160 BRAKE GROUP LEAKAGE....................................................161 PARKING BRAKE ADJUSTMENT.......................................................162 HYDRAULIC CIRCUIT..............................................................163 INTRODUCTION...............................................................163 MAIN CONTROL VALVE.....................................................164 RELIEF VALVES..................................................................165 TESTING....................................................................165 UNLOADING VALVE........................................................165 MAIN RELIEF VALVE......................................................165 SECONDARY VALVES.......................................................165 SETTING RELIEF VALVES..........................................................168 MAIN RELIEF VALVE..........................................................168 CIRCUIT RELIEF VALVES......................................................168 ARM IN, LOADER CURL, BACKHOE BUCKET CURL, BOOM RAISE, AND MP BUCKET....168 SWING, LOADER DUMP, HAMMER, AND BOOM RAISE.............................169 LS DIFFERENTIAL PRESSURE.......................................................170 CONTROL....................................................................170 ADJUSTMENT.................................................................170 PPC SUPPLY PRESSURE............................................................171 CHECK......................................................................171 ADJUSTMENT.................................................................171 PC VALVE.......................................................................172 ADJUSTMENT.................................................................172 STEERING CONTROL SYSTEM........................................................173 CONTROL....................................................................173 SETTING....................................................................173 STEERING CYLINDER..............................................................174 POWER TRAIN GROUP..............................................................175 CONVERTER OIL PRESSURE.....................................................175 CLUTCH ENGAGEMENT PRESSURE.................................................175 SUPPLY PRESSURE............................................................176 TRANSMISSION CLUTCH FUNCTION...................................................177 MACHINE PREPARATION........................................................177 CONTROL....................................................................177 HYDRAULIC DRIFT................................................................178 LOADER.....................................................................178 BOOM CIRCUIT...........................................................178 BUCKET CIRCUIT.........................................................179 BACKHOE....................................................................179 BOOM CIRCUIT...........................................................180 ARM CIRCUIT............................................................180 BUCKET CIRCUIT.........................................................181 OUTRIGGERS CIRCUIT - WITHOUT LOCK VALVES...............................182 AIR CONDITIONING...............................................................183 WORK TEMPERATURE...........................................................183 UNIT CHECK.................................................................183 EMPTYING THE AIR CONDITIONING UNIT.........................................184 TROUBLESHOOTING GUIDE..........................................................185 FRONT AXLE.................................................................185 REAR AXLE..................................................................190 TRANSMISSION...............................................................195 FUSES AND RELAYS...............................................................198 FUSE AND RELAY PANEL LOCATION..............................................198 FUSE AND RELAY PANEL LAYOUT................................................199 FUSES..................................................................199 RELAYS.................................................................201 HEATING AND AIR CONDITIONING FUSES AND RELAYS..............................202 FUSES..................................................................202 RELAYS.................................................................202 HOW TO USE THIS MANUAL.........................................................209 REMOVAL AND INSTALLATION OF COMPONENTS.....................................209 REMOVAL................................................................209 INSTALLATION...........................................................209 OVERHAUL OF COMPONENTS.....................................................210 DISASSEMBLY PROCEDURES.................................................210 ASSEMBLY PROCEDURES....................................................210 PRECAUTIONS FOR WORK...........................................................211 SPECIAL TOOL LIST..............................................................213 CONNECTOR REPAIR PROCEDURES....................................................216 CONTACT TERMINAL REMOVAL (HD30 TYPE).......................................216 CRIMPING CONTACT TERMINAL (HD30 TYPE)......................................217 INSERTION OF CONTACT TERMINAL (HD30 TYPE)..................................218 CONTACT TERMINAL REMOVAL (DT TYPE).........................................219 CRIMPING CONTACT TERMINAL (DT TYPE)........................................220 INSERTION OF CONTACT TERMINAL (DT TYPE)....................................221 STRIPPING INSULATION.......................................................222 ENGINE HOOD....................................................................223 REMOVAL....................................................................223 INSTALLATION...............................................................224 FRONT GUARD....................................................................225 REMOVAL....................................................................225 INSTALLATION...............................................................225 RADIATOR.......................................................................226 REMOVAL....................................................................226 INSTALLATION...............................................................229 AIR CONDITIONER CONDENSER......................................................230 REMOVAL....................................................................230 INSTALLATION...............................................................230 MUFFLER........................................................................231 REMOVAL....................................................................231 INSTALLATION...............................................................232 AIR FILTER.....................................................................233 REMOVAL....................................................................233 INSTALLATION...............................................................233 TURBOCHARGER...................................................................234 REMOVAL....................................................................234 INSTALLATION...............................................................236 AIR CONDITIONER COMPRESSOR.....................................................237 REMOVAL....................................................................237 INSTALLATION...............................................................239 AIR CONDITIONER COMPRESSOR BELT................................................240 REMOVAL....................................................................240 INSTALLATION...............................................................240 EXHAUST STACK..................................................................241 REMOVAL....................................................................241 INSTALLATION...............................................................242 OPERATOR’S SEAT................................................................242 REMOVAL....................................................................242 INSTALLATION...............................................................242 CAB HEATING AND COOLING SYSTEM.................................................243 REMOVAL....................................................................243 FAN....................................................................247 HEATER CORE............................................................248 INSTALLATION...............................................................249 BATTERY........................................................................250 REMOVAL....................................................................250 INSTALLATION...............................................................251 FUEL TANK......................................................................252 REMOVAL....................................................................252 INSTALLATION...............................................................253 STEERING AND FRONT DASH ASSEMBLY...............................................254 STEERING WHEEL.............................................................254 REMOVAL................................................................254 INSTALLATION...........................................................255 FRONT DASH ASSEMBLY........................................................256 REMOVAL................................................................256 INSTALLATION...........................................................257 STEERING UNIT..............................................................258 REMOVAL................................................................258 INSTALLATION...........................................................259 BRAKE SYSTEM...................................................................260 REMOVAL....................................................................260 INSTALLATION...............................................................262 BLEED AIR FROM BRAKING CIRCUIT.............................................263 CAB............................................................................264 REMOVAL....................................................................264 INSTALLATION...............................................................270 HYDRAULIC OIL TANK.............................................................271 REMOVAL....................................................................271 INSTALLATION...............................................................277 HYDRAULIC PUMP.................................................................278 REMOVAL....................................................................278 INSTALLATION...............................................................280 TRANSMISSION...................................................................281 REMOVAL....................................................................281 INSTALLATION...............................................................284 BLEED AIR FROM CYLINDERS...................................................285 TRANSMISSION OVERHAUL PROCEDURES...............................................286 TORQUE CONVERTER...........................................................286 REMOVAL................................................................286 INSTALLATION...........................................................286 PLUGS AND FILTERS..........................................................287 DISASSEMBLY............................................................287 ASSEMBLY...............................................................291 PUMP.......................................................................294 DISASSEMBLY............................................................294 ASSEMBLY...............................................................296 VALVE BODY.................................................................298 DISASSEMBLY............................................................298 ASSEMBLY...............................................................301 HYDRAULIC SUPPLY LINES.....................................................304 DISASSEMBLY............................................................304 ASSEMBLY...............................................................305 TRANSMISSION HOUSING.......................................................307 DISASSEMBLY............................................................307 ASSEMBLY...............................................................313 CLUTCH PACK (A) AND GEAR SHAFT (D).........................................318 DISASSEMBLY............................................................318 CLUTCHES AND DISC INSPECTIONS..........................................327 ASSEMBLY...............................................................328 CHECKING CLUTCH FUNCTION...............................................337 SHAFT (B)..................................................................338 DISASSEMBLY............................................................338 CLUTCHES AND DISC INSPECTIONS..........................................345 ASSEMBLY...............................................................346 SHAFT (C)..................................................................353 DISASSEMBLY............................................................353 CLUTCHES AND DISC INSPECTIONS..........................................367 1st GEAR CLUTCHES......................................................368 3rd GEAR CLUTCHES......................................................368 4th GEAR CLUTCHES......................................................368 ASSEMBLY...............................................................369 SHAFT (E)..................................................................385 DISASSEMBLY............................................................385 CLUTCHES AND DISC INSPECTIONS..........................................390 ASSEMBLY...............................................................391 ENGINE.........................................................................398 REMOVAL....................................................................398 INSTALLATION...............................................................404 CONTROL VALVE..................................................................405 REMOVAL....................................................................405 INSTALLATION...............................................................407 STEERING SOLENOID VALVE........................................................408 REMOVAL....................................................................408 INSTALLATION...............................................................408 FRONT AXLE ASSEMBLY............................................................409 REMOVAL....................................................................409 INSTALLATION...............................................................410 FRONT AXLE OVERHAUL PROCEDURES.................................................411 STEERING CYLINDER ASSEMBLY.................................................411 DISASSEMBLY............................................................411 ASSEMBLY...............................................................412 FRONT AXLE END PLANETARY ASSEMBLY..........................................417 DISASSEMBLY............................................................417 ASSEMBLY...............................................................419 AXLE END HUB ASSEMBLY......................................................420 DISASSEMBLY............................................................420 ASSEMBLY...............................................................424 AXLE HOUSING...............................................................427 DISASSEMBLY............................................................427 ASSEMBLY...............................................................429 DIFFERENTIAL...............................................................430 DISASSEMBLY............................................................430 ASSEMBLY...............................................................432 PINION.....................................................................436 DISASSEMBLY............................................................436 ASSEMBLY...............................................................439 CARRIER....................................................................443 DISASSEMBLY............................................................443 ASSEMBLY...............................................................444 REAR AXLE ASSEMBLY.............................................................446 REMOVAL....................................................................446 INSTALLATION...............................................................448 REAR AXLE OVERHAUL PROCEDURES..................................................449 PARKING BRAKE ASSEMBLY.....................................................449 DISASSEMBLY............................................................449 ASSEMBLY...............................................................451 MAINTENANCE............................................................453 SERVICE BRAKE ASSEMBLY.....................................................456 DISASSEMBLY............................................................456 ASSEMBLY...............................................................461 REAR AXLE END PLANETARY ASSEMBLY...........................................467 DISASSEMBLY............................................................467 ASSEMBLY...............................................................472 DIFFERENTIAL...............................................................476 DISASSEMBLY............................................................476 ASSEMBLY...............................................................478 DIFFERENTIAL LOCK..........................................................483 DISASSEMBLY............................................................483 ASSEMBLY...............................................................486 CARRIER....................................................................489 DISASSEMBLY............................................................489 ASSEMBLY...............................................................493 PINION.....................................................................497 DISASSEMBLY............................................................497 ASSEMBLY...............................................................499 FRONT LOADER PPC VALVE.........................................................503 REMOVAL....................................................................503 INSTALLATION...............................................................504 FRONT-END LOADER ASSEMBLY......................................................505 LOADER BOOM CYLINDERS......................................................505 INSTALLATION...............................................................506 BUCKET CYLINDERS...........................................................507 REMOVAL................................................................507 INSTALLATION...........................................................508 FRONT LOADER BUCKET........................................................509 REMOVAL................................................................509 INSTALLATION...........................................................509 LOADER BOOM ASSEMBLY.......................................................510 REMOVAL................................................................510 INSTALLATION...........................................................511 BACKHOE PPC VALVE..............................................................512 REMOVAL....................................................................512 INSTALLATION...............................................................513 PPC VALVE SUPPORT RELEASE CABLES...............................................514 REMOVAL....................................................................514 INSTALLATION AND ADJUSTING.................................................516 PPC VALVE GAS STRUT............................................................517 REMOVAL....................................................................517 INSTALLATION...............................................................519 SOLENOID VALVE.................................................................520 REMOVAL....................................................................520 INSTALLATION...............................................................520 BACKHOE ASSEMBLY...............................................................521 BUCKET CYLINDER............................................................521 REMOVAL................................................................521 INSTALLATION...........................................................522 TELESCOPIC ARM CYLINDER....................................................523 REMOVAL................................................................523 INSTALLATION...........................................................523 ARM CYLINDER...............................................................524 REMOVAL................................................................524 INSTALLATION...........................................................525 BOOM CYLINDER..............................................................526 REMOVAL................................................................526 INSTALLATION...........................................................527 SWING CYLINDERS............................................................528 REMOVAL................................................................528 INSTALLATION...........................................................530 BOOM LOCK CYLINDER.........................................................531 REMOVAL................................................................531 INSTALLATION...........................................................532 BACKHOE BUCKET.............................................................532 REMOVAL................................................................532 INSTALLATION...........................................................532 BACKHOE ARM................................................................533 REMOVAL................................................................533 INSTALLATION...........................................................535 TELESCOPIC ARM.............................................................536 REMOVAL................................................................536 INSTALLATION...........................................................536 TELESCOPIC ARM GIBS........................................................537 REMOVAL................................................................537 INSTALLATION...........................................................537 BACKHOE BOOM...............................................................538 REMOVAL................................................................538 INSTALLATION...........................................................539 BACKHOE SWING FRAME........................................................540 REMOVAL................................................................540 INSTALLATION...........................................................540 OUTRIGGER CYLINDERS........................................................541 REMOVAL................................................................541 INSTALLATION...........................................................542 OUTRIGGER ARMS.............................................................543 REMOVAL................................................................543 INSTALLATION...........................................................543 WORK EQUIPMENT CYLINDER OVERHAUL...............................................544 LOADER AND BACKHOE CYLINDERS...............................................544 DISASSEMBLY............................................................544 ASSEMBLY...............................................................546 SWING CYLINDERS............................................................549 DISASSEMBLY............................................................549 ASSEMBLY...............................................................551 Section 90.pdf................................................................. 0 90 DIAGRAMS AND SCHEMATICS.................................................555 HYDRAULIC CIRCUIT......................................................557 1 OF 4.............................................................557 2 OF 4.............................................................558 3 OF 4.............................................................559 4 OF 4.............................................................560 ELECTRICAL SCHEMATICS..................................................561 RIGHT SIDE DASH (WIRING - 1 OF 8)..................................561 HARNESS AND SWITCHES (WIRING - 2 OF 8).............................562 RELAYS AND SWITCHES (WIRING - 3 OF 8)..............................563 HARNESS (WIRING - 4 OF 8)..........................................564 MOTORS AND CONTROLS (WIRING - 5 OF 8)..............................565 SOLENOIDS (WIRING - 6 OF 8)........................................566 OPTIONAL 4WS (WIRING - 7 OF 8).....................................567 LIST OF CONNECTORS (WIRING - 8 OF 8)...............................568
KOMATSU BACKHOE LOADER WB156PS-5 SHOP MANUAL – PDF DOWNLOAD:
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