Komatsu WA320-5L (SN from A32001) 4WD Wheeled Loaders (Japan) Workshop Manual (CEBM012004)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA320-5L.

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):
   WA320-5L (SN: A32001-)

Format: PDF, 1033 pages
Language: English
Table of Contents:
   FOREWORD
      SAFETY
      GENERAL
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      PUSH-PULL TYPE COUPLER
      COATING MATERIALS
      STANDARD TIGHTENING TORQUE
      ELECTRIC WIRE CODE
      CONVERSION TABLES
   GENERAL
      GENERAL ASSEMBLY DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      LIST OF LUBRICANTS AND COOLANT
   STRUCTURE AND FUNCTION
      ENGINE AND DRIVE SYSTEM MOUNTING
      DRIVE DAMPER ASSEMBLY
      COOLING SYSTEM ASSEMBLY
      REVERSING FAN SYSTEM
      REVERSING FAN MANIFOLD
      PROPORTIONAL RELIEF VALVE
      POSITION, 4-WAY SPOOL VALVE
      FAN CONTROLLER
      POWER TRAIN
      POWER TRAIN SYSTEM
      FRONT AND REAR DRIVE LINES
      HST HYDRAULIC PIPING DIAGRAM
      HST PUMP
      PRESSURE RELIEF VALVES
      HST CHARGE PUMP
      SPEED RELATED VALVE (DA VALVE)
      HIGH-PRESSURE CUT-OFF VALVE
      HST MOTORS
      EP SERVO VALVE
      HA SERVO VALVE
      FORWARD-REVERSE SHUTTLE VALVE
      TRANSFER SYSTEM
      CLUTCH SOLENOID VALVE
      AXLES
      STANDARD DIFFERENTIALS
      LIMITED-SLIP DIFFERENTIAL
      FINAL DRIVE
      AXLE MOUNTING AND CENTER HINGE PIN
      STEERING PIPING
      STEERING COLUMN
      PRIORITY VALVE
      ORBIT-ROLL VALVE
      CUSHION VALVE
      CYLINDER LAY-OUT AND STEERING CYLINDER
      EMERGENCY STEERING PIPING
      EMERGENCY STEERING VALVE
      BRAKE PIPING
      BRAKE VALVE ASSEMBLY
      CHARGE VALVE ASSEMBLY
      ACCUMULATOR (BRAKE SYSTEM)
      SLACK ADJUSTER
      BRAKE
      PARKING BRAKE CONTROL
      HYDRAULIC PIPING
      WORK EQUIPMENT CONTROL LINKAGE
      HYDRAULIC TANK
      GEAR PUMP UNIT
      ACCUMULATOR (PPC CIRCUIT)
      LOCK VALVE
      TRAVEL DAMPER VALVE
      ACCUMULATOR (TRAVEL DAMPER)
      HYDRAULIC PIPING FOR COOLING SYSTEM
      COOLING FAN MOTOR
      WORK EQUIPMENT CONTROL VALVE
      WORK EQUIPMENT PPC VALVE
      ATTACHMENT PPC VALVE
      WORK EQUIPMENT LINKAGE
      BUCKET
      BUCKET POSITIONER AND BOOM KICK-OUT
      WORK EQUIPMENT CYLINDER
      AIR CONDITIONER SYSTEM
      MACHINE MONITORING SYSTEM
      MACHINE MONITOR (STANDARD)
      MACHINE MONITOR (OPTIONAL LOAD METER)
      ITEMS DISPLAYED ON MONITOR
      ELECTRICAL SYSTEM (HST CONTROLLER)
      HST CONTROLLER
      FORWARD-REVERSE SELECTOR SWITCH (IF EQUIPPED)
      ENGINE START CIRCUIT
      ENGINE STOP CIRCUIT
      AUTOMATIC PREHEAT SYSTEM CIRCUIT
      PARKING BRAKE CIRCUIT
      ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
      SENSORS
   TESTING, ADJUSTING AND TROUBLESHOOTING
      STANDARD VALUE TABLE
      SPECIAL TOOLS
      ENGINE COMPONENTS
      ACCELERATOR PEDAL
      ADJUSTING ENGINE STOP SOLENOID
      ADJUSTING ENGINE SPEED SENSOR
      REFRIGERENT COMPRESSOR BELT
      DIRECTIONAL LEVER
      HST OIL PRESSURE
      CLUTCH CONTROL PRESSURE
      STEERING WHEEL
      STEERING OIL PRESSURE
      HYDRAULIC FAN
      REVERSING FAN CONTROLLER, IF EQUIPPED
      MEASURING BRAKE PEDAL
      BRAKE PEDAL LINKAGE
      MEASURING BRAKE PERFORMANCE
      ACCUMULATOR CHARGE PRESSURE
      BRAKE OIL PRESSURE
      MEASURING WEAR OF BRAKE DISC
      BLEEDING AIR FROM BRAKE CIRCUIT
      PARKING BRAKE PERFORMANCE
      PARKING BRAKE LINKAGE
      WORK EQUIPMENT CONTROL LEVER
      WORK EQUIPMENT PRESSURE
      WORK EQUIPMENT PPC OIL PRESSURE
      RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
      BUCKET POSITIONER
      BOOM KICK-OUT
      PROXIMITY SWITCH ACTUATION DISPLAY LAMP
      PROCEDURE FOR CHECKING DIODE
      SPECIAL FUNCTIONS OF MACHINE MONITOR
      FLOW OF MODES AND FUNCTIONS
      REAL-TIME MONITORING ITEMS
      PM CLINIC INSPECTION CHART
      POINTS TO REMEMBER WHEN TROUBLESHOOTING
      SEQUENCE OF EVENTS IN TROUBLESHOOTING
      PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
      CHECKS BEFORE TROUBLESHOOTING
      TABLE FOR CONNECTOR PIN NUMBERS
      T-ADAPTER TABLE
      CONNECTOR TYPES AND MOUNTING LOCATIONS
      CONNECTOR LAYOUT DRAWING
      TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
      TROUBLESHOOTING OF HST MONITOR SYSTEM (HST MODE)
      TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
      TROUBLESHOOTING OF HYDRAULIC MECHANICAL SYSTEM (H MODE)
      TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
   DISASSEMBLY AND ASSEMBLY
      HOW TO USE THIS MANUAL
      PRECAUTIONS WHEN CARRYING OUT AN OPERATION
      SPECIAL TOOL LIST
      CONNECTOR REPAIR PROCEDURES
      ENGINE ASSEMBLY
      RADIATOR, AFTERCOOLER AND OIL COOLER
      COOLING FAN AND FAN MOTOR ASSEMBLY
      FUEL TANK ASSEMBLY
      TRANSFER ASSEMBLY
      PARKING BRAKE ASSEMBLY
      FRONT AXLE ASSEMBLY
      REAR AXLE ASSEMBLY
      FRONT AND REAR AXLE HOUSING
      DIFFERENTIAL CARRIER
      HST AND 4-GEAR PUMP ASSEMBLY
      HST MOTOR 1 ASSEMBLY
      HST MOTOR 2 ASSEMBLY
      WORK EQUIPMENT CONTROL VALVE
      TRAVEL DAMPER VALVE
      HYDRAULIC TANK
      WORK EQUIPMENT
      HST PUMP
      HST MOTOR
      HYDRAULIC CYLINDER
      OPERATOR`S CAB ASSEMBLY
      OPERATOR`S CAB GLASS
      CENTER HINGE PIN
      REAR COUNTERWEIGHT
      AIR CONDITIONER UNIT
      REFRIGERENT COMPRESSOR ASSEMBLY
      MONITOR PANEL
   OTHERS
      HYDRAULIC CIRCUIT DIAGRAM
      ELECTRICAL CIRCUIT DIAGRAM
      REVERSE FAN WIRING DIAGRAM