Komatsu Backhoe Loader WB140PS-2N WB150PS-2N service & repair manual

Description Komatsu Backhoe Loader WB140PS-2N WB150PS-2N service & repair manual

Komatsu Backhoe Loader WB140PS-2N, WB150PS-2N pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
WB140PS-2N A40001 and up, A40034 and up
WB150PS-2N A70001 and up, A70010 and up

Technical documentation, specifications, maintenance procedures, troubleshooting guidance, electrical wiring diagrams, hydraulic schematics, instructions for adjustment, assembly, disassembly, removal and installation

MANUAL CONTENT:
FOREWORD
CONTENTS
SAFETY
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
QUICK DISCONNECT COUPLER
COATING MATERIALS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLES

GENERAL
SPECIFICATIONS
WEIGHT TABLE
FUEL COOLANT AND LUBRICANTS

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
ENGINE MOUNTING
POWER TRAIN
TRANSMISSION DIAGRAM
TRANSMISSION
FRONT AXLE
REAR AXLE
HYDRAULIC PUMP
STEERING UNIT
LOADER VALVE
BACKHOE CONTROL VALVE
CLSS
PPC JOYSTICK
SOLENOID VALVE
LOADER CYLINDERS
BACKHOE CYLINDERS
FRONT WORK EQUIPMENT
REAR WORK EQUIPMENT
AIR CONDITIONING

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLES FOR ENGINE
STANDARD VALUE TABLES FOR CHASSIS
SPECIAL TOOLS
ENGINE SPEED
VALVE CLEARANCE
COMPRESSION PRESSURE
FUEL INJECTION TIMING
FAN BELT
COMPRESSOR DRIVE BELT
ACCELERATOR PEDAL AND LEVER
BRAKE PEDAL TRAVEL
BLEEDING AIR
HYDRAULIC CIRCUIT
MAIN RELIEF VALVES
LOADER CIRCUIT RELIEF VALVES
BACKHOE CIRCUIT RELIEF VALVES
UNLOADING VALVE
LOAD SENSING (LS) VALVE
FLOW VALVE
PRIORITY VALVE
STEERING SYSTEM
BRAKE SYSTEM
ENGINE SPEED UNDER LOAD
POWER TRAIN GROUP
TRANSMISSION CLUTCHES
RETURN TO DIG DEVICE
HYDRAULIC DRIFT
AIR CONDITIONING UNIT
TROUBLESHOOTING GUIDE

DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS DURING OPERATION
SPECIAL TOOLS
STARTING MOTOR
ALTERNATOR
AIR CONDITIONING COMPRESSOR
INJECTION PUMP
INJECTION NOZZLES
THERMOSTAT
COOLING LIQUID PUMP
TURBOCHARGER
CYLINDER HEAD
ACCUMULATOR DISCONNECT SWITCH
FRONT COUNTERWEIGHT
RADIATOR OIL COOLER UNIT
CONDENSER
MUFFLER
EXHAUST PIPE
ENGINE HOOD
CAB
HEAT AND AIR CONDITIONING GROUP
FUEL TANK
HYDRAULIC OIL TANK
ENGINE-GEARBOX-PUMP GROUP
PISTON PUMP
TRANSMISSION
TRANSMISSION
CONVERTER
HEADLIGHT CONTROL GROUP
STEERING UNIT
WORKING BRAKE PUMP GROUP
FRONT WORK EQUIPMENT CONTROL VALVE
FRONT AXLE
FRONT AXLE
REAR AXLE
WORK EQUIPMENT
CYLINDERS
BOOM SWING CYLINDER
BOOM SAFETY CYLINDER
BACKHOE WORKING EQUIPMENT
BACKHOE BUCKET
BACKHOE ARM
TELESCOPIC ARM, COMPLETE
BACKHOE BOOM
BACKHOE SWING BRACKET
BACKHOE OUTRIGGERS

OTHERS
HYDRAULIC CIRCUIT
ELECTRICAL SCHEMATIC
AIR CONDITIONER CIRCUIT

Engine S4D106-1, S4D106-2 series workshop service repair manual