Komatsu WA380-1LC Wheel Loader Shop Manual CEBMW23030

Description

• Model List:
  • WA380-1LC Wheel Loader

• 1. MAIN MENU
• 2. COVER
• 3. CONTENTS
• 4. SAFETY
• 4.1. GENERAL PRECAUTIONS
• 4.2. PREPARATIONS FOR WORK
• 4.3. PRECAUTIONS DURING WORK
• 5. FOREWORD
• 5.1. HOW TO READ THE SERVICE MANUAL
• 5.2. HOISTING INSTRUCTIONS
• 5.3. STANDARD TIGHTENING TORQUE
• 5.4. COATING MATERIAL
• 5.5. ELECTRIC WIRE CODE
• 5.6. WEIGHT TABLE
• 5.7. LUBRICANTS, FUEL AND COOLANT
• 6. ENGINE
• 6.1. TESTING AND ADJUSTING
• 6.1.1. STANDARD VALUE TABLE
• 6.1.2. TOOL LIST FOR TESTING AND ADJUSTING
• 6.1.3. VALVE CLEARANCE
• 6.1.4. FUEL INJECTION TIMING
• 6.1.5. ENGINE OIL PRESSURE AND TEMPERATURE
• 6.1.6. BLOWBY PRESSURE
• 6.1.7. EXHAUST GAS COLOR
• 6.1.8. ACCELERATOR PEDAL, OPERATING FORCE AND OPERATING ANGLE
• 6.2. DISASSEMBLY AND ASSEMBLY
• 6.2.1. FUEL INJECTION PUMP
• 6.3. STRUCTURE AND FUNCTION
• 6.3.1. GENERAL
• 6.3.2. TORQUE CONVERTER AND TRANSMISSION PIPING
• 6.3.3. TORQUE CONVERTER CHARGING PUMP
• 6.3.4. TORQUE CONVERTER
• 6.3.5. TORQUE CONVERTER OIL FILTER
• 6.3.6. TORQUE CONVERTER OIL COOLER
• 6.3.7. TORQUE CONVETER RELIEF VALVE
• 6.3.8. TRANSMISSION
• 6.3.9. TRANSMISSION CONTROL VALVE
• 6.3.10. TRANMISSION PILOT FILTER
• 6.3.11. TRANSFER
• 6.3.12. DRIVE SHAFT
• 6.3.13. AXLE MOUNT
• 6.3.14. AXLE AND DIFFERENTIAL
• 6.3.15. FINAL DRIVE
• 6.3.16. TIRE AND WHEEL
• 6.4. TESTING AND ADJUSTING
• 6.4.1. STANDARD VALUE TABLE
• 6.4.2. TOOL LIST FOR TESTING AND ADJUSTING
• 6.4.3. MEASURING ENGINE SPEED
• 6.4.4. MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION
• 6.4.5. MEASURING SHIFT LEVER
• 6.4.6. METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL
• 6.4.7. TIRE AND WHEEL
• 6.4.8. TROUBLESHOOTING
• 6.5. DISASSEMBLY AND ASSEMBLY
• 6.5.1. TORQUE CONVERTER CHARGING PUMP
• 6.5.2. TORQUE CONVERTER, TRANSMISSION, TRANSFER
• 6.5.3. TORQUE CONVERTER
• 6.5.4. TRANSMISSION
• 6.5.5. TRANSFER CONTROL VLAVE
• 6.5.6. TRANSMISSION CONTROL VALVE
• 6.5.7. FRONT DIFFERENTIAL
• 6.5.8. REAR DIFFERENTIAL
• 6.6. MAINTENANCE STANDARD
• 6.6.1. TRANSMISSION AND ENGINE MOUNT
• 6.6.2. TORQUE CONVERTER CHARGING PUMP
• 6.6.3. TORQUE CONVERTER
• 6.6.4. TORQFLOW TRANSMISSION
• 7. STEERING SYSTEM
• 7.1. STRUCTURE AND FUNCTION
• 7.1.1. HYDRAULIC PIPING
• 7.1.2. HYDRAULIC CIRCUIT DIAGRAM
• 7.1.3. STEERING CONTROL SYSTEM
• 7.1.4. STEERING CYLINDER
• 7.1.5. STEERING COLUMN AND ORBITROLL
• 7.1.6. CENTER HINGE PIN
• 7.2. TESTING AND ADJUSTING
• 7.2.1. STANDARD VALUE TABLE
• 7.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 7.2.3. MEASURING STEERING WHEEL PLAY
• 7.2.4. MEASURING OPERATING FORCE OF STEERING WHEEL
• 7.2.5. OPERATING TIME OF STEERING WHEEL LOCK TO LOCK
• 7.2.6. TESTING AND ADJUSTING STEERING CONTROL
• 7.2.7. MEASURING STEERING OIL PRESSURE
• 7.2.8. TROUBLESHOOTING
• 7.3. DISASSEMBLY AND ASSEMBLY
• 7.3.1. STEERING VALVE
• 7.3.2. STEERING DEMAND VALVE
• 7.3.3. STEERING CYLINDER
• 7.3.4. CENTER HINGE PIN
• 7.4. MAINTENANCE STANDARD
• 7.4.1. STEERING COLUMN AND ORBITROLL
• 7.4.2. STEERING VALVE
• 7.4.3. STEERING CYLINDER MOUNT
• 7.4.4. STEERING CYLINDER
• 7.4.5. CENTER HINGE PIN
• 8. BRAKE AND AIR SYSTEM
• 8.1. STRUCTURE AND FUNCTION
• 8.1.1. AIR PIPING
• 8.1.2. AIR CIRCUIT DIAGRAM
• 8.1.3. AIR TANK
• 8.1.4. SAFETY VALVE
• 8.1.5. BRAKE VALVE
• 8.1.6. PARKING BRAKE SOLENOID VALVE
• 8.1.7. SPRING CYLINDER
• 8.1.8. BRAKE CALIPER
• 8.2. TESTING AND ADJUSTING
• 8.2.1. STANDARD VALUE TABLE
• 8.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 8.2.3. MEASURING BRAKE PEDAL
• 8.2.4. MEASURING AIR
• 8.2.5. BRAKE PERFORMANCE
• 8.2.6. CHECKING BRAKE OIL PRESSURE
• 8.2.7. MEASURING WEAR OF BRAKE DISC
• 8.2.8. AIR BLEEDING FROM BRAKE LINE
• 8.2.9. PARKING BRAKE PERFORMANCE
• 8.2.10. CHECKING AND ADJUSTING PARKING BRAKE
• 8.2.11. TROUBLESHOOTING
• 8.3. DISASSEMBLY AND ASSEMBLY
• 8.3.1. SPRING CYLINDER
• 8.3.2. PARKING BRAKE
• 8.3.3. PARKING BRAKE PAD
• 8.4. MAINTENANCE STANDARD
• 8.4.1. SPRING CYLINDER
• 9. WORK EQUIPMENT SYSTEM
• 9.1. STRUCTURE AND FUNCTION
• 9.1.1. HYDRAULIC PIPING
• 9.1.2. HYDRAULIC CIRCUIT DIAGRAM
• 9.1.3. BUCKET LINKAGE
• 9.1.4. BUCKET POSITIONER AND BOOM KICKOUT
• 9.1.5. HYDRAULIC TANK
• 9.1.6. HYDRAULIC PUMP
• 9.1.7. MAIN CONTROL VALVE
• 9.1.8. HYDRAULIC CYLINDER
• 9.2. TESTING AND ADJUSTING
• 9.2.1. STANDARD VALUE TABLE
• 9.2.2. TOOL LIST FOR TESTING AND ADJUSTING
• 9.2.3. DUMP AND LIFT CONTROL LEVERS
• 9.2.4. HYDRAULIC PRESSURE
• 9.2.5. LIFT ARM AND BUCKET
• 9.2.6. HYDRAULIC DRIFT OF LIFT ARM AND BUCKET
• 9.2.7. BUCKET POSITIONER
• 9.2.8. BOOM KICKOUT
• 9.2.9. TROUBLESHOOTING
• 9.3. DISASSEMBLY AND ASSEMBLY
• 9.3.1. HYDRAULIC TANK
• 9.3.2. HYDRAULIC FILTER
• 9.3.3. STEERING PUMP
• 9.3.4. MAIN CONTROL VALVE
• 9.3.5. HYDRAULIC CYLINDER
• 9.4. MAINTENANCE STANDARD
• 9.4.1. MAIN CONTROL VALVE
• 9.4.2. DUMP CYLINDER
• 9.4.3. LIFT CYLINDER
• 9.4.4. BUCKET LINKAGE
• 9.4.5. BUCKET POSITIONER AND BOOM KICKOUT
• 9.4.6. BUCKET
• 9.4.7. HYDRAULIC PUMP
• 10. ELECTRIC AND ELECTRONIC SYSTEM
• 10.1. STRUCTURE AND FUNCTION
• 10.1.1. ELECTRICAL WIRING DIAGRAM
• 10.1.2. ELECTRICAL WIRING DIAGRAM CIRCUIT
• 10.1.3. ENGINE STARTING CIRCUIT
• 10.1.4. ENGINE STOP CIRCUIT
• 10.1.5. ELECTRICAL TRANSMISSION CONTROL
• 10.1.6. KICKDOWN SWITCH
• 10.1.7. KICKDOWN ELECTRIC SWITCH
• 10.1.8. ELECTRICAL PARKING BRAKE CONTROL
• 10.1.9. ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS)
• 10.1.10. BUCKET POSITIONER AND BOOM KICKOUT
• 10.2. TESTING AND ADJUSTING
• 10.2.1. STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
• 10.2.2. ADJUSTING SPEEDOMETER MODULE IN THE VEHICLE MONITOR
• 10.2.3. TROUBLESHOOTING
• 10.3. DISASSEMBLY AND ASSEMBLY
• 10.3.1. MACHINE MONITOR
• 11. OTHER
• 11.1. DISASSEMBLY AND ASSEMBLY
• 11.2. GEAR PUMP SA SERIES
• 11.2.1. GENERAL
• 11.2.2. SA SERIES
• 11.3. METRIC CONVERSIONS
• 12. FOLDOUTS
• 12.1. TRANSMISSION
• 12.2. AIR PIPING
• 12.3. AIR CIRCUIT DIAGRAM
• 12.4. HYDRULIC PIPING DIAGRAM
• 12.5. ELECTRICAL WIRING DIAGRAM, PG 1
• 12.6. ELECTRICAL WIRING DIAGRAM, PG 2
• 12.7. ELECTRICAL WIRING DIAGRAM, PG 3
• 12.8. ELECTRICAL WIRING DIAGRAM CIRCUIT
• 12.9. ELECTRICAL WIRING DIAGRAM CONNECTORS (CN)
• 12.10. ELECTRONIC VEHICLE MONITORING SYSTEM