Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21 Bull Dozer Shop Manual SEBM025607
Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21 Bull Dozer Shop Manual SEBM025607 - Image 2
Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21 Bull Dozer Shop Manual SEBM025607 - Image 3
Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21 Bull Dozer Shop Manual SEBM025607 - Image 4
Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21 Bull Dozer Shop Manual SEBM025607 - Image 5

Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21 Bull Dozer Shop Manual SEBM025607

$50.00

  • Type Of Manual: Shop Manual
  • Manual ID: SEBM025607
  • Format: PDF
  • Size: 87.0MB
  • Number of Pages: 407
Category:

Description

  • Model List:

    • D31EX-21 Bull Dozer
    • D31PX-21 Bull Dozer
    • D37EX-21 Bull Dozer
    • D37PX-21 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, MAINTENANCE STANDARD
  • 4.1. COOLING SYSTEM
  • 4.2. ENGINE CONTROL
  • 4.3. POWER TRAIN
  • 4.4. POWER TRAIN SYSTEM
  • 4.5. HST HYDRAULIC EQUIPMENT ARRANGEMENT DIAGRAM
  • 4.6. STEERING, BRAKE CONTROL
  • 4.7. DAMPER
  • 4.8. SOLENOID VALVE
  • 4.9. FINAL DRIVE
  • 4.10. HST PUMP
  • 4.11. SAFETYSUCTION VALVE
  • 4.12. CUTOFF VALVE
  • 4.13. CHARGE SAFETY VALVE
  • 4.14. CHARGE PUMP
  • 4.15. HST BRAKE QUICK RETURN CIRCUIT
  • 4.16. TOWING VALVE
  • 4.17. PARKING BRAKE VALVE
  • 4.18. AS VALVE
  • 4.19. HST MOTOR
  • 4.20. STEERING, DIRECTIONAL PPC VALVE
  • 4.21. AUTOMATIC GEARSHIFTING VALVE
  • 4.22. INCHING VALVE
  • 4.23. FRAME ASSEMBLY
  • 4.24. TRACK FRAME, RECOIL SPRING
  • 4.25. ARRANGEMENT OF HYDRAULIC EQUIPMENT FOR WORK EQUIPMENT
  • 4.26. WORK EQUIPMENT CONTROL
  • 4.27. HYDRAULIC TANK, FILTER
  • 4.28. HYDRAULIC PUMP
  • 4.29. WORK EQUIPMENT CYLINDER
  • 4.30. CONTROL VALVE
  • 4.31. CLSS
  • 4.32. WORK EQUIPMENT PPC VALVE
  • 4.33. WORK EQUIPMENT
  • 4.34. CUTTING EDGE, END BIT
  • 4.35. CAB RELATED
  • 4.36. SAFETY MECHANISM WHEN STARTING ENGINE
  • 4.37. GEARSHIFT CONTROL SYSTEM
  • 4.38. PARKING BRAKE CONTROL SYSTEM
  • 4.39. COMPONENT EQUIPMENT OF SYSTEM
  • 4.40. MONITOR SYSTEM
  • 4.41. SENSORS
  • 5. TESTING AND ADJUSTING
  • 5.1. STANDARD VALUE TABLE FOR ENGINE
  • 5.2. STANDARD VALUE TABLE FOR CHASSIS
  • 5.3. STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
  • 5.4. TESTING AND ADJUSTING
  • 5.4.1. TOOLS LIST FOR TESTING AND ADJUSTING
  • 5.4.2. MEASURING ENGINE SPEED
  • 5.4.3. MEASURING EXHAUST COLOR
  • 5.4.4. MEASURING BLOWBY PRESSURE
  • 5.4.5. MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
  • 5.4.6. ADJUSTING VALVE CLEARANCE
  • 5.4.7. TESTING ADJUSTING FUEL INJECTION TIMING
  • 5.4.8. MEASURING COMPRESSION PRESSURE
  • 5.4.9. ADJUSTING ENGINE STOP SOLENOIDE LINKAGE
  • 5.4.10. MEASURING ENGINE OIL PRESSURE
  • 5.4.11. BLEEDING AIR FROM FUEL CIRCUIT
  • 5.4.12. TESTING AND ADJUSTING TENSION OF AIR CONDITIONER COMPRESSOR BELT
  • 5.4.13. MEASURING AND ADJUSTING HST OIL PRESSURE
  • 5.4.14. MEASURING SOLENOID VALVE OUTPUT PRESSURE
  • 5.4.15. MEASURING AND ADJUSTING WORK EQUIPMENT MAIN RELIEF PRESSURE
  • 5.4.16. MEASURING PPC VALVE OUTPUT PRESSURE
  • 5.4.17. MEASURING LEAKAGE INSIED CYLINDER
  • 5.4.18. BLEEDING AIR FROM HYDRAULIC CYLINDERS
  • 5.4.19. TESTING AND ADJUSTING TRACK SHOE TENSION
  • 5.4.20. TESTING AND ADJUSTING TRAVEL DEVIATION
  • 5.4.21. ADJUSTING FUEL CONTROL LINKAGE
  • 5.4.22. ADJUSTING DECELERATOR PEDAL LINKAGE
  • 5.4.23. ADJUSTING BRAKE PEDAL LINKAGE
  • 5.4.24. ADJUSTING STEERING/DIRECTIONAL/GEAR SHIFT LEVER AND LOCK LEVER
  • 5.4.25. ADJUSTING BLADE CONTROL LEVER AND LOCK LEVER
  • 5.4.26. ADJUSTING WORK EQUIPMENT PPC VALVE
  • 5.4.27. PROCEDURE FOR RELEASING PARKING BRAKE
  • 5.4.28. PROCEDURE FOR INSPECTING DIODE
  • 5.5. TROUBLESHOOTING
  • 5.5.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
  • 5.5.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
  • 5.5.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
  • 5.5.4. CHECKS BEFORE TROUBLESHOOTING
  • 5.5.5. METHOD OF USING TROUBLESHOOTING CHARTS
  • 5.5.6. TYPES AND LOCATIONS OF CONNECTORS
  • 5.5.7. CONNECTOR ARRANGEMENT DIAGRAM
  • 5.5.8. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
  • 5.5.9. TROUBLESHOOTING FOR ELECTRICAL SYSTEM (EMODE)
  • 5.5.10. TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEM (HMODE)
  • 5.5.11. TROUBLESHOOTING FOR MACHINE MONITOR SYSTEM (MMODE)
  • 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. REMOVAL OF FUEL INJECTION PUMP ASSEMBLY
  • 6.6. INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
  • 6.7. REMOVAL OF CYLINDER HEAD ASSEMBLY
  • 6.8. INSTALLATION OF CYLINDER HEAD ASSEMBLY
  • 6.9. REMOVAL OF ENGINE FRONT SEAL
  • 6.10. INSTALLATION OF ENGINE FRONT SEAL
  • 6.11. REMOVAL OF ENGINE REAR SEAL
  • 6.12. INSTALLATION OF ENGINE REAR SEAL
  • 6.13. REMOVAL OF RADIATOR GUARD ASSEMBLY
  • 6.14. INSTALLATION OF RADIATOR GUARD ASSEMBLY
  • 6.15. DISASSEMBLY OF RADIATOR, OIL COOLER, AND CHARGE AIR COOLER ASSEMBLIES
  • 6.16. ASSEMBLY OF RADIATOR, OIL COOLER, AND CHARGE AIR COOLER ASSEMBLIES
  • 6.17. REMOVAL OF ENGINE ASSEMBLY
  • 6.18. INSTALLATION OF ENGINE ASSEMBLY
  • 6.19. REMOVAL OF DAMPER
  • 6.20. INSTALLATION OF DAMPER
  • 6.21. REMOVAL OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
  • 6.22. INSTALLATION OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
  • 6.23. DISASSEMBLY OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
  • 6.24. ASSEMBLY OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
  • 6.25. REMOVAL OF IDLER AND RECOIL SPRING ASSEMBLY
  • 6.26. INSTALLATION OF IDLER AND RECOIL SPRING ASSEMBLY
  • 6.27. DISASSEMBLY OF RECOIL SPRING ASSEMBLY
  • 6.28. ASSEMBLY OF RECOIL SPRING ASSEMBLY
  • 6.29. DISASSEMBLY OF IDLER ASSEMBLY
  • 6.30. ASSEMBLY OF IDLER ASSEMBLY
  • 6.31. DISASSEMBLY OF TRACK ROLLER ASSEMBLY
  • 6.32. ASSEMBLY OF TRACK ROLLER ASSEMBLY
  • 6.33. DISASSEMBLY OF CARRIER ROLLER ASSEMBLY
  • 6.34. ASSEMBLY OF CARRIER ROLLER ASSEMBLY
  • 6.35. SPREADING TRACK SHOE ASSEMBLY
  • 6.36. INSTALLATION OF TRACK SHOE ASSEMBLY
  • 6.37. REMOVAL OF HST PUMP ASSEMBLY
  • 6.38. INSTALLATION OF HST PUMP ASSEMBLY
  • 6.39. REMOVAL OF MAIN CONTROL VALVE ASSEMBLY
  • 6.40. INSTALLATION OF MAIN CONTROL VALVE ASSEMBLY
  • 6.41. DISASSEMBLY OF MAIN CONTROL VALVE ASSEMBLY
  • 6.42. ASSEMBLY OF MAIN CONTROL VALVE ASSEMBLY
  • 6.43. DISASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLIES
  • 6.44. ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLIES
  • 6.45. REMOVAL OF BLADE ASSEMBLY
  • 6.46. INSTALLATION OF BLADE ASSEMBLY
  • 6.47. REMOVAL OF OPERATORS SEAT TRAME ASSEMBLY
  • 6.48. INSTALLATION OF OPERATORS SEAT FRAME ASSEMBLY
  • 6.49. REMOVAL OF FUEL TANK ASSEMBLY
  • 6.50. INSTALLATION OF FUEL TANK ASSEMBLY
  • 6.51. REMOVAL OF HYDRAULIC TANK ASSEMBLY
  • 6.52. INSTALLATION OF HYDRAULIC TANK ASSEMBLY
  • 7. OTHERS
  • 7.1. HYDRAULIC CIRCUIT DIAGRAM (1/2)(D31EX21 SERIAL NO.5000150097 D31PX21 SERIAL NO.5000150181 D37EX21 SERIAL NO. 50015104 D37PX21 SERIAL NO. 50015090)
  • 7.2. HYDRAULIC CIRCUIT DIAGRAM (1/2)(D31EX21 SERIAL NO.50098 AND UP D31PX21 SERIAL NO.50182 AND UP D37EX21 SERIAL NO.5105 AND UP D37PX21 SERIAL NO.5091 AND UP)
  • 7.3. HYDRAULIC CIRCUIT DIAGRAM (2/2)
  • 7.4. HYDRAULIC CIRCUIT DIAGRAM (2/2) (FOR D37EX, PX21 EU SPEC.)
  • 7.5. ELECTRICAL CIRCUIT DIAGRAM (1/2)
  • 7.6. ELECTRICAL CIRCUIT DIAGRAM (2/2)
  • 7.7. ELECTRICAL CIRCUIT DIAGRAM FOR AIR CONDITIONER
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