Komatsu PC75UU-3 Hydraulic Excavator Shop Manual SEBM016404

Description

• Model List:
  • PC75UU-3 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. GENERAL ASSEMBLY DRAWING
• 3.2. WORK EQUIPMENT RANGE DRAWING
• 3.3. SPECIFICATIONS
• 3.4. WEIGHT TABLE
• 3.5. LIST OF LUBRICANT AND WATER
• 4. STRUCTURE AND FUNCTION
• 4.1. RADIATOR,OIL COOER
• 4.2. PTO (COUPLING)
• 4.3. POWER TRAIN
• 4.4. SWING MACHINERY
• 4.5. SWING CIRCLE
• 4.6. TRACK FRAME
• 4.7. HYDRAULIC EQUIPMENT LAYOUT
• 4.8. HYDRAULIC TANK
• 4.9. HYDRAULIC PUMP
• 4.10. CONTROL VALVE
• 4.11. SELFPRESSURE REDUCING VALVE
• 4.12. CLSS
• 4.13. SWING MOTOR
• 4.14. CENTER SWIVEL JOINT
• 4.15. TRAVEL MOTOR
• 4.16. VALVE CONTROL
• 4.17. PPC VALVE
• 4.18. SOLENOID VALVE
• 4.19. SOLENOID VALVE,EPC VALVE
• 4.20. WORK EQUIPMENT
• 4.21. AIR CONDITIONER PIPING
• 4.22. ELECTRIC WIRING DIAGRAM
• 4.23. ENGINE CONTROL
• 4.24. FOUR SYSTEM (4 SYSTEM)
• 4.25. ELECTRICAL CONTROL SYSTEM
• 4.26. MONITOR 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. TESTING AND ADJUSTING
• 5.4.1. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 5.4.2. MEASURING ENGINE SPEED
• 5.4.3. MEASURING EXHAUST COLOR
• 5.4.4. ADJUSTING VALVE CLEARANCE
• 5.4.5. MEASURING COMPRESSION PRESSURE
• 5.4.6. MEASURING BLOWBY PRESSURE
• 5.4.7. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 5.4.8. MEASURING ENGINE OIL PRESSURE
• 5.4.9. ADJUSTING ENGINE STOP SOLENOID LINKAGE TESTING
• 5.4.10. ADTUSTING FUEL CONTROL LINKAGE
• 5.4.11. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
• 5.4.12. MEASURING LS DIFFERENTIAL PRESSURE AND ADJUSTING LS VALVE
• 5.4.13. ADJUSTING PC VALVE
• 5.4.14. MEASURING CONTROL CIRCUIT OIL PRESSURE (REDUCED PUMP DISCHARGE SELFPRESSURE)
• 5.4.15. MEASURING PPC VALVE OUTPUT PRESSURE
• 5.4.16. TESTING SOLENOID VALVE OUTPUT PRESSURE
• 5.4.17. ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
• 5.4.18. TESTING TRAVEL DEVIATION
• 5.4.19. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 5.4.20. MEASURING SWING, TRAVEL MOTOR OIL LEAKAGE
• 5.4.21. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 5.4.22. TESTING CLEARANCE OF SWING CIRCLE BEARING
• 5.4.23. TESTING WEAR OF SPROCKET
• 5.4.24. TESTING AND ADJUSTING TRACK SHOE TENSION
• 5.4.25. BLEEDING AIR
• 5.4.26. PROCEDURE FOR RESETTING ELECTRICAL SYSTEM INPUT/ OUTPUT SIGNALS AND CHECKING OPERATION
• 5.4.27. PROCEDURE FOR ADJUSTMENT WHEN INSTALLING LONG ARM, SLIDE ARM (TELESCOPIC ARM)
• 5.4.28. PROCEDURE FOR REPLACING POTENTIOMETER
• 5.4.29. PROCEDURE FOR CHECKING 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. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 5.5.6. CONNECTOR ARRANGEMENT DIAGRAM
• 5.5.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.5.8. EXPLANATIONS OF CONTROL MECHANISM OF ELECTRICAL SYSTEM
• 5.5.9. DISPLAY METHOD FOR MONITOR PANEL,CONTROLLER
• 5.5.10. METHOD OF USING JUDGEMENT TABLE
• 5.5.11. METHOD OF USING TROUBLESHOOTING CHARTS
• 5.5.12. TROUBLESHOOTING OF ENGINE (S MODE)
• 5.5.13. TROUBLESHOOTING OF CONTROLLER,ELECTRICAL SYSTEM(E MODE)
• 5.5.14. TROUBLESHOOTING OF HYDRAULIC,MECHANICAL SYSTEM (H MODE)
• 5.5.15. TROUBLESHOOTING 0F MACHINE MONITOR SYSTEM (M MODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. SERIAL NO.1500119000 (MOUNT THE 4D95LE2ENGINE)
• 6.1.1. METHOD OF USING MANUAL
• 6.1.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.1.3. SPECIAL TOOL LIST
• 6.1.4. SCHEMATIC DRAWING OF SPECIAL TOOL
• 6.1.5. STARTING MOTOR
• 6.1.6. ALTERNATOR
• 6.1.7. FUEL INJECTION PUMP
• 6.1.8. WATER PUMP
• 6.1.9. NOZZLE HOLDER
• 6.1.10. THERMOSTAT
• 6.1.11. ENGINE OIL COOLER CORE
• 6.1.12. CYLINDER HEAD
• 6.1.13. RADIATOR AND HYDRAULIC OIL COOLER
• 6.1.14. ENGINE AND MAIN PUMP
• 6.1.15. CENTER SWIVEL JOINT
• 6.1.16. TRAVEL MOTOR
• 6.1.17. SPROCKET
• 6.1.18. SWING MOTOR AND SWING MACHINERY
• 6.1.19. SWING MACHINERY
• 6.1.20. REVOLVING FRAME
• 6.1.21. SWING CIRCLE
• 6.1.22. IDLER AND RECOIL SPRING
• 6.1.23. CARRIER ROLLER
• 6.1.24. RUBBER SHOE
• 6.1.25. STEEL SHOE AND ROAD LINER
• 6.1.26. MAIN PUMP
• 6.1.27. MAIN PUMP INPUT SHAFT OIL SEAL
• 6.1.28. SELF PRESSURE REDUCING VALVE
• 6.1.29. MAIN RELIEF VALVE
• 6.1.30. SOLENOID VALVE
• 6.1.31. WORK EQUIPMENT L. H. PPC VALVE
• 6.1.32. WORK EQUIPMENT R. H. PPC VALVE
• 6.1.33. WORK EQUIPMENT AND SWING PPC VALVE
• 6.1.34. TRAVEL PPC VALVE
• 6.1.35. BLAND PPC VALVE
• 6.1.36. OFFSET PPC VALVE
• 6.1.37. ARM CYLINDER
• 6.1.38. BUCKET CYLINDER
• 6.1.39. BOOM CYLINDER
• 6.1.40. OFFSET CYLINDER
• 6.1.41. BLADE CYLINDER
• 6.1.42. HYDRAULIC CYLINDER
• 6.1.43. WORK EQUIPMENT
• 6.1.44. BUCKET
• 6.1.45. BUCKET AND ARM
• 6.1.46. FIRST BOOM
• 6.1.47. BLADE
• 6.1.48. OPERATORS CAB
• 6.1.49. FLOOR FRAME
• 6.1.50. FUEL TANK
• 6.1.51. CONTROLLER
• 6.1.52. MONITOR
• 6.1.53. COUNTERWEIGHT
• 6.2. SERIAL NO. 19001 AND UP (MOUNT THE 4D95LE2ENGINE
• 6.2.1. RADIATOR AND HYD RAULIC OIL COOLER
• 6.2.2. ENGINE MAIN PUMP
• 6.2.3. REVOLVING FRAME
• 7. MAINTENANCE STANDARD
• 7.1. SWING MACHINERY
• 7.2. SWING CIRCLE
• 7.3. TRACK FRAME, RECOIL SPRING
• 7.4. SELF PRESSURE REDUCING VALVE
• 7.5. SWING MOTOR
• 7.6. CENTER SWIVEL JOINT
• 7.7. WORK EQUIPMENT, SWING PPC VALVE
• 7.8. TRAVEL PPC VALVE
• 7.9. BLADE, OFFSET PPC VALVE
• 7.10. HYDRAULIC CYLINDER
• 7.11. WORK EQUIPMENT
• 7.12. DIMENSION OF WORK EQUIPMENT
• 8. OTHERS
• 8.1. HYDRAULIC CIRCUIT DIAGRAM
• 8.1.1. STANDERD SPEC.
• 8.1.2. SERVICE VALVE SPEC.
• 8.1.3. SLIDE ARM SPEC.
• 8.1.4. MONO BOOM SPEC.
• 8.2. ELECTRICAL CIRCUIT DIAGRAM
• 8.2.1. STANDERD SPEC.
• 8.2.2. LONG ARM SPEC.