Komatsu HM300-1 Shop Manual SEBM024815

Description

• Model List:
  • HM300-1

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. FUEL, COOLANT AND LUBRICANTS
• 4. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 4.1. RADIATOR, OIL COOLER, AFTERCOOLER
• 4.2. POWER TRAIN SKELETON
• 4.3. OUTPUT SHAFT
• 4.4. TORQUE CONVERTER AND TRANSMISSION HYDRAULIC PIPING
• 4.5. TORQUE CONVERTER
• 4.6. TRANSMISSION
• 4.7. TRANSMISSION VALVE
• 4.8. ECMV (ELECTRONIC CONTROL MODULATION VALVE)
• 4.9. MAIN RELIEF, TORQUE CONVERTER RELIEF VALVE
• 4.10. DRIVE SHAFT
• 4.11. AXLE
• 4.12. DIFFERENTIAL
• 4.13. LIMITED SLIP DIFFERENTIAL
• 4.14. FINAL DRIVE
• 4.15. STEERING COLUMN
• 4.16. BRAKE PIPING
• 4.17. BRAKE VALVE
• 4.18. ACCUMULATOR CHARGE VALVE
• 4.19. ACCUMULATOR
• 4.20. SLACK ADJUSTER
• 4.21. BRAKE
• 4.22. PROPORTIONAL REDUCING VALVE
• 4.23. BRAKE SYSTEM TANK
• 4.24. PARKING BRAKE
• 4.25. PARKING BRAKE CALIPER
• 4.26. SPRING CYLINDER
• 4.27. PARKING BRAKE SOLENOID
• 4.28. SUSPENSION
• 4.29. SUSPENSION CYLINDER
• 4.30. OSCILLATION HITCH
• 4.31. STEERING, HOIST OIL PRESSURE PIPING DIAGRAM
• 4.32. DUMP BODY CONTROL
• 4.33. HYDRAULIC TANK AND FILTER
• 4.34. FLOW AMP VALVE
• 4.35. STEERING VALVE
• 4.36. STEERING CYLINDER
• 4.37. HOIST VALVE
• 4.38. EPC VALVE
• 4.39. PILOT CHECK VALVE
• 4.40. HOIST CYLINDER
• 4.41. HYDRAULIC PUMP
• 4.42. CAB TILT
• 4.43. AIR CONDITIONER
• 4.44. HEARTER
• 4.45. MACHINE MONITOR SYSTEM
• 4.46. AUTOMATIC SHIFT CONTROL SYSTEM
• 4.47. TRANSMISSION CONTROLLER
• 4.48. AUTO EMERGENCY STEERING SYSTEM
• 4.49. SENSORS, SWITCHES
• 4.50. RETARDER CONTROL SYSTEM
• 4.51. BRAKE CONTROL SYSTEM (ESPEC)
• 4.52. DUMP CONTROL LEVER
• 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 PARTS
• 5.4. TESTING AND ADJUSTING
• 5.5. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. HOW TO READ THIS MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY
• 6.5. REMOVAL AND INSTALLATION OF FUEL INJECTOR ASSEMBLY
• 6.6. REMOVAL AND INSTALLATION OF NOZZLE TIP
• 6.7. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 6.8. REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY
• 6.9. REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
• 6.10. REMOVAL AND INSTALLATION OF OUTPUT SHAFT ASSEMBLY
• 6.11. ASSEMBLY AND DISASSEMBLY OF OUTPUT SHAFT ASSEMBLY
• 6.12. REMOVAL AND INSTALLATION OF TRANSMISSION AND FRONT DIFFERENTIAL ASSEMBLY
• 6.13. CONNECTION AND DISCONNECTION OF FRONT DIFFERENTIAL ASSEMBLY AND TRANSMISSION ASSEMBLY
• 6.14. DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER ASSEMBLY
• 6.15. DISASSEMBLY AND ASSEMBLY OF TRANSMISSION ASSEMBLY
• 6.16. DISASSEMBLY AND ASSEMBLY OF FRONT DIFFERENTIAL ASSEMBLY
• 6.17. REMOVAL AND INSTALLATION OF CENTER DIFFERENTIAL ASSEMBLY
• 6.18. DISASSEMBLY AND ASSEMBLY OF CENTER DIFFERENTIAL ASSEMBLY
• 6.19. REMOVAL AND INSTALLATION OF REAR DIFFERENTIAL ASSEMBLY
• 6.20. DISASSEMBLY AND ASSEMBLY OF REAR DIFFERENTIAL ASSEMBLY
• 6.21. REMOVAL AND INSTALLATION OF FRONT FINAL DRIVE AND BRAKE ASSEMBLY
• 6.22. DISASSEMBLY AND ASSEMBLY OF FRONT FINAL DRIVE AND BRAKE ASSEMBLY
• 6.23. REMOVAL AND INSTALLATION OF CENTER FINAL DRIVE AND BRAKE ASSEMBLY
• 6.24. DISASSEMBLY AND ASSEMBLY OF CENTER FINAL DRIVE AND BRAKE ASSEMBLY
• 6.25. DISASSEMBLY AND ASSEMBLY OF REAR FINAL DRIVE ASSEMBLY
• 6.26. REMOVAL AND INSTALLATION OF CENTER AXLE ASSEMBLY
• 6.27. REMOVAL AND INSTALLATION OF REAR AXLE ASSEMBLY
• 6.28. REMOVAL AND INSTALLATION OF FRONT SUSPENSION CYLINDER ASSEMBLY
• 6.29. INSTALLATION AND REMOVAL OF REAR SUSPENSION CYLINDER ASSEMBLY
• 6.30. REMOVAL AND INSTALLATION OF EQUALIZER BAR
• 6.31. REMOVAL AND INSTALLATION OF HITCH FRAME ASSEMBLY
• 6.32. DISASSEMBLY AND ASSEMBLY OF HITCH FRAME ASSEMBLY
• 6.33. DISASSEMBLY AND ASSEMBLY OF STEERING VALVE ASSEMBLY
• 6.34. REMOVAL AND INSTALLATION OF FLOW AMP VALVE
• 6.35. REMOVAL AND INSTALLATION OF HOIST VALVE ASSEMBLY
• 6.36. DISASSEMBLY AND ASSEMBLY OF STEERING CYLINDER ASSEMBLY
• 6.37. DISASSEMBLY AND ASSEMBLY OF HOIST CYLINDER ASSEMBLY
• 6.38. REMOVAL AND INSTALLATION OF BODY ASSEMBLY
• 6.39. DISASSEMBLY AND ASSEMBLY OF OPERATORS SEAT ASSEMBLY
• 7. OTHERS
• 7.1. POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
• 7.2. STEERING AND HOIST HYDRAULIC CIRCUIT DIAGRAM
• 7.3. BRAKE HYDRAULIC CIRCUIT DIAGRAM
• 7.4. BRAKE COOLING HYDRAULIC CIRCUIT DIAGRAM
• 7.5. BRAKE COOLING HYDRAULIC CIRCUIT DIAGRAM (30C SPECIFICATION)
• 7.6. DIAGRAM FOR ELECTRICAL CIRCUIT AIR CONDITIONER
• 7.7. DIAGRAM FOR ELECTRICAL CIRCUIT INSIDE CAB (1/4)
• 7.8. DIAGRAM FOR ELECTRICAL CIRCUIT INSIDE CAB (2/4)
• 7.9. DIAGRAM FOR ELECTRICAL CIRCUIT INSIDE CAB (3/4)
• 7.10. DIAGRAM FOR ELECTRICAL CIRCUIT INSIDE CAB (4/4)
• 7.11. DIAGRAM FOR ELECTRICAL CIRCUIT OUTSIDE CAB (1/3)
• 7.12. DIAGRAM FOR ELECTRICAL CIRCUIT OUTSIDE CAB (2/3)
• 7.13. DIAGRAM FOR ELECTRICAL CIRCUIT OUTSIDE CAB (3/3)
• 7.14. DIAGRAM FOR ELECTRICAL CIRCUIT EXTERNAL POWER SUPPLY HEATER
• 7.15. DIAGRAM FOR ELECTRICAL CIRCUIT HEATER MIRROR