Komatsu PC158US-2 Hydraulic Excavator Shop Manual SEBM026504

Description

• Model List:
  • PC158US-2 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DIMENSION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. LIST OF LUBRICANTS AND WATER
• 4. STRUCTURE AND FUNCTION
• 4.2. RADIATOR AND OIL COOLER
• 4.3. POWER TRAIN
• 4.4. SWING CIRCLE
• 4.5. SWING MACHINERY
• 4.6. FINAL DRIVE
• 4.7. TRACK FRAMERECOIL SPRING
• 4.8. HYDRAULIC COMPONENT LAYOUT
• 4.9. VALVE CONTROL
• 4.10. HYDRAULIC TANK AND FILTER
• 4.11. HYDRAULIC PUMP (PISTON PUMP)
• 4.12. PCEPC VALVE
• 4.13. CONTROL VALVE
• 4.14. CLSS
• 4.15. SELF PRESSURE REDUCING VALVE
• 4.16. CENTER SWIVEL JOINT
• 4.17. TRAVEL MOTOR
• 4.18. SWING MOTOR
• 4.19. SOLENOIL VALVE
• 4.20. PPC ACCUMULATOR
• 4.21. ACCUMULATOR FOR BREAKER
• 4.22. PPC VALVE
• 4.23. WORK EQUIPMENT
• 4.24. AIR CONDITIONER PIPING
• 4.25. ELECTRIC COMPONENT LAYOUT
• 4.26. ENEGINE CONTROL
• 4.27. ELECTRIC CONTROL SYSTEM
• 4.28. MONITOR SYSTEM
• 5. TESTING ANS ADJUSTING
• 5.1. STANDARD VALUE TABLE
• 5.1.1. STANDARD VALUE TABLE FOR ENGINE
• 5.1.2. STANDARD VALUE TABLE FOR CHASSIS
• 5.1.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 5.2. TESTING AND ADJUSTING
• 5.2.1. TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
• 5.2.2. MEASURING ENGINE SPEED
• 5.2.3. MEASURING EXHAUST COLOR
• 5.2.4. ADJUSTING VALVE CLEARANCE
• 5.2.5. MEASURING BLOWBY PRESSURE
• 5.2.6. MEASURING ENGINE OIL PRESSURE
• 5.2.7. TESTING AND ADJUSTING FUEL INJECTION TIMEING
• 5.2.8. TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
• 5.2.9. ADJUSTING ENGINE SPEED SENSOR
• 5.2.10. ADJUSTING FUEL CONTROL CABLE
• 5.2.11. ADJUSTING ENGINE STOP SOLENOLD LINKAGE INSPECTION
• 5.2.12. TESTING CLEARANCE OF SWING CIRCLE BEARING
• 5.2.13. CHECKING WEAR OF SPROCKET
• 5.2.14. INSPECTION AND ADJUSTMENT OF TRACK SHOE TENSION
• 5.2.15. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING,TRAVEL CIRCUIT
• 5.2.16. TESTING AND ADJUSTING OUTPUT PRESSURE OF PC VALVE (SERVO PISTON INPUT PRESSURE)
• 5.2.17. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE
• 5.2.18. TESTING AND ADJUSTING CONTROL CICUIT OIL PRESSURE
• 5.2.19. TESTING SOLENIOD VALVE OUTPOUT PRESSURE
• 5.2.20. MEASURING PPC VALVE OUTPUT PRESSURE
• 5.2.21. ADJUSTING PPC VALVE
• 5.2.22. TESTING AND ADJUSTING TRAVEL DEVIATION
• 5.2.23. CHECKING LOCATION OF CAUSE OF HYDRAULIC DRIFT OF WORK EQUIPMENT
• 5.2.24. MEASURING OIL LEAKAGE OF SWING MOTOR
• 5.2.25. MEASURING OIL LEAKAGE OF TRAVEL MOTOR
• 5.2.26. BLEEDING AIR
• 5.2.27. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 5.2.28. RELEASING REMAINING PRESSURE IN HYDRAULIC TANK
• 5.2.29. PROCEDURE FOR CHECKIG DIODE
• 5.2.30. PM CLINIC INSPECTION TABLE
• 5.3. TROUBLESHOOTING
• 5.3.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.3.2. SEQUENCE OF EVENTS IN TROUBLESHOOING
• 5.3.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 5.3.4. CHECEKS BEFORE TROUBLESHOOTING
• 5.3.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 5.3.6. CONNECTOR ARRANGEMENT DIAGRAM
• 5.3.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.3.8. TBRANCH BOX AND TBRANCH TABLE
• 5.3.9. METHOD OF USING TROUBLESHOOTING CHARTS
• 5.3.10. JUDGEMENT TABLE FOR ELECTRICAL SYSTEM, HYDRAULIC AND MECHANICAL SYSTEM
• 5.3.11. TROUBLESHOTING OF CONTROLLER, ELECTRICAL SYSTEM
• 5.3.12. TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM
• 5.3.13. TROUBLESHOOTING OF MACHINE MONOTOR SYSTEM
• 5.3.14. TROUBLESHOOTING OF ENGINE (S MODE)
• 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 TOOL
• 6.5. ENGINE, MAIN PUMP
• 6.5.1. REMOVAL
• 6.5.2. INSTALLATION
• 6.6. REDIATOR, HYDRAULIC OIL COOLER
• 6.6.1. REMOVAL
• 6.6.2. INSTALLATION
• 6.7. FUEL TANK
• 6.7.1. REMOVAL AND INSTALLATION
• 6.8. CENTER SWIVEL JOINT
• 6.8.1. REMOVAL AND INSTALLATION
• 6.8.2. DISASSEMBLY AND ASSEMBLY
• 6.9. FINAL DRIVE, TRAVEL MOTOR
• 6.9.1. REMOVAL AND INSTALLATION
• 6.10. FINAL DRIVE
• 6.10.1. DISASSEMBLY
• 6.10.2. ASSEMBLY
• 6.11. SWING MOTOR, SWING MACHINERY
• 6.11.1. REMOVAL AND INSTALLATION
• 6.12. SWING MACHINERY
• 6.12.1. DISASSEMBLY
• 6.12.2. ASSEMBLY
• 6.13. REVOLVIND FRAME
• 6.13.1. REMVOAL
• 6.13.2. INSTALLATION
• 6.14. SWING CIRCLE
• 6.14.1. REMOVAL AND INSTALATION
• 6.14.2. REMOVAL AND INSTALLATION
• 6.15. LS SELECTION VALVE
• 6.15.1. DISASSEMBLY AND ASSEMBLY
• 6.16. PRESSURE COMPENSATION VALVE
• 6.16.1. DISASSEMBLY
• 6.16.2. ASSEMBLY
• 6.17. MIAN RELIEF VALVE
• 6.17.1. DISASSEMBLY
• 6.17.2. ASSEMBLY
• 6.18. WORK EQUIPMENT PPC VALVE (FOE BOOM, BUCKET, ARM, SWING CONTROL)
• 6.18.1. DISADDEMBLY
• 6.18.2. ASSEMBLY
• 6.19. TRAVEL PPC VALVE
• 6.19.1. DISASSEMBLY
• 6.19.2. ASSEMBLY
• 6.20. HYDRAULIC CYLINDER
• 6.21. OPERATORS CAB GLASS (STUCK GLASS)
• 6.21.1. REMOVAL
• 6.21.2. INSTALLATION
• 6.22. FRONT WINDOW
• 6.22.1. REMVOAL AND INSTALLATION
• 6.23. FLOOR FRAME
• 6.23.1. REMOVAL
• 6.23.2. INSTALLATION
• 6.24. AIRCONDITIONER COMPRESSOR
• 6.24.1. REMOVAL AND INSTALLATION
• 6.25. AIRCONDITIONER CONDENSER
• 6.25.1. REMOVAL AND INSTALLATION
• 6.26. AIRCONDITIONER UNIT
• 6.26.1. REMOVAL
• 6.26.2. INSTALLATION
• 6.27. COUNTERWEIGHT
• 6.27.1. REMOVAL AND INSTALLATION
• 7. MAINTENANCE STANDARD
• 7.1. SWING MACHINERY
• 7.2. FINAL DRIVE
• 7.3. SWING CIRCLE
• 7.4. TRACK FRAME, RECOIL SPRING
• 7.5. IDLER
• 7.6. CARRIER ROLLER
• 7.7. SELF PRESSURE REDUCTUIN VALVE
• 7.8. TRAVEL MOTOR
• 7.9. SWING MOTOR
• 7.10. SOLENOID VALVE
• 7.11. CENTER SWIVEL JOINT
• 7.12. PPC VALVE
• 7.13. HYDRAULIC CYLINDER
• 7.14. WORK EQUIPMENT
• 7.15. DIMENSION OF WORK EQUIPMENT
• 8. OTHERS
• 8.1. HYDRAULIC CIRCUIT DIAGRAM
• 8.2. ELECTRIC CIRCUIT DIAGRAM (1/2)
• 8.3. ELECTRIC CIRCUIT DIAGRAM (2/2)