Komatsu D375A-3 Bull Dozer Shop Manual SEBM008403

Description

• Model List:
  • D375A-3 Bull Dozer

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DRAWING
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. TABLE OF FUEL ,COOLANT AND LUBRICANTS
• 4. STRUCTURE AND FUNCTION
• 4.1. ENGINE CONTROL
• 4.2. POWER TRAIN
• 4.3. OVERALL DRAWING OF POWER TRAIN UNIT
• 4.4. POWER TRAIN HYDRAULIC PIPING DIAGRAM
• 4.5. POWER TRAIN HYDRAULIC SYSTEM DRAWING
• 4.6. POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
• 4.7. DAMPER,UNIVERSAL JOINT
• 4.8. TORQUE CONVERTER,PTO
• 4.9. TORQUE CONVERTER VALVE
• 4.10. TRANSMISSION CONTROL
• 4.11. TRANSMISSION
• 4.12. TRANSMISSION CONTROL VALVE
• 4.13. LUBRICATION RELIEF VALVE
• 4.14. SCAVENGING PUMP STRAINER
• 4.15. POWER TRAIN PUMP STRAINER
• 4.16. POWER TRAIN,LUBRICATION OIL FILTER
• 4.17. STEERING,BRAKE CONTROL
• 4.18. TRANSFER,BEVEL GEAR SHAFT,STEERING
• 4.19. STEERING CONTROL VALVE
• 4.20. FINAL DRIVE
• 4.21. TRACK FRAME
• 4.22. RECOIL SPRING
• 4.23. TRACK ROLLER BOGIE
• 4.24. MAIN FRAME
• 4.25. SUSPENSION
• 4.26. WORK EQUIPMENT HYDRAULIC PIPING DIAGRAM
• 4.27. PPC CONTROL PIPING DIAGRAM
• 4.28. WORK EQUIPMENT CONTROL
• 4.29. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (TILTDOZER)
• 4.30. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 4.31. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (DUAL TILTDOZER)
• 4.32. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 4.33. HYDRAULIC TANK
• 4.34. PPC CHARGE VALVE
• 4.35. ACCUMULATOR
• 4.36. PPC LOCK VALVE
• 4.37. PPC VALVE
• 4.38. PISTON VALVE
• 4.39. QUICK DROP VALVE
• 4.40. PIN PULLER SWITCH
• 4.41. PIN PULLER SOLENOID VALVE
• 4.42. BLADE CONTROL KNOB
• 4.43. PITCH,DUAL TILT SOLENOID VALVE
• 4.44. MAIN CONTROL VALVE
• 4.45. AIR CONDITIONER
• 4.46. ACTUAL ELECTRIC WIRING DIAGRAM
• 4.47. ELECTRIC CIRCUIT DIAGRAM
• 4.48. MACHINE MONITOR SYSTEM
• 4.49. MODE SELECTION SYSTEM
• 4.50. ENGINE CONTROL SYSTEM
• 4.51. SWITCH PANEL
• 4.52. ENGINE START SAFETY SYSTEM
• 4.54. TORQUE CONVERTER LOCKUP CONTROL SYSTEM
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 5.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 5.3. STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS
• 5.4. STANDARD VALUE TABLE FOR MACHINE MONITOR
• 5.5. TABLE OF TOOLS FOR TESTING,ADJUSTING,AND TROUBLESHOOTING
• 5.6. TABLE OF APPLICABLE TADAPTER KITS (TOOL M)
• 5.7. MEASURING ENGINE SPEED
• 5.8. MEASURING EXHAUST COLOR
• 5.9. ADJUSTING VALVE CLEARANCE
• 5.10. MEASURING COMPRESSION PRESSURE
• 5.11. MEASURING BLOWBY PRESSURE
• 5.12. MEASURING ENGINE OIL PRESSURE
• 5.13. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 5.14. TESTING AND ADJUSTING ALTERNATOR BELT TENSION
• 5.15. TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
• 5.16. MEASURING EXHAUST TEMPERATURE
• 5.17. MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
• 5.18. MEASURING TORQUE CONVERTER STALL SPEED
• 5.19. MEASURING SPEED AT TORQUE CONVERTER STALL HYDRAULIC PUMP RELIEF (FULL STALL)
• 5.20. ADJUSTING FUEL CONTROL LINKAGE
• 5.21. ADJUSTING DECELERATOR PEDAL
• 5.22. ADJUSTING JOYSTICK (STEERING,DIRECTIONAL,SPEED CONTROL LEVER),PARKING BRAKE LEVER LINKAGE
• 5.23. ADJUSTING BRAKE PEDAL LINKAGE
• 5.24. ADJUSTING WORK EQUIPMENT CONTROL LINKAGE
• 5.25. MEASURING POWER TRAIN OIL PRESSURE
• 5.26. MEASURING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
• 5.27. TESTING AND ADJUSTING WORK EQUIPMENT CONTROL CIRCUIT PRESSURE
• 5.28. MEASURING PPC VALVE OUTPUT PRESSURE
• 5.29. ADJUSTING PPC VALVE
• 5.30. MEASURING ONOFF SOLENOID VALVE OUTPUT PRESSURE
• 5.31. BLEEDING AIR FROM HYDRAULIC CYLINDERS
• 5.32. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 5.33. CHECKING LOCATION OF CAUSE OF HYDRAULIC DRIFT OF BLADE AND RIPPER
• 5.34. MEASURING LEAKAGE INSIDE CYLINDER
• 5.35. ADJUSTING SEMI UTILTDOZER
• 5.36. ADJUSTING CLEARANCE OF IDLER
• 5.37. SIMPLE PROCEDURE FOR TESTING BRAKE PERFORMANCE
• 5.38. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. SKETCHES OF SPECIAL TOOLS
• 6.5. ENGINE OIL COOLER
• 6.6. FUEL INJECTION PUMP
• 6.7. AFTERCOOLER CORE
• 6.8. NOZZLE HOLDER
• 6.9. ENGINE FRONT SEAL
• 6.10. ENGINE REAR SEAL
• 6.11. INLINE SERVO VALVE
• 6.12. POWER TRAIN UNIT
• 6.14. TORQUE CONVERTER
• 6.15. TORQFLOW TRANSMISSION
• 6.16. STEERING CASE
• 6.17. POWER TRAIN,LUBRICATION PUMP
• 6.18. SCAVENGING PUMP
• 6.19. TORQUE CONVERTER OIL COOLER
• 6.20. TORQUE CONVERTER VALVE
• 6.21. TRANSMISSION CONTROL VALVE
• 6.22. TRANSMISSION LUBRICATION VALVE
• 6.23. STEERING CONTROL VALVE
• 6.24. OVERALL DISASSEMBLY OF TRACK SHOE
• 6.25. OVERALL ASSEMBLY
• 6.26. PRESSFITTING JIG DIMENSION TABLE FOR LINK PRESS
• 6.27. ONE LINK
• 6.28. EQUALIZER BAR BUSHING
• 6.29. WORK EQUIPMENT,PPC PUMP
• 6.30. HYDRAULIC COOLER
• 6.31. BLADE LIFT VALVE
• 6.32. BLADE TILT,RIPPER LO VALVE
• 6.33. RIPPER HI VALVE
• 6.34. PPC CHARGE VALVE
• 6.35. BLADE PPC VALVE
• 6.36. RIPPER PPC VALVE
• 6.37. BLADE LIFT CYLINDER
• 6.38. BLADE TILT CYLINDER
• 6.39. RIPPER LIFT CYLINDER
• 6.40. RIPPER TILT CYLINDER
• 6.41. HYDRAULIC CYLINDER
• 6.42. RIPPER PINPULLER
• 6.43. SHOE SLIP CONTROLLER
• 6.44. ELECTRIC ENGINE THROTTLE CONTROLLER
• 6.45. TORQUE CONVERTER LOCKUP CONTROLLER
• 6.46. APS CONTROLLER
• 6.47. AIR CONDITIONER COMPRESSOR
• 6.48. AIR CONDITIONER CONDENSER
• 6.49. HOOD
• 7. MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT
• 7.2. DAMPER, UNIVERSAL JOINT
• 7.3. TORQUE CONVERTER
• 7.4. TORQUE CONVERTER VALVE
• 7.5. TRANSMISSION
• 7.6. TRANSMISSION CONTROL VALVE
• 7.7. POWER TRAIN LUBRICATION PUMP
• 7.8. SCAVENGING PUMP
• 7.9. TRANSFER,BEVEL PINION
• 7.10. BEVEL GEAR SHAFT,STEERING CLUTCH,BRAKE
• 7.11. SEERING CONTROL VALVE
• 7.12. TRACK ROLLER BOGIE
• 7.13. WORK EQUIPMENT PPC CHARGE PUMP
• 7.14. WORK EQUIPMENT CONTROL VALVE
• 7.15. PPC VALVE
• 7.16. PPC CHARGE VALVE
• 7.17. WORK EQUIPMENT CYLINDER
• 7.18. QUICK DROP VALVE
• 7.19. CYLINDER STAY
• 7.20. BLADE
• 7.21. RIPPER EQUIPMENT
• 8. OTHERS
• 8.1. POWER TRAIN HYDRAULIC SYSTEM DRAWING (1010)
• 8.2. POWER TRAIN HYDRAULIC CIRCUIT DRAWING (1011)
• 8.3. TRANSMISSION (1031)
• 8.4. BEVEL GEAR SHAFT,STEERING CLUTCH,BRAKE (1052)
• 8.5. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (TILTDOZER) (1080)
• 8.6. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (1081)
• 8.7. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (DUAL TILTDOZER) (1082)
• 8.8. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (DUAL TILTDOZER) (1083)
• 8.9. BLADE LEVER AT HOLD,RIPPER LEVER AT HOLD (10116)
• 8.10. BLADE LEVER AT RAISE (BLADE OPERATING AT HIGH SPEED) (10118)
• 8.11. BLADE LEVER AT RAISE (BLADE OPERATING AT LOW SPEED) (10120)
• 8.12. BLADE LEVER AT LEFT TILT (10122)
• 8.13. RIPPER LEVER AT TILT IN (RIPPER LO VALVE,SHUTTLE VALVE ACTUATED) (10124)
• 8.14. RIPPER LEVER AT TILT IN (RIPPER HI VALVE ACTUATED) (10126)
• 8.15. RIPPER LEVER AN LOWER (RIPPER LO VALVE,SHUTTLE VALVE ACTUATED) (10128)
• 8.16. BLADE LEVER AT HOLD,RIPPER LEVER AT LOWER (RIPPER HI VALVE ACTUATED) (10130)
• 8.17. RIPPER LEVER AT LOWER (CYLINDER AT STROKE END) (10132)
• 8.18. ACTUAL ELECTRIC WIRING DIAGRAM (10144)
• 8.19. ACTUAL ELECTRIC WIRING DIAGRAM (10145)
• 8.20. ELECTRIC CIRCUIT DIAGRAM
• 8.21. CONNECTOR ARRANGEMENT DIAGRAM (20116)
• 8.22. CONNECTOR ARRANGEMENT DIAGRAM (20117)
• 8.23. BEVEL GEAR SHAFT,STEERING CLUTCH,BRAKE (4016)