








$25.00
Generation
5Language
EnglishModel of Truck
WA150-5Region
GermanyTruck Class
WA150Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA150-5.
This manual will assist you in diagnosing, repairing, and adjusting for your 4wd wheeled loader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.
Covered Models (Germany):
WA150-5 (SN: H50051-)
Format: PDF, 776 pages
Language: English
Table of Contents:
GENERAL
GENERAL ASSEMBLY DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND COOLANT
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
Engine mount and transfer mount
Damper
Cooling system
Power train
Power train system diagram
Drive shaft
HST hydraulic piping diagram
HST pump
High-pressure relief valve
Low-pressure relief valve
HST charge pump
Speed-related valve (DA valve)
High-pressure cut-off valve
HST motor
EP servo valve
HA servo valve
Forward-reverse shuttle valve
Transfer
Clutch solenoid valve
Axle
Differential
Limited-slip differential
Final drive
Axle mounting and center hinge pin
Steering piping
Steering column
Priority valve
Orbit-roll valve
Steering cylinder
Emergency steering piping
Emergency steering valve
Brake piping
Brake valve
Inching valve
Charge valve
Accumulator (for brake)
Slack adjuster
Brake
Parking brake control
Parking brake
Hydraulic piping
Work equipment lever linkage
Hydraulic tank
gear pump unit
Accumulator (for ppc circuit)
Lock valve
E.C.S.S. valve
Accumulator (for E.C.S.S.)
Hydraulic piping of coolingsystem
Cooling fan motor
Work equipment control valve
Work equipment PPC valve
Work equipment linkage
Bucket
Bucket positioner and boom kick-out
Work equipment cylinder
Air conditioner
Machine monitoring system
Machine monitor
List of items displayed onmonitor
Electrical system (HSTcontroller system)
HST controller
Engine start circuit
Engine stop circuit
Preheating circuit
Parking brake circuit
Electronically controlled suspension system
Sensors
TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
TESTING AND ADJUSTING
TROUBLESHOOTING
TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
TROUBLESHOOTING OF TRAVEL DAMPER SYSTEM (ECSS MODE)
TROUBLSHOOTING OF MONITOR SYSTEM (MON MODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)
TROUBLESHOOTING OF ENGINE (S MODE)
DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
PRECAUTIONS WHEN PERFORMING OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
REMOVAL AND INSTALLATION OF NOZZLE HOLDER
REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY
REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
REMOVAL AND INSTALLATION OF AIR AFTERCOOLER
REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
REMOVAL AND INSTALLATION OF COOLING FAN AND FAN MOTOR ASSEMBLY
REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
REMOVAL AND INSTALLATION OF TRANSFER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TRANSFER ASSEMBLY
REMOVAL AND INSTALLATION OF PARKING BRAKE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE ASSEMBLY
REMOVAL AND INSTALLATION OF FRONT AXEL ASSEMBLY
REMOVAL AND INSTALLATION OF REAR AXEL ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL ASSEMBLY
REMOVAL AND INSTALLATION OF HST PUMP AND 3-GEAR PUMP ASSEMBLY
REMOVAL AND INSTALLATION OF HST MOTOR 1 ASSEMBLY
REMOVAL AND INSTALLATION OF HST MOTOR 2 ASSEMBLY
REMOVAL AND INSTALLATION OF WORK EQUIPMENT CONTROL VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF TRAVEL DAMPER VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF HYDRAULIC TANK
REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
DISASSMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
REMOVAL AND INSTALLATION OF OPERATOR’S CAB ASSEMBLY
REMOVAL AND INSTALLATION OF OPERATOR’S CAB GLASS (STUCK GLASS)
REMOVAL AND INSTALLATION OF CENTER HINGE PIN
REMOVAL AND INSTALLATION OF COUNTERWEIGHT
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVAL AND INSTALLATION OF MONITOR PANEL
OTHERS
Hydraulic circuit diagram
Electrical circuit diagram 1/4 (1/4)
Electrical circuit diagram 1/4 (2/4)
Electrical circuit diagram 1/4 (3/4)
Electrical circuit diagram 1/4 (4/4)
Electrical circuit diagram 2/4
Electrical circuit diagram 3/4
Electrical circuit diagram 4/4
Electrical circuit diagram 1/4 (1/4)
Electrical circuit diagram 1/4 (2/4)
Electrical circuit diagram 1/4 (3/4)
Electrical circuit diagram 1/4 (4/4)
Electrical circuit diagram 2/4
Electrical circuit diagram 3/4
Electrical circuit diagram 4/4
This manual will assist you in diagnosing, repairing, and adjusting for your 4wd wheeled loader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.
Covered Models (Germany):
WA150-5 (SN: H50051-)
Format: PDF, 776 pages
Language: English
Table of Contents:
GENERAL
GENERAL ASSEMBLY DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND COOLANT
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
Engine mount and transfer mount
Damper
Cooling system
Power train
Power train system diagram
Drive shaft
HST hydraulic piping diagram
HST pump
High-pressure relief valve
Low-pressure relief valve
HST charge pump
Speed-related valve (DA valve)
High-pressure cut-off valve
HST motor
EP servo valve
HA servo valve
Forward-reverse shuttle valve
Transfer
Clutch solenoid valve
Axle
Differential
Limited-slip differential
Final drive
Axle mounting and center hinge pin
Steering piping
Steering column
Priority valve
Orbit-roll valve
Steering cylinder
Emergency steering piping
Emergency steering valve
Brake piping
Brake valve
Inching valve
Charge valve
Accumulator (for brake)
Slack adjuster
Brake
Parking brake control
Parking brake
Hydraulic piping
Work equipment lever linkage
Hydraulic tank
gear pump unit
Accumulator (for ppc circuit)
Lock valve
E.C.S.S. valve
Accumulator (for E.C.S.S.)
Hydraulic piping of coolingsystem
Cooling fan motor
Work equipment control valve
Work equipment PPC valve
Work equipment linkage
Bucket
Bucket positioner and boom kick-out
Work equipment cylinder
Air conditioner
Machine monitoring system
Machine monitor
List of items displayed onmonitor
Electrical system (HSTcontroller system)
HST controller
Engine start circuit
Engine stop circuit
Preheating circuit
Parking brake circuit
Electronically controlled suspension system
Sensors
TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
TESTING AND ADJUSTING
TROUBLESHOOTING
TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
TROUBLESHOOTING OF TRAVEL DAMPER SYSTEM (ECSS MODE)
TROUBLSHOOTING OF MONITOR SYSTEM (MON MODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)
TROUBLESHOOTING OF ENGINE (S MODE)
DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
PRECAUTIONS WHEN PERFORMING OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
REMOVAL AND INSTALLATION OF NOZZLE HOLDER
REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY
REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
REMOVAL AND INSTALLATION OF AIR AFTERCOOLER
REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
REMOVAL AND INSTALLATION OF COOLING FAN AND FAN MOTOR ASSEMBLY
REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
REMOVAL AND INSTALLATION OF TRANSFER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TRANSFER ASSEMBLY
REMOVAL AND INSTALLATION OF PARKING BRAKE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE ASSEMBLY
REMOVAL AND INSTALLATION OF FRONT AXEL ASSEMBLY
REMOVAL AND INSTALLATION OF REAR AXEL ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL ASSEMBLY
REMOVAL AND INSTALLATION OF HST PUMP AND 3-GEAR PUMP ASSEMBLY
REMOVAL AND INSTALLATION OF HST MOTOR 1 ASSEMBLY
REMOVAL AND INSTALLATION OF HST MOTOR 2 ASSEMBLY
REMOVAL AND INSTALLATION OF WORK EQUIPMENT CONTROL VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF TRAVEL DAMPER VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF HYDRAULIC TANK
REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
DISASSMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
REMOVAL AND INSTALLATION OF OPERATOR’S CAB ASSEMBLY
REMOVAL AND INSTALLATION OF OPERATOR’S CAB GLASS (STUCK GLASS)
REMOVAL AND INSTALLATION OF CENTER HINGE PIN
REMOVAL AND INSTALLATION OF COUNTERWEIGHT
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVAL AND INSTALLATION OF MONITOR PANEL
OTHERS
Hydraulic circuit diagram
Electrical circuit diagram 1/4 (1/4)
Electrical circuit diagram 1/4 (2/4)
Electrical circuit diagram 1/4 (3/4)
Electrical circuit diagram 1/4 (4/4)
Electrical circuit diagram 2/4
Electrical circuit diagram 3/4
Electrical circuit diagram 4/4
Electrical circuit diagram 1/4 (1/4)
Electrical circuit diagram 1/4 (2/4)
Electrical circuit diagram 1/4 (3/4)
Electrical circuit diagram 1/4 (4/4)
Electrical circuit diagram 2/4
Electrical circuit diagram 3/4
Electrical circuit diagram 4/4
General
Generation
5Language
EnglishModel of Truck
WA150-5Region
GermanyTruck Class
WA150Type of Document
Workshop ManualType of Truck
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