Komatsu WA65-5, WA70-5, WA80-5 Wheel Loader Shop Manual VEBM250100

Description

• Model List:
  • WA65-5 Wheel Loader
  • WA70-5 Wheel Loader
  • WA80-5 Wheel Loader

• 0.1. Foreword
• 0.2. How to read the shop manual
• 0.3. Hoisting instructions
• 1. GENERAL
• 1.1. Dimensions, weights and operating data WA655
• 1.2. Specifications WA655
• 1.3. Weight table WA655
• 1.4. Dimensions, weights and operating data WA705
• 1.5. Specifications WA705
• 1.6. Weight table WA705
• 1.7. Dimensions, weights and operating data WA805
• 1.8. Specifications WA805
• 1.9. Weight table WA805
• 1.10. Lubricants and operating mediums WA655/ WA705
• 1.11. Lubricants and operating mediums WA805
• 1.12. Basic procedures of maintenance
• 1.13. Torque list screws and nuts
• 2. STRUCTURE AND FUNCTION
• 2.1. Powertrain
• 2.2. Closed circuit
• 2.3. Hydraulic drive system 20Km/h
• 2.4. Hydraulic drive system 30Km/h
• 2.5. Variable displacement pump
• 2.6. Variable displacement motor
• 2.7. Drive shaft
• 2.8. Axle mounting front axle
• 2.9. Axle mounting rear axle
• 2.10. WA655 / WA705 Front axle
• 2.11. WA805 Front axle
• 2.12. Rear axle with transfer box
• 2.13. Transfer box TB172
• 2.14. Limited slip differential (locking value 25)
• 2.15. Locking differential (locking value 100)
• 2.16. Wheel hub, front and rear axle
• 2.17. WA655 / WA705 Service and parking brake, front axle
• 2.18. WA805 Service brake, front axle
• 2.19. WA805 Parking brake, front axle
• 2.20. Sevice and parking brake circuit
• 2.21. WA655 / WA705 Service brake assembly
• 2.22. WA805 Service brake assembly
• 2.23. Inchbrake Valve
• 2.24. Steering articulation joint
• 2.25. Steering system
• 2.26. Work equipment hydraulic WA65/WA705
• 2.27. Work equipment hydraulic WA805
• 2.28. PPCValve
• 2.29. Main control valve
• 2.30. WA655 / WA705 Lift cylinder
• 2.31. WA805 Lift cylinder
• 2.32. Dump cylinder
• 2.33. Steering cylinder
• 2.34. Lifting frame with quickcoupler
• 2.35. Quickcoupler
• 2.36. Monitor display
• 2.37. Sensors
• 2.38. Ribbon heater
• 2.39. Engine stop / start / preheating circuit
• 2.40. Electrical fuses and relays
• 2.41. Electrical diagrams
• 2.42. Air conditioner (option)
• 3. TESTING AND ADJUSTING
• 3.1. Standard value table for engine WA655 / WA705 / WA805
• 3.2. Standard value table for chassis WA655
• 3.3. Standard value table for chassis WA705
• 3.4. Standard value table for chassis WA805
• 3.5. Standard value table for electrical parts
• 3.6. Test certificate WA655
• 3.7. Test certificate WA705
• 3.8. Test certificate WA805
• 3.9. Valve lash clearance
• 3.10. Engine compression test
• 3.11. Injection nozzle pressure
• 3.12. Fuel injection timing
• 3.13. Vbelt tension
• 3.14. Engine RPM
• 3.15. RPMdependant drive takeup
• 3.16. Engine stall torque RPM
• 3.17. Feed pump (and servo oil pressure for WA805)
• 3.18. Hydraulic pressure cutoff
• 3.19. Working hydraulic pressure
• 3.20. Steering oil pressure
• 3.21. Operating time for steering wheel
• 3.22. Operating force of steering wheel
• 3.23. Disc brake (foot brake WA805)
• 3.24. Brake (WA655 and WA705)
• 3.25. Inch valve basic adjustment
• 3.26. Brake efficiency
• 3.27. Parking brake efficiency
• 3.28. Travel speed
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. Comments
• 4.2. Starter assembly
• 4.3. Alternator assembly
• 4.4. Water pump assembly
• 4.5. Engine cover assembly
• 4.6. Engine cover support assembly
• 4.7. Engine assembly
• 4.8. Clutch assembly
• 4.9. Radiator assembly
• 4.10. Fan assembly
• 4.11. Inch brake valve assembly
• 4.12. Priority valve assembly
• 4.13. Orbitrollvalve assembly
• 4.14. Counterweight assembly
• 4.15. Control valve assembly (WA655 / WA705)
• 4.16. Main control valve assembly (WA805)
• 4.17. Pilot valve assembly (WA805)
• 4.18. Monitor assembly
• 4.19. Articulated joint assembly
• 4.20. Variable motor assembly
• 4.21. Rear axle assembly
• 4.22. Front axle assembly
• 4.23. Front axle
• 4.24. Brake caliper
• 4.25. Rear axle
• 4.26. Variable displacement pump assembly
• 4.27. Hydraulic pump assemblies
• 4.28. Quickattach coupler assembly
• 4.29. Steering cylinder assembly
• 4.30. Lift cylinder assembly
• 4.31. Dump cylinder assembly
• 4.32. Replacing windows in drivers cab
• 5. OTHERS
• 5.1. Hydraulic circuit diagram 1/4
• 5.2. Hydraulic circuit diagram 2/4
• 5.3. Hydraulic circuit diagram 3/4
• 5.4. Hydraulic circuit diagram 4/4
• 5.5. Wiring diagram1/5
• 5.6. Wiring diagram 2/5
• 5.7. Wiring diagram 3/5
• 5.8. Wiring diagram 4/5
• 5.9. Wiring diagram 5/5
• 5.10. Wiring diagram, Speed control
• 5.11. Wiring diagram, Immobilizer