Komatsu GD825A-2 Motor Grader Shop Manual SEBMW010712
Komatsu GD825A-2 Motor Grader Shop Manual SEBMW010712 - Image 2
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Komatsu GD825A-2 Motor Grader Shop Manual SEBMW010712 - Image 5

Komatsu GD825A-2 Motor Grader Shop Manual SEBMW010712

$50.00

  • Type Of Manual: Shop Manual
  • Manual ID: SEBMW010712
  • Format: PDF
  • Size: 68.9MB
  • Number of Pages: 742
Category:

Description

  • Model List:

    • GD825A-2 Motor Grader
  • 1. COVER
  • 2. GENERAL
  • 2.1. Specification dimension drawings
  • 2.2. Specifications
  • 2.3. Weight table
  • 2.4. Fuel, coolant and lubricants
  • 3. STRUCTURE AND FUNCTION
  • 3.1. General
  • 3.2. Power train diagram
  • 3.3. Joint
  • 3.4. HYDROSHIFT transmission and transfer Piping
  • 3.5. Hydraulic circuit for power train
  • 3.6. Hydraulic circuit diagram for power train
  • 3.7. Transmission filter relief valve
  • 3.8. PTO (Power Take Off)
  • 3.9. HYDROSHIFT transmission and transfer
  • 3.10. Transmission control valve
  • 3.11. Transmission control
  • 3.12. Inching control
  • 3.13. Drive shaft
  • 3.14. Final drive, differential lock and unlock piping
  • 3.15. Final drive
  • 3.16. Tandem drive
  • 3.17. Steering piping
  • 3.18. Steering circuit system
  • 3.19. Steering circuit diagram
  • 3.20. Steering valve
  • 3.21. Double relief valve
  • 3.22. Check valve
  • 3.23. Emergency steering system
  • 3.24. Front axle
  • 3.25. Wheel
  • 3.26. Air piping
  • 3.27. Air circuit diagram
  • 3.28. Alcohol injector
  • 3.29. Disc brake
  • 3.30. Parking brake
  • 3.31. Brake air piping
  • 3.32. Brake air circuit system
  • 3.33. Brake air circuit diagram
  • 3.34. Air drier
  • 3.35. Air governor
  • 3.36. Air tank
  • 3.37. Automatic drain valve
  • 3.38. Check valve
  • 3.39. Brake valve
  • 3.40. Parking brake system
  • 3.41. Parking brake solenoid valve
  • 3.42. Exhaust valve
  • 3.43. Spring cylinder
  • 3.44. Hydraulic control piping
  • 3.45. Hydraulic circuit system
  • 3.46. Hydraulic circuit diagram
  • 3.47. Closed center load sensing system (CLSS)
  • 3.48. Hydraulic pump
  • 3.49. Priority divider valve
  • 3.50. Surge pressure absorbing valve
  • 3.51. Hydraulic control valve
  • 3.52. Pressure compensating mechanism of hydraulic control valve
  • 3.53. Blade lift speed adjustment Mechanism
  • 3.54. Pilot check valve
  • 3.55. Pilot check valve (with safety valve)
  • 3.56. Circle rotation motor
  • 3.57. Blade accumulator system
  • 3.58. Blade float system
  • 3.59. Drawbar and lifter
  • 3.60. Blade
  • 3.61. Lifter bracket control piping
  • 3.62. Circle rotation gear
  • 3.63. Rear mount ripper
  • 3.64. Hydraulic control linkage
  • 3.65. Main frame
  • 3.66. Air conditioner
  • 3.67. Electrical wiring diagram
  • 3.68. Monitor panel, cluster gauge and pilot lamp
  • 3.69. Electrical circuit diagram
  • 3.70. Electrical vehicle monitoring system (EVMS)
  • 3.71. Transmission control system
  • 3.72. Sensors
  • 3.73. Engine starting circuit
  • 3.74. Engine stopping circuit
  • 4. TESTING AND ADJUSTING
  • 4.1. Standard value table for engine
  • 4.2. Standard value table for testing and adjusting, failure judgment of chassis
  • 4.3. Tool list for testing and adjusting
  • 4.4. Testing and adjusting valve clearance
  • 4.5. Measuring compression pressure
  • 4.6. Testing and adjusting fuel injection timing
  • 4.7. Measuring blowby pressure
  • 4.8. Measuring engine oil pressure
  • 4.9. Measuring exhaust gas color
  • 4.10. Measuring exhaust gas temperature
  • 4.11. Measuring intake air pressure (boost pressure)
  • 4.12. Testing and adjusting fan belt tension
  • 4.13. Testing and adjusting alternator belt tension
  • 4.14. Procedure for adjusting the engine stop motor cable
  • 4.15. Adjusting accelerator control
  • 4.16. Inching pedal travel and operating force
  • 4.17. Measuring transmission oil pressure
  • 4.18. Checking differential locking device oil pressure
  • 4.19. Steering system
  • 4.20. Checking tire runout
  • 4.21. Checking toein
  • 4.22. Installation of articulate center pins
  • 4.23. Checking wear of disc
  • 4.24. Checking work equipment control lever travel and operating force
  • 4.25. Checking work equipment hydraulic pressure
  • 4.26. Adjusting work equipment hydraulic pressure
  • 4.27. Measuring hydraulic drift
  • 4.28. Charging blade accumulator with gas
  • 4.29. Adjusting blade lift speed
  • 4.30. Bleeding air from hydraulic pump
  • 4.31. Adjusting slip load of circle rotation clutch
  • 4.32. Adjusting clearance of F and R switches
  • 4.33. Adjusting shift potentiometer
  • 4.34. Adjusting inching potentiometer
  • 4.35. Transmission controller
  • 4.36. Adjusting speedometer module of machine monitor
  • 4.37. PmCLINIC
  • 4.38. TROUBLESHOOTING
  • 4.38.1. Points to remember when troubleshooting
  • 4.38.2. Sequence of events in troubleshooting
  • 4.38.3. Points to remember when carrying out maintenance
  • 4.38.4. Checks before troubleshooting
  • 4.38.5. Electrical circuit system diagram
  • 4.38.6. Connector types and mounting locations
  • 4.38.7. Electrical wiring diagram
  • 4.38.8. Connection table for connector pin numbers
  • 4.38.9. Method of using troubleshooting charts
  • 4.38.10. TROUBLESHOOTING OF ENGINE (S MODE)
  • 4.38.11. TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM (M MODE)
  • 4.38.12. TROUBLESHOOTING CHART FOR ELECTRONIC (ENGINE, PARKING BRAKE, TRANSMISSION CONTROL) (E MODE)
  • 4.38.13. TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (ET MODE)
  • 4.38.14. TROUBLESHOOTING CHART FOR HYDRAULIC SYSTEM (H MODE)
  • 5. DISASSEMBLY AND ASSEMBLY
  • 5.1. COATING MATERIALS LIST
  • 5.2. SPECIAL TOOL LIST
  • 5.3. STARTING MOTOR
  • 5.3.1. Removal and Installation
  • 5.4. ALTERNATOR
  • 5.4.1. Removal and Installation
  • 5.5. NOZZLE HOLDER
  • 5.5.1. Removal and Installation
  • 5.6. FUEL INJECTION PUMP
  • 5.6.1. Removal and Installation
  • 5.7. WATER PUMP
  • 5.7.1. Removal and Installation
  • 5.8. ENGINE OIL COOLER CORE
  • 5.8.1. Removal and Installation
  • 5.9. TURBOCHARGER
  • 5.9.1. Removal and Installation
  • 5.10. AIR COMPRESSOR
  • 5.10.1. Removal and Installation
  • 5.11. CYLINDER HEAD
  • 5.11.1. Removal
  • 5.11.2. Installation
  • 5.12. ENGINE (INCL. TRANSMISSION)
  • 5.13. TRANSMISSION CONTROL VALVE
  • 5.13.1. Disassembly
  • 5.13.2. Assembly
  • 5.14. HYDROSHIFT TRANSMISSION PUMP
  • 5.14.1. Removal and Installation
  • 5.15. TANDEM AND FINAL DRIVE
  • 5.16. PARKING BRAKE CALIPER PADS
  • 5.16.1. Removal
  • 5.16.2. Installation
  • 5.17. AIR TANK
  • 5.17.1. Removal and Installation
  • 5.18. ALCHOL INJECTOR
  • 5.18.1. Filing and draining
  • 5.19. HYDRAULIC TANK
  • 5.19.1. Removal and Installation
  • 5.20. HYDRAULIC CONTROL VALVE
  • 5.20.1. Disassembly
  • 5.20.2. Assembly
  • 5.21. MAIN CONTROL VALVE
  • 5.21.1. Disassembly
  • 5.21.2. Assembly
  • 5.22. CIRCLE ROTATION MOTOR
  • 5.22.1. Disassembly
  • 5.22.2. Assembly
  • 5.23. DRAWBAR SHIFT CYLINDER, BLADE
  • 5.24. LIFT CYLINDER, LIFTER GUIDE
  • 5.24.1. Removal
  • 5.24.2. Installation
  • 5.25. ARTICULATE CYLINDER
  • 5.25.1. Removal and Installation
  • 5.26. REAR MOUNT RIPPER CYLINDER
  • 5.26.1. Removal and Installation
  • 5.27. HYDRAULIC CYLINDER
  • 5.27.1. Disassembly
  • 5.27.2. Assembly
  • 5.28. CIRCLE ROTATION GEAR AND HYDRAULIC OIL MOTOR
  • 5.28.1. Removal and installation
  • 5.29. CIRCLE AND DRAWBAR
  • 5.29.1. Removal and Installation
  • 5.29.2. Disassembly
  • 5.29.3. Assembly
  • 5.30. REAR MOUNT RIPPER
  • 5.30.1. Removal
  • 5.30.2. Installation
  • 5.31. METHOD FOR LIFTING UP ROPS CAB
  • 5.32. INSTALLATION OF ROPS
  • 5.33. ROPS CAB
  • 5.33.1. Removal
  • 5.33.2. installation
  • 5.34. ARTICULATE SECTION
  • 6. MAINTENANCE STANDARD
  • 6.1. HYDROSHIFT transmission and transfer
  • 6.2. Transmission pump
  • 6.3. Transmission control valve
  • 6.4. Transmission solenoid valve
  • 6.5. Final drive
  • 6.6. Differential lockup pump
  • 6.7. Tandem drive
  • 6.8. Front axle
  • 6.9. Steering cylinder
  • 6.10. Disc brake
  • 6.11. Parking brake
  • 6.12. Spring cylinder
  • 6.13. Hydraulic control valve
  • 6.14. Hydraulic cylinder
  • 6.15. Hydraulic pump
  • 6.16. Drawbar and lifter
  • 6.17. Blade
  • 6.18. Circle rotation gear
  • 6.19. Ripper
  • 6.20. Frame
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