Komatsu WB156PS-5 Backhoe Loader Service Manual
569 pages · Publication CEBM002201
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- Models
- WB156PS-5
- Serial coverage
- A73001 and up
- Manual type
- Service Manual
- Pages
- 569
- Publication
- CEBM002201
- Condition
- Brand new
What's inside
From the manual's own table of contents: 3 sections, 154 entries. See sample pages (PDF, 670 KB)
FOREWORD41 topics
- 12CONTENTS
- GENERAL
- STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
- TESTING, ADJUSTING AND TROUBLESHOOTING
- DISASSEMBLY AND ASSEMBLY
- OTHER
- MAIN CONTROL VALVE
- UNLOADING VALVE
- LS PRESSURE
- LS BYPASS PLUG
- PRESSURE COMPENSATION
- PRESSURE COMPENSATION VALVE
- PRIORITY VALVE
- PPC REDUCING VALVE
- STEERING UNIT
- TECHNICAL DATA
- OPERATION
- PPC VALVES
- STANDARD VALVE
- PPC VALVE (FLOAT + RETURN TO DIG)
- OUTRIGGER
- BACKHOE
- LEFT VALVE
- RIGHT VALVE
- SOLENOID VALVE
- HYDRAULIC CONTROLS WITHOUT MULTI-PURPOSE BUCKET
- HYDRAULIC CONTROLS WITH MULTI-PURPOSE BUCKET
- SAFETY VALVES
- BUCKET RAISE
- BUCKET DUMP
- BOOM
- LOADER CYLINDERS
- CHARACTERISTICS
- BUCKET
- MULTI-PURPOSE (MP) BUCKET
- BACKHOE CYLINDERS
- TELESCOPIC ARM CYLINDER
- SWING
- WORK EQUIPMENT
- LOADER
- AIR CONDITIONING
TESTING AND ADJUSTING30 topics
- PC VALVE
- ADJUSTMENT
- STEERING CONTROL SYSTEM
- CONTROL
- SETTING
- STEERING CYLINDER
- POWER TRAIN GROUP
- CONVERTER OIL PRESSURE
- CLUTCH ENGAGEMENT PRESSURE
- SUPPLY PRESSURE
- TRANSMISSION CLUTCH FUNCTION
- MACHINE PREPARATION
- HYDRAULIC DRIFT
- BOOM CIRCUIT
- BUCKET CIRCUIT
- ARM CIRCUIT
- OUTRIGGERS CIRCUIT - WITHOUT LOCK VALVES
- WORK TEMPERATURE
- UNIT CHECK
- EMPTYING THE AIR CONDITIONING UNIT
- TROUBLESHOOTING GUIDE
- FRONT AXLE
- REAR AXLE
- TRANSMISSION
- FUSES AND RELAYS
- FUSE AND RELAY PANEL LOCATION
- FUSE AND RELAY PANEL LAYOUT
- FUSES
- RELAYS
- HEATING AND AIR CONDITIONING FUSES AND RELAYS
DISASSEMBLY AND ASSEMBLY80 topics
- INSTALLATION
- AIR CONDITIONER COMPRESSOR BELT
- REMOVAL
- EXHAUST STACK
- OPERATOR’S SEAT
- CAB HEATING AND COOLING SYSTEM
- HEATER CORE
- BATTERY
- FUEL TANK
- STEERING AND FRONT DASH ASSEMBLY
- STEERING WHEEL
- FRONT DASH ASSEMBLY
- BRAKE SYSTEM
- BLEED AIR FROM BRAKING CIRCUIT
- HYDRAULIC OIL TANK
- HYDRAULIC PUMP
- BLEED AIR FROM CYLINDERS
- TRANSMISSION OVERHAUL PROCEDURES
- TORQUE CONVERTER
- PLUGS AND FILTERS
- DISASSEMBLY
- ASSEMBLY
- PUMP
- VALVE BODY
- HYDRAULIC SUPPLY LINES
- TRANSMISSION HOUSING
- CLUTCH PACK (A) AND GEAR SHAFT (D)
- CLUTCHES AND DISC INSPECTIONS
- CHECKING CLUTCH FUNCTION
- SHAFT (B)
- SHAFT (C)
- 1st GEAR CLUTCHES
- 3rd GEAR CLUTCHES
- 4th GEAR CLUTCHES
- SHAFT (E)
- ENGINE
- CONTROL VALVE
- STEERING SOLENOID VALVE
- FRONT AXLE ASSEMBLY
- FRONT AXLE OVERHAUL PROCEDURES
- STEERING CYLINDER ASSEMBLY
- FRONT AXLE END PLANETARY ASSEMBLY
- AXLE END HUB ASSEMBLY
- AXLE HOUSING
- DIFFERENTIAL
- PINION
- CARRIER
- REAR AXLE ASSEMBLY
- REAR AXLE OVERHAUL PROCEDURES
- PARKING BRAKE ASSEMBLY
- MAINTENANCE
- SERVICE BRAKE ASSEMBLY
- REAR AXLE END PLANETARY ASSEMBLY
- DIFFERENTIAL LOCK
- FRONT LOADER PPC VALVE
- FRONT-END LOADER ASSEMBLY
- LOADER BOOM CYLINDERS
- BUCKET CYLINDERS
- FRONT LOADER BUCKET
- LOADER BOOM ASSEMBLY
- BACKHOE PPC VALVE
- PPC VALVE SUPPORT RELEASE CABLES
- INSTALLATION AND ADJUSTING
- PPC VALVE GAS STRUT
- BACKHOE ASSEMBLY
- BUCKET CYLINDER
- ARM CYLINDER
- BOOM CYLINDER
- SWING CYLINDERS
- BOOM LOCK CYLINDER
- BACKHOE BUCKET
- BACKHOE ARM
- TELESCOPIC ARM
- TELESCOPIC ARM GIBS
- BACKHOE BOOM
- BACKHOE SWING FRAME
- OUTRIGGER CYLINDERS
- OUTRIGGER ARMS
- WORK EQUIPMENT CYLINDER OVERHAUL
- LOADER AND BACKHOE CYLINDERS
Inside this manual
Real pages from this service manual (569 pages). Open the sample pages (PDF, 669 KB)
- Specifications, page 33: GENERAL
- Troubleshooting, page 193: TESTING AND ADJUSTING
- Diagram, page 217: CONNECTOR REPAIR PROCEDURES
- Foldout diagram
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WB156PS-5 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 569 pages
Quantity one is the manual described above.
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Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).