Komatsu WA400-1 Wheel Loader Shop Manual SEBM04240106

Description

• Model List:
  • WA400-1 Wheel Loader

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. GENERAL VIEW
• 3.2. GENERAL ASSEMBLY DRAWING
• 3.3. SPECIFICATIONS
• 3.4. ENGINE ASSEMBLY DRAWING
• 3.5. ENGINE SPECIFICATIONS
• 3.6. WEIGHT TABLE
• 3.7. TABLE OF OIL AND COOLANT QUANTITIES
• 3.8. LOCATION OF SERIAL NUMBERS
• 4. ENGINE
• 4.1. STRUCTURE AND FUNCTION
• 4.1.1. ENGINE MOUNT
• 4.1.2. RADIATOR
• 4.1.3. FUEL TANK AND PIPING
• 4.1.4. ENGINE CONTROL
• 4.2. TESTING AND ADJUSTING
• 4.2.1. STANDARD VALUE TABLE
• 4.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 4.2.3. ADJUSTING VALVE CLEARANCE
• 4.2.4. MEASURING COMPRESSION PRESSURE
• 4.2.5. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 4.2.6. MEASURING ENGINE OIL PRESSURE AND TEMPERATURE
• 4.2.7. MEASURING BLOWBY PRESSURE
• 4.2.8. TESTING AND ADJUSTING FAN BELT TENSION
• 4.2.9. MEASURING EXHAUST GAS COLOR
• 4.2.10. MEASURING ACCELERATOR PEDAL OPERATING FORCE AND OPERATING ANGLE
• 4.2.11. ADJUSTING FUEL CUT SOLENOID
• 4.3. DISASSEMBLY AND ASSEMBLY
• 4.3.1. STARTING MOTOR ASSEMBLY
• 4.3.2. ALTERNATOR ASSEMBLY
• 4.3.3. FUEL INJECTION PUMP ASSEMBLY
• 4.3.4. WATER PUMP ASSEMBLY
• 4.3.5. NOZZLE HOLDER ASSEMBLY
• 4.3.6. CYLINDER HEAD ASSEMBLY
• 4.3.7. TURBOCHARGER ASSEMBLY
• 4.3.8. COMPRESSOR ASSEMBLY
• 4.3.9. AFTERCOOLER
• 4.3.10. RADIATOR ASSEMBLY
• 4.3.11. OIL COOLER ASSEMBLY
• 4.3.12. ENGINE ASSEMBLY
• 4.3.13. FUEL TANK ASSEMBLY
• 5. POWER TRAIN
• 5.1. STRUCTURE AND FUNCTION
• 5.1.1. GENERAL
• 5.1.2. TORQUE CONVERTER AND TRANSMISSION PIPING
• 5.1.3. TORQUE CONVERTER CHARGING PUMP
• 5.1.4. TORQUE CONVERTER
• 5.1.5. TORQUE CONVERTER OIL FILTER
• 5.1.6. TORQUE CONVERTER OIL COOLER
• 5.1.7. TORQUE CONVERTER RELIEF VALVE
• 5.1.8. TRANSMISSION
• 5.1.9. TRANSMISSION CONTROL VALVE
• 5.1.10. TRANSMISSION PILOT FILTER
• 5.1.11. TRANSFER
• 5.1.12. DRIVE SHAFT
• 5.1.13. AXLE MOUNT
• 5.1.14. AXLE AND DIFFERETIAL
• 5.1.15. FINAL DRIVE
• 5.1.16. TIRE AND WHEEL
• 5.2. TESTING AND ADJUSTING
• 5.2.1. STANDARD VALUE TABLE
• 5.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 5.2.3. MEASURING ENGINE STALL SPEED
• 5.2.4. MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION
• 5.2.5. MEASURING SHIFT LEVER
• 5.2.6. METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL
• 5.2.7. TIRE AND WHEEL
• 5.2.8. TROUBLESHOOTING
• 5.3. DISASSEMBLY AND ASSEMBLY
• 5.3.1. TORQUE CONVERTER CHARGING PUMP
• 5.3.2. TORQUE CONVERTER,TRANSMISSION,TRANSFER ASSEMBLY
• 5.3.3. TORQUE CONVERTER ASSEMBLY
• 5.3.4. TRANSMISSION ASSEMBLY
• 5.3.5. TRANSFER ASSEMBLY
• 5.3.6. TRANSMISSION CONTROL VALVE
• 5.3.7. FRONT DIFFERENTIAL
• 5.3.8. REAR DIFFERENTIAL
• 5.4. MAINTENANCE STANDARD
• 5.4.1. TRANSMISSION AND ENGINE MOUNT
• 5.4.2. TORQUE CONVERTER CHARGING PUMP
• 5.4.3. TORQUE CONVERTER
• 5.4.4. TORQFLOW TRANSMISSION
• 6. STEERING SYSTEM
• 6.1. STRUCTURE AND FUNCTION
• 6.1.1. GENERAL
• 6.1.2. HYDRAULIC CIRCUIT FOR STEERING
• 6.1.3. STEERING CONTROL SYSTEM
• 6.1.4. TWOWAY RESTRICTOR VALVE
• 6.1.5. STEERING CYLINDER
• 6.1.6. STEERING COLUMN AND GEAR BOX
• 6.1.7. STEERING LINKAGE
• 6.1.8. CENTER HINGE PIN
• 6.1.9. EMERGENCY STEERING PUMP (IF EQUIPPED)
• 6.1.10. DIVERTER VALVE (IF EQUIPPED)
• 6.1.11. SECURITY VALVE (IF EQUIPPED)
• 6.2. TESTING AND ADJUSTING
• 6.2.1. STANDARD VALUE TABLE
• 6.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 6.2.3. MEASURING STEERING WHEEL PLAY
• 6.2.4. MEASURING OPERATING FORCE OF STEERING WHEEL
• 6.2.5. OPERATING TIME OF STEERING WHEEL
• 6.2.6. TESTING STEERING LINKAGE
• 6.2.7. ADJUSTING STEERING LINKAGE
• 6.2.8. STEERING OIL PRESSURE
• 6.2.9. TROUBLESHOOTING
• 6.3. DISASSEMBLY AND ASSEMBLY
• 6.3.1. STEERING CYLINDER
• 6.3.2. CENTER HINGE PIN
• 6.4. MAINTENANCE STANDARD
• 6.4.1. STEERING LINKAGE
• 6.4.2. STEERING COLUMN AND GEAR BOX
• 6.4.3. STEERING VALVE
• 6.4.4. STEERING CYLINDER MOUNT
• 6.4.5. STEERING CYLINDER
• 6.4.6. CENTER HINGE PIN
• 6.4.7. DIVERTER VALVE (IF EQUIPPED)
• 6.4.8. EMERGENCY STEERING PUMP (IF EQUIPPED)
• 6.4.9. SECURITY VALVE (IF EQUIPPED)
• 7. BRAKE AND AIR SYSTEM
• 7.1. STRUCTURE AND FUNCTION
• 7.1.1. PARKING BRAKE SOLENOID VALVE
• 7.1.2. SPRING CYLINDER
• 7.1.3. BRAKE CALIPER
• 7.2. TESTING AND ADJUSTING
• 7.2.1. STANDARD VALUE TABLE
• 7.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 7.2.3. MEASURING BRAKE PEDAL
• 7.2.4. MEASURING AIR
• 7.2.5. BRAKE PERFORMANCE
• 7.2.6. CHECKING BRAKE OIL PRESSURE
• 7.2.7. MEASURING WEAR OF BRAKE DISC
• 7.2.8. AIR BLEEDING FROM BRAKE LINE
• 7.2.9. PARKING BRAKE PERFORMANCE
• 7.2.10. CHECKING AND ADJUSTING PARKING BRAKE
• 7.2.11. TROUBLESHOOTING
• 7.3. DISASSEMBLY AND ASSEMBLY
• 7.3.1. SPRING CYLINDER
• 7.3.2. PARKING BRAKE
• 7.3.3. PARKING BRAKE PAD
• 7.4. MAINTENANCE STANDARD
• 7.4.1. SPRING CYLINDER
• 8. WORK EQUIPMENT SYSTEM
• 8.1. STRUCTURE AND FUNCTION
• 8.1.1. GENERAL
• 8.1.2. HYDRAULIC CIRCUIT SYSTEM
• 8.1.3. HYDRAULIC CIRCUIT DIAGRAM
• 8.1.4. BUCKET LINKAGE
• 8.1.5. BUCKET POSITIONER AND BOOM KICKOUT
• 8.1.6. HYDRAULIC TANK
• 8.1.7. HYDRAULIC AND STEERING PUMPS
• 8.1.8. MAIN CONTROL VALVE
• 8.1.9. HYDRAULIC CYLINDER
• 8.2. TESTING AND ADJUSTING
• 8.2.1. STANDARD VALUE TABLE
• 8.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 8.2.3. MEASURING DUMP AND LIFT CONTROL LEVERS
• 8.2.4. ADJUSTING DUMP AND LIFT CONTROL LEVERS
• 8.2.5. MEASURING HYDRAULIC PRESSURE
• 8.2.6. MEASURING LIFT ARM AND BUCKET
• 8.2.7. MEASURING HYDRAULIC DRIFT OF LIFT ARM AND BUCKET
• 8.2.8. ADJUSTING BUCKET POSITIONER
• 8.2.9. ADJUSTING BOOM KICKOUT
• 8.2.10. TROUBLESHOOTING
• 8.3. DISASSEMBLY AND ASSEMBLY
• 8.3.1. HYDRAULIC TANK
• 8.3.2. HYDRAULIC FILTER
• 8.3.3. HYDRAULIC, SWITCH AND STEERING PUMP
• 8.3.4. MAIN CONTROL VALVE
• 8.3.5. HYDRAULIC CYLINDER ASSEMBLY
• 8.4. MAINTENANCE STANDARD
• 8.4.1. MAIN CONTROL VALVE
• 8.4.2. DUMP CYLINDER
• 8.4.3. LIFT CYLINDER
• 8.4.4. BUCKET LINKAGE
• 8.4.5. BUCKET POSITIONER AND BOOM KICKOUT
• 8.4.6. BUCKET
• 8.4.7. HYDRAULIC AND STEERING PUMP
• 9. ELECTRIC AND ELECTRONIC SYSTEM
• 9.1. STRUCTURE AND FUNCTION
• 9.1.1. ELECTRIC AND ELECTRONIC SYSTEM
• 9.1.2. ELECTRICAL WIRING DIAGRAM
• 9.1.3. ENGINE STARTING CIRCUIT
• 9.1.4. ENGINE STOP CIRCUIT
• 9.1.5. PREHEATING CIRCUIT
• 9.1.6. COMBINATION SWITCH
• 9.1.7. ELECTRICAL TRANSMISSION CONTROL
• 9.1.8. ELECTRICAL PARKING BRAKE CONTROL
• 9.1.9. ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS)
• 9.2. TESTING AND ADJUSTING
• 9.2.1. ADJUSTING SPEEDOMETER MODULE IN THE VEHICLE MONITOR
• 9.2.2. TROUBLESHOOTING
• 9.3. DISASSEMBLY AND ASSEMBLY
• 9.3.1. MACHINE MONITOR
• 10. OTHERS
• 10.1. STRUCTURE AND FUNCTION
• 10.1.2. AIR CONDITIONER (IF EQUIPPED)
• 10.2. DISASSEMBLY AND ASSEMBLY
• 10.2.2. AIR CONDITIONER UNIT
• 10.2.3. CONDENSER FOR AIR CONDITIONER
• 10.2.4. DRY RECEIVER
• 10.2.5. COMPRESSOR FOR AIR CONDITIONER
• 10.3. GEAR PUMP
• 10.3.1. GENERAL
• 10.3.2. SA SERIES