Komatsu WA250-3MC Avance Wheel Loader Shop Manual CEBM004602

Description

• Model List:
  • WA250-3MC Avance Wheel Loader

• 0.1. DIMENSIONAL DRAWING
• 0.2. GENERAL SPECIFICATIONS
• 0.3. WEIGHT TABLE
• 0.4. FUEL, COOLANT AND LUBRICANTS
• 1. STRUCTURE AND FUNCTION
• 1.1. POWER TRAIN
• 1.2. PATH OF POWER TRANSMISSION
• 1.3. TORQUE CONVERTER, TRANSMISSION PIPING
• 1.4. TORQUE CONVERTER
• 1.5. TRANSMISSION
• 1.6. TRANSMISSION CONTROL VALVE
• 1.7. FINAL DRIVE
• 1.8. CENTER HINGE PIN
• 1.9. STEERING PIPING
• 1.10. STEERING COLUMN
• 1.11. PRIORITY VALVE
• 1.12. STEERING VALVE (ORBITAL)
• 1.13. WAY RESTRICTOR VALVE
• 1.14. BRAKE
• 1.15. PARKING BRAKE
• 1.16. HYDRAULIC SYSTEM
• 1.17. WORK EQUIPMENT LEVER LINKAGE
• 1.18. HYDRAULIC TANK
• 1.19. PPC VALVE
• 1.20. MAIN CONTROL VALVE
• 1.21. WORK EQUIPMENT
• 1.22. ROPS CAB
• 1.23. AIR CONDITIONER PIPING
• 1.24. MACHINE MONITOR SYSTEM
• 1.25. TRANSMISSION AUTOSHIFT CONTROL SYSTEM
• 1.26. ECSS
• 1.27. SENSORS AND SWITCHES
• 1.28. ENGINE
• 1.29. ELECTRICAL TRANSMISSION CONTROL
• 1.30. ELECTRICAL WIRING DIAGRAM
• 2. TESTING, ADJUSTING AND TROUBLESHOOTING
• 2.1. STANDARD VALUE TABLE
• 2.2. SERVICE TOOLS TABLE
• 2.3. ENGINE
• 2.4. ACCELERATOR PEDAL
• 2.5. SHIFT LEVER
• 2.6. STALL SPEEDS
• 2.7. TORQUE CONVERTER
• 2.8. TRANSMISSION OIL PRESSURE
• 2.9. EMERGENCY MANUAL SPOOL
• 2.10. STEERING WHEEL
• 2.11. STEERING OIL PRESSURE
• 2.12. BRAKE
• 2.13. PARKING BRAKE
• 2.14. WORK EQUIPMENT
• 2.15. BUCKET POSITIONER
• 2.16. BOOM KICKOUT
• 2.17. MAIN MONITOR
• 2.18. FUEL LEVEL SENSOR
• 2.19. TROUBLESHOOTING GENERAL
• 2.20. TROUBLESHOOTING ELECTRICAL CONNECTORS
• 2.21. TROUBLESHOOTING SYSTEMS OF
• 3. DISASSEMBLY AND ASSEMBLY
• 3.1. METHOD OF USING MANUAL
• 3.2. PRECAUTIONS DURING OPERATION
• 3.3. SPECIAL TOOL LIST
• 3.4. ENGINE
• 3.5. COVERS, LADDER AND ENGINE HOOD
• 3.6. RADIATOR, HYDRAULIC COOLER
• 3.7. MUFFER AND AIR CLEANER
• 3.8. ENGINE
• 3.9. TORQUE COVERTER CHARGING PUMP
• 3.10. TORQUE COVERTER TRANSMISSION
• 3.11. TORQUE COVERTER
• 3.12. PARKING BRAKE
• 3.13. TRANSMISSION CONTROL VALVE
• 3.14. TRANSMISSION SOLENIOD VALVE
• 3.15. ACCUMULATOR VALVE
• 3.16. CENTER HINGE PIN
• 3.17. STEERING VALVE
• 3.18. PRIORITY VALVE
• 3.19. STEERING CYLINDER
• 3.20. POWER MASTER CYLINDER
• 3.21. PARKING BRAKE DISC
• 3.22. HYDRAULIC TANK
• 3.23. HYDRAULIC FILTER
• 3.24. WORK EQUIPMENT
• 3.25. MAIN CONTROL VALVE
• 3.26. HYDRAULIC LINES
• 3.27. PPC VALVE
• 3.28. CYLINDER
• 3.29. BOOM CYLINDER
• 3.30. HYDRAULIC CYLINDER
• 3.31. WORK EQUIPMENT
• 3.32. ECSS SYSTEM
• 3.33. AIR CONDITIONER
• 4. MAINTENANCE STANDARD
• 4.1. TRANSMISSION, ENGINE MOUNT
• 4.2. TORQUE CONVERTER CHARGING PUMP
• 4.3. TORQUE CONVERTER
• 4.4. TRANSMISSION
• 4.5. TRANSMISSION CONTROL VALVE
• 4.6. DRIVE SHAFTS
• 4.7. DIFFERENTIAL
• 4.8. FINAL DRIVE
• 4.9. AXLE MOUNT
• 4.10. CENTER HINGE PIN
• 4.11. STEERING COLUMN
• 4.12. PRIORITY VALVE
• 4.13. MASTER CYLINDER
• 4.14. BRAKE
• 4.15. PARKING BRAKE
• 4.16. HYDRAULIC PUMP
• 4.17. MAIN CONTROL VALVE
• 4.18. PPC VALVE
• 4.19. HYDRAULIC CYLINDER
• 4.20. STEERING CYLINDER MOUNT
• 4.21. WORK EQUIPMENT LINKAGE
• 4.22. BUCKET
• 4.23. BUCKET POSITIONER AND KICKOUT
• 5. OTHERS
• 5.1. ELECTRICAL WIRING DIAGRAM (1/6)
• 5.2. ELECTRICAL WIRING DIAGRAM (2/6)
• 5.3. ELECTRICAL WIRING DIAGRAM (3/6)
• 5.4. ELECTRICAL WIRING DIAGRAM (4/6)
• 5.5. ELECTRICAL WIRING DIAGRAM (5/6)
• 5.6. ELECTRICAL WIRING DIAGRAM (6/6)
• 5.7. TRANSMISSION CONTROL, PARKING BRAKE SYSTEM
• 5.8. MACHINE MONITOR SYSTEM (1 OF 2)
• 5.9. MACHINE MONITOR SYSTEM (2 OF 2)