komatsu gd825a 2 motor grader shop manual sebm002309 1

komatsu gd825a 2 motor grader shop manual sebm002309 2

komatsu gd825a 2 motor grader shop manual sebm002309 3

komatsu gd825a 2 motor grader shop manual sebm002309 4

komatsu gd825a 2 motor grader shop manual sebm002309 5

Komatsu GD825A-2 Motor Grader Shop Manual SEBM002309

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM002309
Format: PDF
Size: 46.3MB
Number of Pages: 954

Category: Komatsu Shop Manual PDF

Model List:
- GD825A-2 Motor Grader

1. COVER
2. CONTENTS
3. Notice of revision
4. FORWORD
4.1. Safety notice
4.2. How to read the shop manual
4.3. Explanation of terms for maintenance standard
4.4. Handling of electric equipment and hydraulic component
4.5. Handling of connectors newly used for engines
4.6. How to read electric wire code
4.7. Precautions when carrying out operation
4.8. Method of disassembling and connecting pushpull type coupler
4.9. Standard tightening torque table
4.10. Conversion table
5. GENERAL
5.1. Specification dimension drawings
5.2. Specifications
5.3. Weight table
5.4. Fuel, coolant and lubricants
6. STRUCTURE AND FUNCTION
6.1. General
6.2. Power train diagram
6.3. Joint
6.4. HYDROSHIFT transmission and transfer piping
6.5. Hydraulic circuit for power train
6.6. Hydraulic circuit diagram for power train
6.7. PTO (Power Take Off)
6.8. HYDROSHIFT transmission and transfer
6.9. Transmission control valve
6.10. Transmission control
6.11. Inching control
6.12. Drive shaft
6.13. Final drive, differential lock and unlock piping
6.14. Final drive
6.15. Tandem drive
6.16. Steering piping
6.17. Steering circuit system
6.18. Steering circuit diagram
6.19. Steering valve
6.20. Double relief valve
6.21. Check valve
6.22. Emergency steering system
6.23. Front axle
6.24. Wheel
6.25. Disc brake
6.26. Parking brake
6.27. Brake air piping
6.28. Brake air circuit system
6.29. Brake air circuit diagram
6.30. Air drier
6.31. Air governor
6.32. Air tank
6.33. Safety valve
6.34. Automatic drain valve
6.35. Check valve
6.36. Brake valve
6.37. Parking brake system
6.38. Parking brake solenoid valve
6.39. Exhaust valve
6.40. Spring cylinder
6.41. Hydraulic control piping
6.42. Hydraulic circuit system
6.43. Hydraulic circuit diagram
6.44. Closed center load sensing system (CLSS)
6.45. Hydraulic pump
6.46. Priority flow divider valve
6.47. Surge pressure absorbing valve
6.48. Hydraulic control valve
6.49. Pressure compensating mechanism of hydraulic control valve
6.50. Blade lift speed adjustment mechanism
6.51. Pilot check valve
6.52. Pilot check valve (with safety valve)
6.53. Circle rotation motor
6.54. Blade accumulator system
6.55. Blade float system
6.56. Drawbar and lifter
6.57. Blade
6.58. Lifter bracket control piping
6.59. Circle rotation gear
6.60. Rear mount ripper
6.61. Hydraulic control linkage
6.62. Main Frame
6.63. Air conditioner
6.64. Electrical wiring diagram
6.65. Monitor panel, cluster gauge and pilot lamp
6.66. Electrical circuit diagram
6.67. Electrical vehicle monitoring system (EVMS)
6.68. Transmission control system
6.69. Sensors
6.70. Engine starting circuit
6.71. Engine stopping circuit
7. TESTING AND ADJUSTING
7.1. Standard value table for engine
7.2. Standard value table for chassis
7.3. Tool list for testing and adjusting
7.4. Testing and adjusting valve clearance
7.5. Measuring compression pressure
7.6. Testing and adjusting fuel injection timing
7.7. Measuring blowby pressure
7.8. Measuring engine oil pressure
7.9. Measuring exhaust gas color
7.10. Measuring exhaust gas temperature
7.11. Measuring intake air pressure (boost pressure)
7.12. Testing and adjusting belt tension
7.13. Procedure for adjusting the engine stop motor cable
7.14. Adjusting accelerator control
7.15. Inching pedal travel and operating force
7.16. HYDROSHIFT transmission
7.17. Checking differential locking device oil pressure
7.18. Steering system
7.19. Checking tire runout
7.20. Checking air pressure of tire
7.21. Checking toein
7.22. Installation of articulate center pins
7.23. Checking wear of brake disc
7.24. Checking parking brake
7.25. Checking work equipment control lever travel and operating force
7.26. Checking hydraulic oil temperature
7.27. Checking work equipment hydraulic pressure
7.28. Adjusting work equipment hydraulic pressure
7.29. Measuring hydraulic drift
7.30. Charging blade accumulator with gas
7.31. Adjusting blade lift speed
7.32. Bleeding air from hydraulic pump
7.33. Adjusting slip load of circle rotation clutch
7.34. Adjusting speedometer module of machine monitor
7.35. TROUBLESHOOTING
7.35.1. Points to remember when troubleshooting
7.35.2. Sequence of events in troubleshooting
7.35.3. Handling of electric equipment and hydraulic component
7.35.4. Checks before troubleshooting
7.35.5. Electrical circuit system diagram
7.35.6. Connector types and mounting locations
7.35.7. Electrical wiring diagram
7.35.8. Connection table for connector pin numbers
7.35.9. Tbranch box and Tbranch adapter table
7.35.10. Method of using troubleshooting charts
7.35.11. Details of troubleshooting and troubleshooting procedure
7.35.12. TROUBLESHOOTING OF ENGINE (S MODE)
7.35.13. TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM (M MODE)
7.35.14. TROUBLESHOOTING CHART FOR ELECTRONIC (ENGINE, PARKING BRAKE, TRANSMISSION CONTROL) (E MODE)
7.35.15. TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (ET MODE)
7.35.16. TROUBLESHOOTING CHART FOR HYDRAULIC SYSTEM (H MODE)
8. DISASSEMBLY AND ASSEMBLY
8.1. HOW TO READ THIS MANUAL
8.2. COATING MATERIAL LIST
8.3. SPECIAL TOOL LIST
8.4. STARTING MOTOR
8.4.1. Removal and Installation
8.5. ALTERNATOR
8.5.1. Removal and Installation
8.6. NOZZLE HOLDER
8.6.1. Removal and Installation
8.7. FUEL INJECTION PUMP
8.7.1. Removal and Installation
8.8. WATER PUMP
8.8.1. Removal and Installation
8.9. ENGINE OIL COOLER CORE
8.9.1. Removal and Installation
8.10. TURBOCHARGER
8.10.1. Removal and Installation
8.11. AIR COMPRESSOR
8.11.1. Removal and Installation
8.12. CYLINDER HEAD
8.12.1. Removal
8.12.2. Installation
8.13. ENGINE (INCL. TRANSMISSION)
8.14. TRANSMISSION CONTROL VALVE
8.14.1. Disassembly
8.14.2. Assembly
8.15. HYDROSHIFT TRANSMISSION PUMP
8.15.1. Removal and Installation
8.16. TANDEM AND FINAL DRIVE
8.16.1. Removal and Installation
8.17. HYDRAULIC TANK
8.17.1. Removal and Installation
8.18. HYDRAULIC CONTROL VALVE
8.18.1. Removal
8.18.2. Installation
8.19. MAIN CONTROL VALVE
8.19.1. Disassembly
8.19.2. Assembly
8.20. CIRCLE ROTATION MOTOR
8.20.1. Disassembly
8.20.2. Assembly
8.21. DRAWBAR SHIFT CYLINDER, BLADE LIFT CYLINDER, LIFTER GUIDE
8.21.1. Removal
8.21.2. Installation
8.22. ARTICULATE CYLINDER
8.22.1. Removal and Installation
8.23. REAR MOUNT RIPPER CYLINDER
8.23.1. Removal and Installation
8.24. HYDRAULIC CYLINDER
8.24.1. Serial No. 11001 12502
8.24.2. Serial No. 12503 and up
8.25. CIRCLE ROTATION GEAR AND HYDRAULIC OIL MOTOR
8.25.1. Removal and installation
8.26. CIRCLE AND DRAWBAR
8.26.1. Removal and Installation
8.26.2. Disassembly
8.26.3. Assembly
8.27. REAR MOUNT RIPPER
8.27.1. Removal
8.27.2. Installation
8.28. METHOD FOR LIFTING UP ROPS CAB
8.29. INSTALLATION OF ROPS
8.30. ROPS cab
8.30.1. Removal
8.30.2. Installation
8.31. DISCONNECTION AND CONNECTION OF ARTICULATE SECTION
8.31.1. Serial No. 11001 12502
8.31.2. Serial No. 12503 and up
9. MAINTENANCE STANDARD
9.1. HYDROSHIFT transmission and transfer
9.2. Transmission pump
9.3. Transmission control valve
9.4. Transmission solenoid valve
9.5. Final drive
9.6. Differential lockup pump
9.7. Tandem drive
9.8. Front axle
9.9. Steering cylinder
9.10. Disc brake
9.11. Parking brake
9.12. Spring cylinder
9.13. Hydraulic control valve
9.14. Hydraulic cylinder
9.15. Hydraulic pump
9.16. Drawbar and lifter
9.17. Blade
9.18. Circle rotation gear
9.19. Ripper
9.20. Frame

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