Komatsu WA120-3, WA120L-3 Wheel Loader Shop Manual CEBM002002

Description

• Model List:
  • WA120-3 Wheel Loader
  • WA120L-3 Wheel Loader

• 1. MAIN MENU
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. FUEL, COOLANT, AND LUBRICANTS
• 3.5. ENGINE OIL SPECIFICATIONS
• 3.6. DIESEL FUEL SPECIFICATIONS
• 3.7. COOLANT SPECIFICATIONS
• 4. STRUCTURE AND FUNCTION
• 4.1. POWER TRAIN
• 4.2. POWER TRAIN SYSTEM
• 4.3. TORQUE CONVERTER, TRANSMISSION PIPING
• 4.4. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
• 4.5. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
• 4.6. TORQUE CONVERTER
• 4.7. TORQUE CONVERTER OIL FILTER
• 4.8. TRANSMISSION
• 4.9. TRANSMISSION CONTROL VALVE
• 4.10. TRANSMISSION CONTROL
• 4.11. DRIVE SHAFT
• 4.12. AXLE
• 4.13. FINAL DRIVE
• 4.14. AXLE MOUNT
• 4.15. CENTER HINGE PIN
• 4.16. STEERING PIPING
• 4.17. STEERING COLUMN
• 4.18. PRIORITY VALVE
• 4.19. STEERING VALVE (ORBITROLL)
• 4.20. BRAKE PIPING
• 4.21. BRAKE CONTROL
• 4.22. BRAKE BOOSTER
• 4.23. BRAKE
• 4.24. PARKING BRAKE CONTROL
• 4.25. PARKING BRAKE
• 4.26. HYDRAULIC PIPING
• 4.27. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
• 4.28. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 4.29. HYDRAULIC TANK
• 4.30. MAIN CONTROL VALVE
• 4.31. WORK EQUIPMENT LEVER LINKAGE
• 4.32. WORK EQUIPMENT LINKAGE
• 4.33. BUCKET
• 4.34. BUCKET POSITIONER AND BOOM KICKOUT
• 4.35. PROXIMITY SWITCH
• 4.36. ROPS CAB
• 4.37. AIR CONDITIONER
• 4.38. (ELECTRONIC CONTROLLED SUSPENSION SYSTEM)
• 4.39. ELECTRICAL WIRING ILLUSTRATION
• 4.40. ELECTRICAL WIRING DIAGRAM (1/3)
• 4.41. CENTRAL PANEL (CLUSTER GAUGE)
• 4.42. SENSOR
• 4.43. ENGINE STARTING CIRCUIT
• 4.44. ENGINE STOP CIRCUIT
• 4.45. AUTOMATIC PREHEATING CIRCUIT
• 4.46. ELECTRICAL TRANSMISSION CONTROL
• 4.47. COMBINATION SWITCH
• 4.48. TRANSMISSION CUTOFF FUNCTION
• 4.49. PARKING BRAKE FUNCTION
• 4.50. KICKDOWN SWITCH
• 5. TESTING, ADJUSTING AND TROUBLESHOOTING
• 5.1. TESTING AND ADJUSTING
• 5.2. STANDARD VALUE TABLE FOR ENGINE In Chassis
• 5.3. STANDARD VALUE TABLE FOR CHASSIS
• 5.4. TOOLS FOR TESTING, ADJUSTING TROUBLESHOOTING
• 5.5. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. STARTING MOTOR ASSEMBLY
• 6.5. ALTERNATOR ASSEMBLY
• 6.6. FUEL INJECTION PUMP
• 6.7. ENGINE OIL COOLER
• 6.8. EXHAUST MUFFLER
• 6.9. AIR CLEANER
• 6.10. TORQUE CONVERTER CHARGING PUMP
• 6.11. TORQUE CONVERTER, TRANSMISSION
• 6.12. TORQUE CONVERTER ASSEMBLY
• 6.13. TRANSMISSION CLUTCH PACK
• 6.14. ASSEMBLY OF CLUTCH PACK
• 6.15. TRANSMISSION CONTROL VALVE
• 6.16. TRANSMISSION SOLENOID VALVE
• 6.17. TRANSMISSION ACCUMULATOR VALVE
• 6.18. CENTER HINGE PIN
• 6.19. STEERING VALVE
• 6.20. STEERING CYLINDER
• 6.21. HYDRAULIC FILTER
• 6.22. HYDRAULIC STEERING PUMP
• 6.23. MAIN CONTROL VALVE
• 6.24. BUCKET CYLINDER
• 6.25. BOOM CYLINDER
• 6.26. HYDRAULIC CYLINDERS
• 6.27. INSTRUMENT PANEL
• 7. MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT, TRANSMISSION MOUNT
• 7.2. TORQUE CONVERTER CHARGING PUMP
• 7.3. TORQUE CONVERTER
• 7.4. TRANSMISSION
• 7.5. TRANSMISSION CONTROL VALVE
• 7.6. ACCUMULATOR VALVE
• 7.7. DRIVE SHAFT
• 7.8. DIFFERENTIAL
• 7.9. FINAL DRIVE
• 7.10. AXLE MOUNT
• 7.11. CENTER HINGE PIN
• 7.12. STEERING COLUMN
• 7.13. STEERING CYLINDER MOUNT
• 7.14. MAIN CONTROL VALVE
• 7.15. HYDRAULIC CYLINDER
• 7.16. WORK EQUIPMENT LINKAGE
• 7.17. BUCKET
• 7.18. BUCKET POSITIONER AND BOOM KICKOUT