Komatsu WA450-2 Wheel Loader Shop Manual CEBMW21020

Description

• Model List:
  • WA450-2 Wheel Loader

• 1. MAIN MENU
• 2. CONTENTS
• 3. ENGINE
• 3.1. TESTING AND ADJUSTING
• 3.1.1. STANDARD VALUE TABLE
• 3.1.2. TOOL LIST FOR TESTING AND ADJUSTING
• 3.1.3. ADJUSTING VALVE CLEARANCE
• 3.1.4. FUEL INJECTION TIMING
• 3.1.5. MEASURING BLOWBY PRESSURE
• 3.1.6. FAN BELT TENSION
• 3.1.7. MEASURING EXHAUST GAS COLOR
• 3.1.8. MEASURING ACCELERATOR PEDAL OPERATING FORCE AND OPERATING ANGLE
• 3.2. DISASSEMBLY AND ASSEMBLY
• 3.2.1. STARTING MOTOR ASSEMBLY
• 3.2.2. ALTERNATOR ASSEMBLY
• 3.2.3. WATER PUMP ASSEMBLY
• 3.2.4. TURBOCHARGER ASSEMBLY
• 3.2.5. CYLINDER HEAD ASSEMBLY
• 3.2.6. RADIATOR ASSEMBLY
• 3.3. MAINTENANCE STANDARD
• 3.3.1. ENGINE MOUNT
• 4. POWER TRAIN
• 4.1. STRUCTURE AND FUNCTION
• 4.1.1. GENERAL
• 4.1.2. DAMPER
• 4.1.3. TORQUE CONVERTER AND TRANSMISSION PIPING
• 4.1.4. TORQUE CONVERTER CHARGING PUMP
• 4.1.5. TORQUE CONVERTER
• 4.1.6. TORQUE CONVERTER OIL FILTER
• 4.1.7. TORQUE CONVERTER OIL COOLER
• 4.1.8. TORQUE CONVERTER RELIEF VALVE
• 4.1.9. TRANSMISSION
• 4.1.10. TRANSMISSION CONTROL VALVE
• 4.1.11. TRANSMISSION PILOT FILTER
• 4.1.12. TRANSFER
• 4.1.13. DRIVE SHAFT
• 4.1.14. AXLE MOUNT
• 4.1.15. AXLE AND DIFFERENTIAL
• 4.1.16. FINAL DRIVE
• 4.1.17. TIRE AND WHEEL
• 4.2. TESTING AND ADJUSTING
• 4.2.1. STANDARD VALUE TABLE
• 4.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 4.2.3. MEASURING ENGINE STALL SPEED
• 4.2.4. MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION
• 4.2.5. MEASURING SHIFT LEVER
• 4.2.6. METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL
• 4.2.7. TIRE AND WHEEL
• 4.2.8. TROUBLESHOOTING
• 4.2.9. TROUBLESHOOTING TABLE
• 4.3. DISASSEMBLY AND ASSEMBLY
• 4.3.1. TORQUE CONVERTER CHARGING PUMP
• 4.3.2. TORQUE CONVERTER AND TRANSMISSION
• 4.3.3. TORQUE CONVERTER ASSEMBLY
• 4.3.4. TRANSMISSION ASSEMBLY
• 4.3.5. TRANSFER ASSEMBLY
• 4.3.6. TRANSMISSION CONTROL VALVE
• 4.3.7. FRONT DIFFERENTIAL
• 4.3.8. REAR DIFFERENTIAL
• 4.4. MAINTENANCE STANDARD
• 4.4.1. TRANSMISSION MOUNT
• 4.4.2. TORQUE CONVERTER CHARGING PUMP
• 4.4.3. DAMPER
• 4.4.4. TORQUE CONVERTER
• 4.4.5. TORQFLOW TRANSMISSION
• 5. STEERING SYSTEM
• 5.1. STRUCTURE AND FUNCTION
• 5.1.1. STEERING PIPING
• 5.1.2. HYDRAULIC CIRCUIT DIAGRAM FOR STEERING
• 5.1.3. STEERING VALVE
• 5.1.4. STEERING PUMP
• 5.1.5. STEERING CYLINDER
• 5.1.6. STEERING COLUMN AND ORBITROLL
• 5.1.7. CENTER HINGE PIN
• 5.2. TESTING AND ADJUSTING
• 5.2.1. STANDARD VALUE TABLE
• 5.2.2. TOOL LIST
• 5.2.3. MEASURING STEERING WHEEL PLAY
• 5.2.4. MEASURING OPERATING FORCE OF STEERING WHEEL
• 5.2.5. OPERATING TIME OF STEERING WHEEL
• 5.2.6. STEERING OIL PRESSURE
• 5.2.7. TROUBLESHOOTING TABLES
• 5.3. DISASSEMBLY AND ASSEMBLY
• 5.3.1. STEERING DEMAND VALVE
• 5.3.2. STEERING PUMP
• 5.3.3. STEERING CYLINDER
• 5.3.4. CENTER HINGE PIN
• 5.4. MAINTENANCE STANDARD
• 5.4.1. STEERING COLUMN AND ORBITROLL
• 5.4.2. STEERING PUMP
• 5.4.3. STEERING VALVE
• 5.4.4. STEERING CYLINDER MOUNT
• 5.4.5. STEERING CYLINDER
• 5.4.6. CENTER HINGE PIN
• 6. BRAKE AND AIR SYSTEM
• 6.1. STRUCTURE AND FUNCTION
• 6.1.1. GENERAL
• 6.1.2. BRAKE AND AIR PIPING
• 6.1.3. BRAKE AND AIR CIRCUIT SYSTEM
• 6.1.4. AIR TANK
• 6.1.5. SAFETY VALVE
• 6.1.6. BRAKE VALVE
• 6.1.7. PARKING BRAKE SOLENOID VALVE
• 6.1.8. SPRING CYLINDER
• 6.1.9. BRAKE CALIPER
• 6.2. TESTING AND ADJUSTING
• 6.2.1. STANDARD VALUE TABLE
• 6.2.2. TOOL LIST
• 6.2.3. MEASURING BRAKE PEDAL
• 6.2.4. MEASURING AIR
• 6.2.5. BRAKE PERFORMANCE
• 6.2.6. CHECKING BRAKE OIL PRESSURE
• 6.2.7. MEASURING WEAR OF BRAKE DISC
• 6.2.8. AIR BLEEDING FROM BRAKE LINE
• 6.2.9. PARKING BRAKE PERFORMANCE
• 6.2.10. CHECKING AND ADJUSTING PARKING BRAKE
• 6.2.11. TROUBLESHOOTING
• 6.3. DISASSEMBLY AND ASSEMBLY
• 6.3.1. BRAKE ASSEMBLY
• 6.3.2. SPRING CYLINDER
• 6.3.3. PARKING BRAKE
• 6.3.4. PARKING BRAKE PAD
• 6.4. MAINTENANCE STANDARD
• 6.4.1. SPRING CYLINDER
• 7. WORK EQUIPMENT SYSTEM
• 7.1. STRUCTURE AND FUNCTION
• 7.1.1. GENERAL
• 7.1.2. HYDRAULIC PIPING
• 7.1.3. HYDRAULIC CIRCUIT DIAGRAM
• 7.1.4. HYDRAULIC TANK
• 7.1.5. HYDRAULIC PUMPS
• 7.1.6. PPC VALVE
• 7.1.7. MAIN CONTROL VALVE
• 7.1.8. ACCUMULATOR
• 7.1.9. HYDRAULIC CYLINDER
• 7.1.10. BUCKET LINKAGE
• 7.1.11. BUCKET POSITIONER AND BOOM KICKOUT
• 7.1.12. WORK EQUIPMENT LEVER LINKAGE
• 7.2. TESTING AND ADJUSTING
• 7.2.1. STANDARD VALUE TABLE
• 7.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 7.2.3. MEASURING DUMP AND LEFT CONTROL LEVERS
• 7.2.4. ADJUSTING DUMP AND LIFT CONTROL LEVERS
• 7.2.5. MEASURING HYDRAULIC PRESSURE OF WORK EQUIPMENT
• 7.2.6. MEASURING WORK EQUIPMENT
• 7.2.7. MEASURING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 7.2.8. ADJUSTING BUCKET POSITIONER
• 7.2.9. ADJUSTING BOOM KICKOUT
• 7.2.10. TROUBLESHOOTING
• 7.3. DISASSEMBLY AND ASSEMBLY
• 7.3.1. HYDRAULIC TANK
• 7.3.2. HYDRAULIC PUMP
• 7.3.3. HYDRAULIC FILTER
• 7.3.4. SWITCH, PPC PUMP
• 7.3.5. MAIN CONTROL VALVE
• 7.3.6. LIFT AND DUMP CYLINDERS
• 7.3.7. WORK EQUIPMENT
• 7.3.8. COUNTERWEIGHT
• 7.4. MAINTENANCE STANDARD
• 7.4.1. MAIN CONTROL VALVE
• 7.4.2. SWITCH AND PPC PUMP
• 7.4.3. BUCKET POSITIONER AND BOOM KICKOUT
• 7.4.4. BUCKET
• 8. ELECTRIC AND ELECTRONIC SYSTEM
• 8.1. STRUCTURE AND FUNCTION
• 8.1.1. ELECTRICAL WIRING DIAGRAM
• 8.1.2. ENGINE STARTING CIRCUIT
• 8.1.3. ENGINE STOP CIRCUIT
• 8.1.4. COMBINATION SWITCH
• 8.1.5. ELECTRICALTRANSMISSION CONTROL
• 8.1.6. ELECTRICAL PARKING BRAKE CONTROL
• 8.1.7. ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS)
• 8.2. TESTING AND ADJUSTING
• 8.2.1. STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
• 8.2.2. ADJUSTING MACHINE MONITOR (SPEEDOMETER MODULE)
• 8.2.3. TROUBLESHOOTING
• 8.2.4. TROUBLESHOOTING CHART FOR ELECTRIC SYSTEM
• 8.2.5. TROUBLESHOOTING TABLE (ELECTRONIC VEHICLE MONITORING SYSTEM)
• 8.2.6. TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM
• 8.3. DISASSEMBLY AND ASSEMBLY
• 8.3.1. REMOVAL OF MACHINE MONITOR
• 8.3.2. INSTALLATION OF MACHINE MONITOR
• 9. OTHERS
• 9.1. LOGGING SPECIFICATIONS
• 9.1.1. STRUCTURE AND FUNCTION
• 9.1.2. DISASSEMBLY AND ASSEMBLY
• 9.1.3. MAINTENANCE STANDARD
• 9.2. DISASSEMBLY AND ASSEMBLY
• 9.2.1. REMOVAL OF CAB
• 9.2.2. INSTALLATION OF CAB
• 9.3. GEAR PUMP
• 9.3.1. GENERAL
• 9.3.2. SA SERIES
• 9.4. METRIC CONVERSIONS