komatsu d31ex 21 d31px 21 d37ex 21 d37px 21 bull dozer shop manual sebm025607 1

komatsu d31ex 21 d31px 21 d37ex 21 d37px 21 bull dozer shop manual sebm025607 2

komatsu d31ex 21 d31px 21 d37ex 21 d37px 21 bull dozer shop manual sebm025607 3 1

komatsu d31ex 21 d31px 21 d37ex 21 d37px 21 bull dozer shop manual sebm025607 4

komatsu d31ex 21 d31px 21 d37ex 21 d37px 21 bull dozer shop manual sebm025607 5

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

$40.00

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

Category: Komatsu Shop Manual PDF

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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