Komatsu WA250-3-L (SN from A70001) 4WD Wheeled Loaders (Japan) Workshop Manual (CEBM001301)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA250-3-L.

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):
   WA250-3-L (SN: A70001-)

Format: PDF, 653 pages
Language: English
Table of Contents:
   SAFETY
   FOREWARD
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      COATING MATERIALS
      STANDARD TORQUE REQUIREMENTS
      ELECTRIC WIRE CODE
      CONVERSION TABLES
   GENERAL
      SPECIFICATION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL, COOLANT AND LUBRICANTS
      ENGINE OIL SPECIFICATIONS
      DIESEL FUEL SPECIFICATIONS
      COOLANT SPECIFICATIONS
   STRUCTURE AND FUNCTION
      POWER TRAIN
      PATH OF POWER TRANSMISSION
      TORQUE CONVERTER, TRANSMISSION PIPING
      TORQUE CONVERTER, TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
      TORQUE CONVERTER, TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
      TORQUE CONVERTER
      TORQUE CONVERTER OIL FILTER
      TRANSMISSION
      TRANSMISSION CONTROL VALVE
      DRIVE SHAFT
      AXLE
      FINAL DRIVE
      AXLE MOUNT
      CENTER HINGE PIN
      STEERING PIPING
      STEERING COLUMN
      PRIORITY VALVE
      STEERING VALVE (ORBIT-ROLL)
      STEERING VALVE
      WAY RESTRICTOR VALVE
      BRAKE PIPING
      POWER MASTER CYLINDER
      BRAKE
      PARKING BRAKE CONTROL
      HYDRAULIC PIPING
      STEERING, HYDRAULIC PUMP HYDRAULIC SYSTEM DIAGRAM
      STEERING, HYDRAULIC PUMP HYDRAULIC CIRCUIT DIAGRAM
      WORK EQUIPMENT LEVER LINKAGE
      HYDRAULIC TANK
      MAIN CONTROL VALVE
      WORK EQUIPMENT LINKAGE
      BUCKET
      BUCKET POSITIONER AND BOOM KICK-OUT
      ROPS CAB
      AIR CONDITIONER PIPING
      AIR CONDITIONSER/HEATER WIRING DIAGRAM (EAGLE)
      MACHINE MONITOR SYSTEM
      MAIN MONITOR
      MAINTENANCE MONITOR DISPLAY FUNCTION
      SENSORS AND SWITCHES
      ELECTRICAL WIRING DIAGRAM (1/2)
      ELECTRICAL WIRING DIAGRAM (2/2)
      ENGINE STARTING CIRCUIT
      ENGINE STOP CIRCUIT
      AUTOMATIC PREHEATING CIRCUIT (Q.H.S. CIRCUIT)
      ELECTRICAL TRANSMISSION CONTROL
      COMBINATION SWITCH
      TRANSMISSION CUT-OFF FUNCTION
      PARKING BRAKE NEUTRALIZER RELAY FUNCTION
      KICK DOWN SWITCH
      KICK DOWN ELECTRIC CIRCUIT DIAGRAM
   TESTING AND ADJUSTING
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS
      STANDARD VALUE TABLE FOR ELECTRICAL PARTS
      SERVICE TOOLS FOR TESTING, ADJUSTING & TROUBLESHOOTING
      MEASURING ENGINE SPEEDS
      MEASURING ENGINE LUBRICATING OIL PRESSURE
      MEASURING FUEL FILTER INLET RESTRICTION
      MEASURING BLOW-BY PRESSURE
      MEASURING COMPRESSION PRESSURE
      MEASURING EXHAUST COLOR
      MEASURING COOLANT TEMPERATURE
      MEASURING AND ADJUSTING VALVE CLEARANCE
      MEASURING ACCELERATOR PEDAL
      MEASURING SHIFT LEVER
      MEASURING STALL SPEEDS
      MEASURING TORQUE CONVERTER, TRANSMISSION OIL PRESSURE
      METHOD OF OPERATING EMERGENCY MANUAL SPOOL
      TESTING AND ADJUSTING STEERING WHEEL
      MEASURING STEERING OIL PRESSURE
      MEASURING BRAKE PEDAL
      TESTING AND ADJUSTING BRAKE PEDAL LINKAGE
      MEASURING BRAKE PERFORMANCE
      MEASURING BRAKE OIL PRESSURE
      MEASURING WEAR OF BRAKE DISC
      BLEEDING AIR FROM BRAKE SYSTEM
      MEASURING PARKING BRAKE PERFORMANCE
      TESTING AND ADJUSTING PARKING BRAKE LINKAGE
      TESTING PARKING BRAKE PISTON STROKE
      MEASURING WEAR OF PARKING BRAKE DISC
      MEASURING AND ADJUSTING 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
      ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)
      CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR
      TROUBLESHOOTING
      TROUBLESHOOTING OF ENGINE SYSTEM TABLE OF CONTENTS (S MODE)
      TROUBLESHOOTING SYSTEMS OF HYD. AND MECHANICAL (T-MODE)
      TROUBLESHOOTING OF ELECTRICAL EQUIPMENT FOR ENGINE, TRANSMISSION (E-MODE)
      TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M-MODE)
      TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K-MODE)
      TROUBLESHOOTING EAGLE AIR CONDITIONER
   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
      ENGINE HOOD
      MUFFLER AND AIR CLEANER
      TORQUE CONVERTER CHARGING PUMP
      TORQUE CONVERTER, TRANSMISSION
      TORQUE CONVERTER
      TRANSMISSION
      TRANSMISSION CLUTCH PACK
      PARKING BRAKE ASSEMBLY
      TRANSMISSION CONTROL VALVE
      TRANSMISSION SOLENOID VALVE
      ACCUMULATOR VALVE
      DRIVE SHAFT
      FRONT AXLE
      REAR AXLE
      DIFFERENTIAL
      AXLE HOUSING
      CENTER HINGE PIN
      STEERING VALVE
      PRIORITY VALVE
      MAIN CONTROL VALVE
      STEERING CYLINDER
      POWER MASTER CYLINDER
      PARKING BRAKE DISC
      HYDRAULIC TANK
      HYDRAULIC FILTER
      WORK EQUIPMENT, STEERING PUMP
      BUCKET CYLINDER
      BOOM CYLINDER
      HYDRAULIC CYLINDER
      WORK EQUIPMENT
      COUNTERWEIGHT
      FUEL TANK
      CAB (ROPS)
      MAIN MONITOR
      MAINTENANCE MONITOR ASSEMBLY
   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
      MASTER CYLINDER
      BRAKE
      PARKING BRAKE
      HYDRAULIC PUMP
      MAIN CONTROL VALVE
      HYDRAULIC CYLINDER
      STEERING CYLINDER MOUNT
      WORK EQUIPMENT LINKAGE
      BUCKET
      BUCKET POSITIONER AND BOOM KICK-OUT