Komatsu WA120-3 (SN from 53001) 4WD Wheeled Loaders (Europe) Workshop Manual (SEBM018300)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA120-3.

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 (Europe):
   WA120-3 (SN: 53001-)

Format: PDF, 533 pages
Language: English
Table of Contents:
   GENERAL
      GENERAL ASSEMBLY DRAWING
      SPECIFICATIONS
      WEIGHT TABLE
      LIST OF LUBRICANT AND WATER
   STRUCTURE AND FUNCTION
      POWER TRAIN
      POWER TRAIN SYSTEM
      TORQUE CONVERTER, TRANSMISSION PIPING
      TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
      TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
      TORQUE CONVERTER
      TRANSMISSION
      TRANSMISSION CONTROL VALVE
      TRANSMISSION CONTROL
      DRIVE SHAFT
      AXLE
      FINAL DRIVE
      AXLE MOUNT
      CENTER HINGE PIN
      STEERING PIPING
      STEERING COLUMN
      PRIORITY VALVE
      STEERING VALVE (ORBIT-ROLL)
      EMERGENCY STEERING PUMP
      SECURITY VALVE
      DIVERTER VALVE
      OPERATION OF EMERGENCY STEERING CIRCUIT
      BRAKE PIPING
      BRAKE CONTROL
      BRAKE BOOSTER
      BRAKE
      PARKING BRAKE CONTROL
      PARKING BRAKE
      HYDRAULIC PIPING
      WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
      WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
      HYDRAULIC TANK
      MAIN CONTROL VALVE
      WORK EQUIPMENT LEVEL LINKAGE
      WORK EQUIPMENT LINKAGE
      BUCKET
      BUCKET POSITIONER AND BOOM KICK-OUT
      PROXIMITY SWITCH
      CANOPY
      ROPS CAB
      AIR CONDITIONER
      TRAVEL DAMPER SYSTEM (OPTION)
      ELECTRICAL WIRING DIAGRAM
      CENTRAL PANEL
      ENGINE STARTING CIRCUIT
      ENGINE STOP CIRCUIT
      FUEL CUT-OFF SOLENOID
      AUTOMATIC PREHEATING CIRCUIT
      ELECTRICAL TRANSMISSION CONTROL
      COMBINATION SWITCH
      TRANSMISSION CUT-OFF FUNCTION
      PARKING BRAKE NEUTRALIZER RELAY FUNCTION
      KICK-DOWN SWITCH, HOLD SWITCH
      KICK-DOWN ELECTRICAL CIRCUIT
   TESTING AND ADJUSTING
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS
      TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
      ADJUSTING VALVE CLEARANCE
      TESTING AND ADJUSTING FUEL INJECTION TIMING
      MEASURING EXHAUST COLOR
      MEASURING BLOW-BY PRESSURE
      MEASURING ENGINE OIL PRESSURE
      MEASURING ENGINE SPEED
      ADJUSTING ENGINE STOP SOLENOID
      MEASURING ACCELERATOR PEDAL
      MEASURING OPERATING FORCE, TRAVEL OF SPEED LEVER
      MEASURING STALL SPEED
      MEASURING TORQUE CONVERTER, TRANSMISSION, OIL PRESSURE
      METHOD OF OPERATING EMERGENCY MANUAL SOLENOID VALVE
      TESTING AND ADJUSTING STEERING WHEEL
      MEASURING STEERING OIL PRESSURE
      MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
      TESTING AND ADJUSTING BRAKE PEDAL LINKAGE
      MEASURING BRAKE PERFORMANCE
      MEASURING BRAKE OIL PRESSURE
      TESTING FOR BRAKE DISC WEAR
      BLEEDING AIR FROM BRAKE SYSTEM
      MEASURING PARKING BRAKE PERFORMANCE
      TESTING AND ADJUSTING PARKING BRAKE LINKAGE
      TESTING PARKING BRAKE DISC WEAR
      MEASURING PARKING BRAKE DISC WEAR
      MEASURING WORK EQUIPMENT CONTROL LEVER
      MEASURING STROKE OF WORK EQUIPMENT VALVE SPOOL
      MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
      MEASURING WORK EQUIPMENT
      TESTING AND ADJUSTING BUCKET POSITIONER
      TESTING AND ADJUSTING BOOM KICK-OUT
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      METHOD OF USING MANUAL
      PRECAUTIONS WHEN CARRYING OUT OPERATION
      SPECIAL TOOL LIST
      STARTING MOTOR
      ALTERNATOR
      FUEL INJECTION PUMP
      ENGINE OIL COOLER
      WATER PUMP
      NOZZLE HOLDER
      THERMOSTAT
      TURBOCHARGER
      CYLINDER HEAD
      RADIATOR
      ENGINE
      TORQUE CONVERTER CHARGING PUMP
      TORQUE CONVERTER, TRANSMISSION
      TORQUE CONVERTER
      TRANSMISSION
      CLUTCH PACK
      TRANSMISSION CONTROL VALVE
      TRANSMISSION SOLENOID VALVE
      TRANSMISSION ACCUMULATOR VALVE
      DRIVE SHAFT
      FRONT AXLE
      REAR AXLE
      DIFFERENTIAL
      AXLE HOUSING
      CENTER HINGE PON
      PRIORITY VALVE
      STEERING VALVE
      STEERING CYLINDER
      BRAKE BOOSTER
      PARKING BRAKE
      HYDRAULIC TANK
      HYDRAULIC FILTER
      HYDRAULIC, STEERING PUMP
      MAIN CONTROL VALVE
      BUCKET CYLINDER
      BOOM CYLINDER
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      FUEL TANK
      COUNTERWEIGHT
      INSTRUMENT PANEL
      ENGINE HOOD
   MAINTENANCE STANDARD
      ENGINE MOUNT, TRANSMISSION MOUNT
      TORQUE CONVERTER CHARGING PUMP
      TORQUE CONVERTER
      TRANSMISSION
      TRANSMISSION CONTROL VALVE
      ACCUMULATOR VALVE
      DRIVE SHAFT
      DIFFERENTIAL
      FINAL DRIVE
      AXLE MOUNT
      CENTER HINGE PIN
      STEERING COLUMN
      PRIORITY VALVE
      STEERING CYLINDER MOUNT
      BRAKE BOOSTER
      BRAKE
      PARKING BRAKE
      HYDRAULIC AND STEERRING PUMP
      MAIN CONTROL VALVE
      HYDAULIC CYLINDER
      WORK EQUIPMENT LINKAGE
      BUCKET
      BUCKET POSITIONER AND BOOM KICK-OUT
   OTHERS
      ELECTRICAL CIRCUIT DIAGRAM (1/2)
      ELECTRICAL CIRCUIT DIAGRAM (2/2)
      AIR CONDITIONER ELECTRICAL CIRCUIT DIAGRAM