Komatsu WA30-5 (SN from 22005) 4WD Wheeled Loaders (Japan) Workshop Manual (SEBM016503)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA30-5.

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 (Japan):
   WA30-5 (SN: 22005-)

Format: PDF, 410 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
      RADIATOROIL COOLER
      DAMPER COUPLING
      HST PIPING
      HST HYDRAULIC SYSTEM DIAGRAM
      HST HYDRAULIC CIRCUIT DIAGRAM
      MAIN PISTON PUMP
      HIGH-PRESSURE RELIEF VALVE
      LOW-PRESSURE RELIEF VALVE
      WORK EQUIPMENTSTEERING PUMP, HST CHARGE PUMP
      CHARGE PUMP OIL FILTER
      SPEED RELATED VALVE (DA VALVE)
      PISTON MOTOR
      DIRECTIONAL SHUTTLE VALVE
      SERVO VALVE
      INCHING VALVE
      TRANSFER
      HST CONTROL
      DRIVE SHAFT
      AXLE
      DIFFERENTIAL
      FINAL DRIVE
      AXLE MOUNT
      TIREWHEEL
      CENTER HINGE PIN
      STEERING PIPING
      STEERING COLUMN
      PRIORITY VALVE
      STEERING VALVE (ORBIT-ROLL)
      BRAKE, PARKING BRAKE CONTROL
      BRAKE (ALSO USED AS PARKING BRAKE)
      WORK EQUIPMENT PIPING
      WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
      WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
      WORK EQUIPMENT LEVER LINKAGE
      HYDRAULIC TANK
      HYDRAULIC FILTER
      MAIN CONTROL VALVE
      WORK EQUIPMENT LINKAGE
      BUCKET
      BUCKET POSITIONER
      PROXIMITY SWITCH
      ROPS CANOPY
      CENTRAL PANEL (CLUSTER GAUGE)
      ENGINE START CIRCUIT
      ENGINE STOP CIRUIT
      PREHEATING CIRCUIT
      PARKING BRAKE CIRCUIT
   TESTING AND ADJUSTING
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS
      TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
      ADJUSTING VALVE CLEARANCE
      MEASURING COMPRESSION PRESSURE
      TESTING AND ADJUSTING FUEL INJECTION TIMING
      BLEEDING AIR FROM FUEL CIRCUIT
      TESTING AND ADJUSTING FAN BELT TENSION
      TESTING FOR ABNORMALITY IN FUEL LEVEL SENSOR
      MEASURING ACCELERATOR PEDAL
      MEASURING OPERATING EFFORT, TRAVEL OF DIRECTIONAL LEVER
      MEASURING STALL SPEED
      MEASURING HST OIL PRESSURE
      TESTING AND ADJUSTING STEERING WHEEL
      MEASURING OPERATING TIME FOR STEERING WHEEL
      MEASURING STEERING PRESSURE
      TESTING AND ADJUSTING BRAKE PEDAL
      MEASURING OPERATING EFFORT, TRAVEL OF BRAKE PEDAL
      MEASURING BRAKE PERFORMANCE
      MEASURING PARKING BRAKE PERFORMANCE
      MEASURING BRAKE DISC WEAR
      TESTING AND ADJUSTING INCHING VALVE LINKAGE
      MEASURING AND ADJUSTING WORK EQUIPMENT CONTROL LEVER
      MEASURING TRAVEL OF MAIN CONTROL VALVE SPOOL
      MEASURING WORK EQUIPMENT PRESSURE
      TESTING AND ADJUSTING BUCKET POSITIONER
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      HOW TO READ THIS MANUAL
      PRECAUTIONS WHEN CARRYING OUT OPERATION
      SPECIAL TOOLS LIST
      FUEL INJECTION PUMP
      ENGINE
      RADIATOR
      FUEL TANK
      MAIN PISTON PUMP
      PISTON MOTOR
      ENGINE AND TRANSFER
      TRANSFER
      DRIVE SHAFT
      FRONT AXLE
      REAR AXLE
      DIFFERENTIALS
      AXLE HOUSINGS
      CENTER HINGE PIN
      STEERING VALVE
      RELIEF VALVE HOUSING SIDE OF STEERING VALVE
      STEERING CYLINDER
      PARKING BRAKE
      HYDRAULIC TANK
      WORK EQUIPMENT VALVE
      DUMP CYLINDER
      LIFT CYLINDER
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      COUNTERWEIGHT
      INSTRUMENTS PANEL
   MAINTENANCE STANDARD
      TRANSMISSIONENGINE MOUNT
      WORK EQUIPMENTSTEERING PUMP, HST CHARGE PUMP
      TRANSFER
      HST INCHING VALVE
      DRIVE SHAFT
      DIFFERENTIAL (1/2)
      DIFFERENTIAL (2/2)
      FINAL DRIVE
      AXLE MOUNT
      STEERING COLUMN
      PRIORITY VALVE
      STEERING CYLINDER MOUNT
      BRAKE
      HYDRAULIC CYLINDER
      CENTER HINGE PIN
      WORK EQUIPMENT LINKAGE
      BUCKET POSITIONER
      BUCKET
   OTHERS
      ELECTRICAL CIRCUIT DIAGRAMSERIAL NO. 22005-26000
      ELECTRICAL CIRCUIT DIAGRAM (1/2)SERIAL NO. 26001 AND UP
      ELECTRICAL CIRCUIT DIAGRAM (2/2)SERIAL NO. 26001 AND UP
      BACKHOE