Komatsu WA65-6, WA70-6, WA80-6, WA90-6, WA100M-6 Wheel Loader Shop Manual VEBM550101

Description

• Model List:
  • WA65-6 Wheel Loader
  • WA70-6 Wheel Loader
  • WA80-6 Wheel Loader
  • WA90-6 Wheel Loader
  • WA100M-6 Wheel Loader

• 1. Contents
• 2. SAFETY
• 2.1. Safety notice
• 2.2. Foreword
• 2.3. How to read the shop manual
• 2.4. Hoisting instructions
• 3. GENERAL
• 3.1. Dimensions, weights and operating data
• 3.2. Specifications
• 3.3. Weight tables
• 3.4. Lubricants and operating mediums
• 3.5. Basic procedures of maintenance
• 3.6. Torque list Screws and nuts
• 4. STRUCTURE AND FUNCTION
• 4.1. Powertrain
• 4.2. Closed circuit
• 4.3. Hydraulic drive system
• 4.4. Variable displacement pump (HST pump)
• 4.5. Variable displacement motor (HST motor with HA Control)
• 4.6. HST motor with DA Control
• 4.7. Drive shaft
• 4.8. Front axle Mounting
• 4.9. Rear axle Mounting
• 4.10. Front axle
• 4.11. Rear axle with transfer box
• 4.12. Trasfer box TB172
• 4.13. Limited slip differential
• 4.14. Locking differential
• 4.15. Wheel hub Font axle and rear axle
• 4.16. Service and parking brake Front axle
• 4.17. Service and parking brake circuit
• 4.18. Service brake assembly
• 4.19. Mainbrake valve
• 4.20. Steering articulation joint
• 4.21. Steering system
• 4.22. Work equipment hydraulic
• 4.23. PPCValve WA906, WA100M6
• 4.24. Main control valve
• 4.25. Lift cylinder
• 4.26. Dump cylinder
• 4.27. Steering cylinder
• 4.28. Loader Linkage with quickcoupler
• 4.29. Quickcoupler
• 4.30. Monitor display
• 4.31. Sensors
• 4.32. Preheater
• 4.33. Engine stop / start / preheating circuit
• 4.34. Electrical fuses and relays
• 4.35. Diagrams
• 4.36. Air conditioner (option)
• 5. TESTING AND ADJUSTING
• 5.1. Standard value table for engine
• 5.2. Standard value table for chassis
• 5.3. Standard value table for electrical parts
• 5.4. Test certificate
• 5.5. Valve lash clearance
• 5.6. Engine compression test
• 5.7. Fuel system
• 5.8. Vbelt tension
• 5.9. Engine RPM
• 5.10. Testing travel speed
• 5.11. Engine stall torque RPM
• 5.12. Hydraulic pressure cutoff
• 5.13. Working hydraulic pressure
• 5.14. Steering oil pressure
• 5.15. Operating time for steering wheel
• 5.16. Operating force of steering wheel
• 5.17. Disc brake (foot brake)
• 5.18. Brake
• 5.19. Main brake valve basic adjustment
• 5.20. Brake efficiency
• 5.21. Parking brake efficiency
• 5.22. Bleeding/ filling up the brake circuit
• 5.23. Ventilation / filling up the brake circuit
• 5.24. Cabin adjustment
• 5.25. Proportional amplifier
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. Comments
• 6.2. Starter assembly
• 6.3. Alternator assembly
• 6.4. Radiator assembly
• 6.5. Fan assembly
• 6.6. Water pump assembly
• 6.7. Fuel tank assembly
• 6.8. Engine cover assembly
• 6.9. Engine cover support assembly
• 6.10. Engine assembly
• 6.11. Clutch assembly
• 6.12. Main brake valve assembly
• 6.13. Priority valve assembly
• 6.14. Orbitrollvalve assembly
• 6.15. Counterweight assembly
• 6.16. Main control valve assembly WA656, WA706, WA806
• 6.17. Main control valve assembly WA906, WA100M6
• 6.18. Pilot valve assambly WA906, WA100M6
• 6.19. Monitor assembly
• 6.20. Articulated joint assembly
• 6.21. Variable motor assembly
• 6.22. Rear axle assembly
• 6.23. Front axle assembly
• 6.24. Front axle
• 6.25. Brake caliper
• 6.26. Brake group wheel shaft
• 6.27. Rear axle
• 6.28. Epicyclic reduction gear group
• 6.29. Wheel hub
• 6.30. Wheel shaft WA656, WA706
• 6.31. Wheel shaft WA806, WA906, WA100M6
• 6.32. Differential support group
• 6.33. Differential locking group
• 6.34. Differential group (100 Differential Lock)
• 6.35. Differential group (LSD 25)
• 6.36. Pinion group
• 6.37. Transmission box
• 6.38. Variable displacement pump assembly
• 6.39. Hydraulic pump assemblies
• 6.40. Turbocharger assembly WA806, WA906, WA100M6
• 6.41. Quick coupler assembly
• 6.42. Steering cylinder assembly
• 6.43. Lift cylinder assembly
• 6.44. Dump cylinder assembly
• 6.45. Replacing windows in drivers cab
• 7. others
• 7.1. Hydraulic circuit diagram WA656, WA706
• 7.2. Hydraulic circuit diagram WA806
• 7.3. Hydraulic circuit diagram WA906, WA100M6
• 7.4. Wiring diagram 2/9 WA656, WA706, WA806, WA906, WA100M6
• 7.5. Wiring diagram 8/9 WA906, WA100M6
• 7.6. Wiring diagram 3/9 WA656, WA706, WA806, WA906, WA100M6
• 7.7. Wiring diagram 4/9 WA656, WA706, WA806, WA906, WA100M6
• 7.8. Wiring diagram 5/9 WA656, WA706, WA806, WA906, WA100M6
• 7.9. Wiring diagram 6/9 WA656, WA706, WA806, WA906, WA100M6
• 7.10. Wiring diagram 7/9 WA656, WA706, WA806, WA906, WA100M6
• 7.11. Wiring diagram 9/9 WA656, WA706, WA8066
• 7.12. Wiring diagram 1/9 WA906, WA100M6