Komatsu D150A-1, D155A-1 Shop Manual SEBM0170A07R

Description

• Model List:
  • D150A-1
  • D155A-1

• 2. Contents
• 3. Safety
• 3.1. How to read the shop manual
• 3.2. Hoisting instructions
• 3.3. Standard tightening torque
• 4. General
• 4.1. Specifications
• 4.2. General assembly drawing
• 4.3. Engine specifications
• 4.4. Weight table
• 4.5. Position of serial numbers (Engine)
• 4.6. Position of serial numbers (body)
• 4.7. Table of oil and coolant
• 5. Engine structure and function
• 6. Engine Testing and adjusting
• 6.1. Tool list
• 6.2. Trouble shooting criteria
• 6.3. General instructions
• 6.4. Intake ans exhaust system
• 6.5. Engine body
• 6.6. Lubrication system
• 6.7. Fuel system
• 7. Engine disassembly and assembly
• 7.1. Dismounting turbocharger
• 7.2. mounting turbocharger
• 7.3. Dismounting engine oil cooler
• 7.4. Mounting engine oil cooler
• 7.5. torque convertor oil cooler
• 7.6. Nozzle holder
• 7.7. Fuel injection pump
• 8. Power traing Structure and functions
• 8.1. General
• 8.2. Main clutch
• 8.3. Inertia brake
• 8.4. Transmisssion D150A
• 8.5. Double mesh preventive device
• 8.6. Torque convertor
• 8.7. Transmission D155A
• 8.8. Torqflow
• 8.9. Transmission lubrication relief vanlve
• 8.10. Transmission control valve
• 8.11. Transmission pump
• 8.12. Bevel gear shaft and steering clutch
• 8.13. Steering and brake piping
• 8.14. steering hydraulic system
• 8.15. Brake hydraulic system
• 8.16. Steering brake and booster D150A AND D155A
• 8.16.1. Steering control valve
• 8.16.2. Steering and brake piping
• 8.16.3. Steering and brake hydraulic circuit
• 8.17. Steering brake and booster D155A 25001
• 8.18. Steering control valve d155a 25001
• 8.19. Steering pump
• 8.20. Final drive
• 9. power train testing and adjusting
• 9.1. Main clutch hydraulic control
• 9.2. Torqflow hydraulic control
• 9.3. Steering hydraulic control
• 9.4. Brake hydraulic control
• 9.5. Table of oil pressure measuring points
• 9.6. Procedure for measuring oil pressure and temperature
• 9.7. Procedure for measurment of lever and pedal travel
• 9.8. Adjustment procedure for strokes
• 9.9. Adjusting main clutch
• 9.10. Table of maintenance standerds
• 10. Power train disassembly and assembly
• 10.1. pto and flywheel
• 10.2. Main clutch
• 10.3. Transmission assembly
• 10.4. Torque convertor
• 10.5. Torque convertor relief valve
• 10.6. Torque converter regulator valve
• 10.7. Torqflow transmission D155 15001 25000
• 10.8. Torqflow transmission D155A Sn 25001
• 10.8.1. Mounting Torqflow transmission
• 10.8.2. Dismounting Transmission control valve
• 10.8.3. Mounting transmission control valve
• 10.8.4. Transmission lubrication valve
• 10.8.5. Steering clutch
• 10.9. Bevel gear and bevel gear shaft
• 10.10. Final drive
• 10.11. Steering control valve
• 10.12. Steering brake interlocking valve
• 10.13. Brake safety valve
• 10.14. Brake booster
• 10.15. Final drive
• 10.16. Torqflow pump
• 10.17. Steering pump
• 10.18. Torque converter oil cooler
• 11. Power Train Maintenance standard
• 11.1. Transmission
• 11.2. Bevel gear shaft and steering system
• 11.3. Final drive
• 12. Undercarriage Structure and function
• 12.1. Track
• 12.2. Track group
• 12.3. Recail spring
• 12.4. Idler
• 12.5. Track roller, carrier roller
• 12.6. Suspension
• 13. undercarriage Testing and adjusting
• 14. indercarriage Disassembly and assembly
• 15. Undercarriage maintenance standard
• 15.1. Undercarriage
• 16. Hydraulic system structure and function
• 16.1. Hydraulic control
• 16.2. Hydraulic tank
• 16.3. Hydraulic control valve
• 16.4. Ripper selector valve and pilot check valve
• 16.5. Pin puller valve
• 16.6. Pilot valve
• 16.7. Rotary servo valve
• 16.8. Servo valve hydralic control/valve
• 16.9. Safety valve
• 16.10. Cylinders
• 16.11. Piston valve
• 16.12. Hydraulic control
• 17. Hydraulic system testing and adjusting
• 17.1. General description
• 17.2. Hydraulic control
• 17.3. Pin puller control
• 17.4. Measurment of oil pressure and temperature
• 17.5. Measurment of operating force
• 17.6. Table of maintance standard
• 18. Hydraulic control sysyem Disassembly and assembly
• 18.1. Disassembly and assembly
• 18.2. Hydraulic pump
• 18.3. Hydraulic tank
• 18.4. Ripper blade control valve
• 18.5. Blade tilt control valve
• 18.6. Blade tilt servo valve
• 18.7. Ripper servo valve
• 18.8. Ripper pin puller valve
• 18.9. Ripper selector valve
• 18.10. Blade lift cylinder
• 18.11. Blade tilt cylinder
• 18.12. Ripper lift Tilt cylinder
• 18.13. Ripper pin puller cylinder
• 19. Hydraulic system Maintance standard
• 19.1. Torque specifications for nuts and bolts
• 19.2. Hydraulic control valve
• 19.3. Cylinders
• 20. Work equipment structure and function
• 20.1. Multi ripper
• 20.2. Giant ripper
• 21. Work equipment testing and adjustment
• 21.1. Straight tilt dozer
• 22. work equipment disassembly assembly
• 22.1. Blade
• 22.2. Ripper
• 23. Work equipment Maintenance standard
• 23.1. Torque specifications
• 23.2. Straight tilt dozer
• 23.3. Multi ripper
• 23.4. Giant ripper
• 24. Others Electrical system
• 24.1. Electical circuit diagram
• 24.2. Electical wiring diagram
• 24.3. Warning module
• 24.4. Automatic priming system