Komatsu GD305A-3 Motor Grader Shop Manual SEBM018000

Description

• Model List:
  • GD305A-3 Motor Grader

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DIMENSION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. FUEL,COOLANT AND LUBRICANTS
• 4. STRUCTURE AND FUNCTION
• 4.1. ACCELERATOR CONTROL LINKAGE
• 4.2. ACCELERATOR PEDAL
• 4.3. POWER TRAIN DIAGRAM
• 4.4. TRANSMISSION HYDRAULIC PIPING DRAWING
• 4.5. TRANSMISSION CONTROL
• 4.6. TRANSMISSION
• 4.7. TRANSMISSION CONTROL VALVE
• 4.8. FINAL DRIVE
• 4.9. TANDEM DRIVE
• 4.10. STEERING HYDRAULIC PIPING DRAWING
• 4.11. FLOW PRIORITY VALVE
• 4.12. STEERING VALVE(ORBIR ROLL TYPE)
• 4.13. FRONT AXLE
• 4.14. BRAKE HYDRAULIC PIPING DRAWING
• 4.15. WHEEL BRAKE
• 4.16. BRAKE VALVE
• 4.17. UNLOAD RELIEF VALVE
• 4.18. BRAKE OIL PRESSURE BOOSTER
• 4.19. ACCUMULATOR
• 4.20. PARKING BRAKE CONTROL
• 4.21. PARING BRAKE
• 4.22. WORK EQUIPMENT HYDRAULIC PIPING DRAWING
• 4.23. MAIN CONTROL VALVE
• 4.24. CLSS
• 4.25. PILOT CHECK VALVE
• 4.26. SLOW RETURN VALVE
• 4.27. CIRCLE ROTATION MOTOR
• 4.28. CIRCLE,DRAWBAR
• 4.29. BLADE
• 4.30. CIRCLE ROTATION GEAR
• 4.31. SCARIFIER
• 4.32. MAIN FRAME
• 4.33. AIR CONDITIONER
• 4.34. ELECTRIC WIRING DIAGRAM
• 4.35. ENGINE START,STOP DEVICE
• 4.36. AUTOMATIC SHIFT CONTROL SYSTEM
• 4.37. SPEED LIMIT SOLENOID CONTROL
• 4.38. MONITOR
• 4.39. SENSORS
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE
• 5.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 5.3. TOOLS FOR TESTING,ADJUSTING,AND TROUBLESHOOTING
• 5.4. ADJUSTING VALUE CLEARANCE
• 5.5. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 5.6. MEASURING EXHAUST COLOR
• 5.7. MEASURING COMPRESSION PRESSURE
• 5.8. MEASURING BLOWBY PRESSURE
• 5.9. MEASURING EXHAUST GAS TEMPERATURE
• 5.10. MEASURING ENGINE OIL PRESSURE
• 5.11. ADJUSTING ENGINE STOP SOLENOID
• 5.12. MEASURING ENGINE SPEED
• 5.13. MEASURING CLUTCH OIL PRESURE CIRCUIT
• 5.14. ADJUSTING ACCELERATOR LINKAGE
• 5.15. ADJUSTING SPEED LIMIT CONTROL
• 5.16. TESTING WHEEL BRAKE
• 5.17. ADJUSTING WHEEL BRAKE
• 5.18. BLEEDING AIR FROM BRAKE PIPING
• 5.19. TESTING AND ADJUSTING PARING BRAKE
• 5.20. TESTING WORK EQUIPMENT HYDRAULIC PRESSURE
• 5.21. ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
• 5.22. MEASURING INTERNAL LEAKAGE OF CYLINDER
• 5.23. PRIMING OIL
• 5.24. TESTING CIRCLE GUIDE CLEARANCE
• 5.25. ADJUSTING CLEARANCE OF CIRCLE GUIDE
• 5.26. ADJUSTING MOUNTING POSITION OF IDLE SWITCH
• 5.27. TROUBLESHOOTING
• 5.27.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.27.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 5.27.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 5.27.4. CHECKS BEFORE TROUBLESHOOTING
• 5.27.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 5.27.6. CONNECTOR PIN ARRANGEMENT DIAGRAM
• 5.27.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.27.8. TROUBLESHOOTING OF ELECTRICAL SYSTEM(E MODE)
• 5.27.9. TROUBLESHOOTING OF ENGINE(S MODE)
• 5.27.10. TROUBLESHOOTING OF TRANSMISSION CONTROL SYSTEM (A MODE)
• 5.27.11. TROUBLESHOOTING OF WORK EQUIPMENT HYDRAULIC SYSTEM (H MODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. STARTING MOTOR
• 6.4.1. REMOVAL AND INSTALLATION
• 6.5. ALTERNATOR
• 6.5.1. REMOVAL AND INSTALLATION
• 6.6. ENGINE OIL COOLER CORE
• 6.6.1. REMOVAL AND INSTALLATION
• 6.7. FUEL INJECTION PUMP
• 6.7.1. REMOVAL
• 6.7.2. INSTALLATION
• 6.8. WATER PUMP
• 6.8.1. REMOVAL AND INSTALLATION
• 6.9. TURBOCHARGER
• 6.9.1. REMOVAL AND INSTALLATION
• 6.10. NOZZLE HOLDER
• 6.10.1. REMOVAL
• 6.10.2. INSTALLATION
• 6.11. THERMOSTAT
• 6.11.1. REMOVAL AND INSTALLATION
• 6.12. CYLINDER HEAD
• 6.12.1. REMOVAL
• 6.12.2. INSTALLATION
• 6.13. RADIATOR
• 6.13.1. REMOVAL AND INSTALLATION
• 6.14. FUEL TANK
• 6.14.1. REMOVAL AND INSTALLATION
• 6.15. ENGINE
• 6.15.1. REMOVAL
• 6.15.2. INSTALLATION
• 6.16. TRANSMISSION
• 6.16.1. REMOVAL AND INSTALLATION
• 6.17. DRIVE CHAIN
• 6.17.1. REMOVAL
• 6.17.2. INSTALLATION
• 6.18. TANDEM AND FINAL DRIVE
• 6.18.1. REMOVAL
• 6.18.2. INSTALLATION
• 6.18.3. DISASSEMBLY
• 6.18.4. ASSEMBLY
• 6.19. FINAL DRIVE SIDE CASE
• 6.19.1. DISASSEMBLY
• 6.19.2. ASSEMBLY
• 6.20. FINAL DRIVE PINION
• 6.20.1. DISASSEMBLY
• 6.20.2. ASSEMBLY
• 6.21. FRONT WHEEL
• 6.21.1. REMOVAL AND INSTALLATION
• 6.22. REAR WHEEL
• 6.22.1. REMOVAL AND INSTALLATION
• 6.23. FRONT AXLE
• 6.23.1. REMOVAL AND INSTALLATION
• 6.23.2. DISASSEMBLY
• 6.23.3. ASSEMBLY
• 6.24. STEERING CONTROL VALVE
• 6.24.1. DISASSEMBLY
• 6.24.2. ASSEMBLY
• 6.25. WHEEL BRAKE
• 6.25.1. REMOVAL AND INSTALLATION
• 6.26. CIRCLE ROTATION MOTOR
• 6.26.1. DISASSEMBLY
• 6.26.2. ASSEMBLY
• 6.27. CIRCLE ROTATION AND HYDRAULIC MOTOR
• 6.27.1. REMOVAL
• 6.27.2. INSTALLATION
• 6.28. CIRCLE ROTATION GEAR
• 6.28.1. REMOVAL AND INSTALLATION
• 6.29. ENGINE HOOD
• 6.29.1. REMOVAL AND INSTALLATION
• 6.29.2. ADJUSTMENT
• 6.30. FRONT WEIGHT
• 6.30.1. REMOVAL AND INSTALLATION
• 6.31. REAR WEIGHT
• 6.31.1. REMOVAL AND INSTALLATION
• 6.32.1. REMOVAL
• 6.32.2. INSTALLATION
• 7. MAINTENANCE STANDARD
• 7.1. TRANSMISSION
• 7.2. TRANSMISSION CONTROL VALVE
• 7.3. BRAKE OIL PRESSURE BOOSTER
• 7.4. PARKING BRAKE
• 7.5. HYDRAULIC PUMP
• 7.6. MAIN CONTROL VALVE
• 7.7. HYDRAULIC CYLINDER
• 7.8. CIRCLE,DRAWBAR
• 7.9. BLADE
• 7.10. CIRCLE ROTATION GEAR
• 7.11. SCARIFIER
• 8. OTHERS
• 8.1. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
• 8.2. HYDRAULIC CIRCUIT DIAGRAM
• 8.3. ELECTRICAL CIRCUIT DIAGRAM (1/2)
• 8.4. ELECTRICAL CIRCUIT DIAGRAM (2/2)