Komatsu PC03-2 Hydraulic Excavator Shop Manual SEBM025000

$50.00

  • Type Of Manual: Shop Manual
  • Manual ID: SEBM025000
  • Format: PDF
  • Size: 12.3MB
  • Number of Pages: 255

Description

  • Model List:

    • PC03-2 Hydraulic Excavator
  • 0.1. HOW TO READ THE SHOP MANUAL
  • 0.2. HOISTING INSTRUCTIONS
  • 0.3. STANDARD TIGHTENING TORQUE
  • 0.4. COATING MATERIALS
  • 0.5. ELECTRIC WIRE CODE
  • 0.6. COVERSION TABLE
  • 1. GENERAL
  • 1.1. GENERAL ASSEMBLY DRAWING
  • 1.2. SPECIFICATIONS
  • 1.3. WEIGHT TABLE
  • 1.4. LIST OF LUBRICANT AND WATER
  • 1.5. HYDRAULIC PIPING
  • 1.6. HYDRAULIC DIAGRAM
  • 1.7. HYDRAULIC TANK
  • 1.8. HYDRAULIC PUMP
  • 1.9. SPOOL CONTROL VALVE
  • 1.10. SWING MOTOR
  • 1.11. CENTER SWIVEL JOINT
  • 1.12. TRAVEL MOTOR
  • 1.13. VALVE CONTROL
  • 1.14. HYDRAULIC CYLINDER
  • 1.15. WORK EQUIPMENT
  • 1.16. ELECTRICAL CIRCUIT DIAGRAM
  • 2. TESTING AND ADJUSTING
  • 2.1. STANDARD VALVE TABLE FOR ENGINERELATED PARTS
  • 2.2. STANDARD VALVE TABLE FOR CHASSISRELATED PARTS
  • 2.3. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
  • 2.4. MEASURING ENGINE SPEED
  • 2.5. MEASURING ENGINE OIL PRESSURE
  • 2.6. ADJUSTING VALVE CLEARANCE
  • 2.7. MEASURING COMPRESSION PRESSURE
  • 2.8. TESTING AND ADJUSTING FUEL INJECTION TIMING
  • 2.9. TESTING AND ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
  • 2.10. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
  • 2.11. BLEEDING AIR FROM HYDRAULIC CYLINDERS
  • 2.12. TROUBLESHOOTING
  • 2.12.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
  • 2.12.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
  • 2.12.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
  • 2.12.4. CHECKS BEFORE TROUBLESHOOTING CHARTS
  • 2.12.5. METHOD OF USING TROUBLESHOOTING CHARTS
  • 2.12.6. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
  • 2.12.6.1. H1 SPEEDS OF ALL WORK EQUIPMENT, TRAVELING, SWINGING ARE SLOW OR LACK POWER
  • 2.12.6.2. H2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS WORK EQUIPMENT TRAVELING, SWINGING DO NOT FUNCTION OR ARE
  • 2.12.6.3. H3 ABNORMAL NOISE GENERATED (FROM AROUND PUMP)
  • 2.12.6.4. H4 CONTROL LEVER IS HEAVY
  • 2.12.6.5. H5 WORK EQUIPMENT (BOOM, ARM, BUCKET ) IS SLOW EXCESSIVE HYDRAULIC DRIFT
  • 2.12.6.6. H6 WORK EQUIPMENT (BOOM, ARM, BUCKET ) LACKS POWER
  • 2.12.6.7. H7 EXCESSIVE TIME LAG
  • 2.12.6.8. H8 WHEN MACHINE IS TRAVELING, IT DEVIATES NATURALLY TO ONE SIDE
  • 2.12.6.8.1. DEVIATES IN SAME DIRECTION IN BOTH FORWARD AND REVERSE
  • 2.12.6.8.2. DEVIATES IN DIFFERENT DIRECTIONS IN BOTH FORWARD AND REVERSE
  • 2.12.6.9. H9 TRAVEL LACKS POWER (OR SPEED IS SLOW
  • 2.12.6.10. H10 MACHINE DOES NOT MOVE (ONE SIDE ONLY)
  • 2.12.6.11. H11 DOES NOT SWING
  • 2.12.6.12. H12 SWING SPEED IS SLOW OR ACCELERATION IS POOR
  • 2.12.6.13. H13 EXCESSIVE OVERRUN WHEN STOPPING SWING
  • 2.12.6.14. H14 EXCESSIVE SHOCK WHEN STOPPING SWING
  • 2.12.6.15. H15 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING
  • 2.12.6.16. H16 EXCESSIVE HYDRAULIC DRIFT OF SWING
  • 2.12.6.17. H17 EXCESSIVE HYDRAULIC DRIFT OF BOOM SWING
  • 2.12.6.18. TABLE OD FAILURE MODES AND CAUSES
  • 2.12.7. TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)
  • 2.12.7.1. M1 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP
  • 2.12.7.2. M2 WHEN ENGINE IS RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP (ENGINE OIL PRESSURE IS NORMAL)
  • 2.12.7.3. M3 THE ENGINE COOLING WATER TEMPERATURE CASUTION LAMP WILL LIGHT ON, WHEN TURNING THE ENGINE STARTING SWITCH ON
  • 2.12.7.4. M4 THE WORKING LAMP DOES NOT LIGHT ON, EVEN THOUGH THE LAMP SWITCH IS TURNED ON
  • 2.12.8. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
  • 2.12.8.1. E1 THE ENGINE DOES NOT START, EVEN THOUGH THE ENGINE STARTING SWITCH IS TURNED ON
  • 2.12.8.1.1. WHEN THE ENGINE STARTING MOTOR DOES NOT ROTATE NORMALLY
  • 2.12.8.1.2. WHEN THE ENGINE STARTING MOTOR ROTATES NORMALLY
  • 2.12.8.2. E2 THE ENGINE DOES NOT STOP, EVEN THOUGH THE ENGINE STARTING SWITCH IS TURNED OFF
  • 3. DISASSEMBLY AND ASSEMBLY
  • 3.1. METHOD OF USING MANUAL
  • 3.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
  • 3.3. SPECIAL TOOL LIST
  • 3.4. RADIATOR
  • 3.4.1. REMOVAL AND INSTALLATION
  • 3.5. CENTER SWIVEL JOINT
  • 3.5.1. DISASSEMBLY AND ASSEMBLY
  • 3.6. BATTERY
  • 3.6.1. REMOVAL AND INSTALLATION
  • 3.7. ENGINE, MAIN PUMP
  • 3.7.1. REMOVAL AND INSTALLATION
  • 3.8. TRAVEL MOTOR
  • 3.8.1. REMOVAL AND INSTALLATION
  • 3.9. SPROCKET
  • 3.9.1. REMOVAL AND INSTALLATION
  • 3.10. SWING MOTOR
  • 3.10.1. REMOVAL AND INSTALLATION
  • 3.11. REVOLVING FRAME
  • 3.11.1. REMOVAL AND INSTALLATION
  • 3.12. SWING CIRCLE
  • 3.12.1. REMOVAL AND INSTALLATION
  • 3.13. IDLER
  • 3.13.1. REMOVAL AND INSTALLATION
  • 3.14. IDLER
  • 3.14.1. DISASSEMBLY AND ASSEMBLY
  • 3.15. TRACK ROLLER
  • 3.15.1. REMOVAL AND INSTALLATION
  • 3.16. TRACK ROLLER
  • 3.16.1. DISASSEMBLY AND ASSEMBLY
  • 3.17. RUBBER SHOE
  • 3.17.1. REMOVAL AND INSTALLATION
  • 3.18. MAIN PUMP
  • 3.18.1. REMOVAL AND INSTALLATION
  • 3.19. SPOOL CONTROL VALVE
  • 3.19.1. REMOVAL AND INSTALLATION
  • 3.20. SPOOL CONTROL VALVE
  • 3.20.1. DISASSEMBLY
  • 3.21. ARM CYLINDER
  • 3.21.1. REMOVAL AND INSTALLATION
  • 3.22. BUCKET CYLINDER
  • 3.22.1. REMOVAL AND INSTALLATION
  • 3.23. BOOM CYLINDER
  • 3.23.1. REMOVAL AND INSTALLATION
  • 3.24. BOOM SWING CYLINDER
  • 3.24.1. REMOVAL AND INSTALLATION
  • 3.25. BLADE CYLINDER
  • 3.25.1. REMOVAL AND INSTALLATION
  • 3.26. WORK EQIPMENT
  • 3.26.1. REMOVAL AND INSTALLATION
  • 3.27. BUCKET
  • 3.27.1. REMOVAL AND INSTALLATION
  • 3.28.1. REMOVAL AND INSTALLATION
  • 3.29. BOOM
  • 3.29.1. REMOVAL
  • 3.29.2. INSTALLATION
  • 3.30. BLADE
  • 3.30.1. REMOVAL AND INSTALLATION
  • 3.31. FUEL TANK
  • 3.31.1. REMOVAL AND INSTALLATION
  • 3.32. MACHINE COVER
  • 3.32.1. REMOVAL
  • 3.32.2. INSTALLATION
  • 3.33. HYDRAULIC TANK
  • 3.33.1. REMOVAL AND INSTALLATION
  • 3.34. MONITOR PANEL
  • 3.34.1. REMOVAL AND INSTALLATION
  • 3.35. COUNTERWEIGHT
  • 3.35.1. REMOVAL AND INSTALLATION
  • 4. MAINTENANCE STANDARD
  • 4.1. CENTER SWIVEL JOINT
  • 4.2. SPOOL CONTROL VALVE
  • 4.3. TRAVEL MOTOR
  • 4.4. HYDRAULIC CYLINDER
  • 4.5. WORK EQUIPMENT
  • 5. ENGINE
  • 5.1. CONTENTS
  • 5.2. SPECIFICATIONS AND PERFORMANCE
  • 5.3. CROSS SECTIONAL VIEWS
  • 5.3.1. SPECIAL SWIRL PRECOMBUSTION CHAMBER SYSTEM
  • 5.4. COOLING WATER, LUBRICATING OIL AND FUEL OIL
  • 5.4.1. COOLING WATER
  • 5.4.2. LUBRICATING OIL
  • 5.4.3. FUEL OIL
  • 5.5. TROUBLESHOOTING
  • 5.5.1. TROUBLE CAUSES AND REMEDIES
  • 5.5.2. TROUBLE DIAGNOSIS THROUGH MEASUREMENT OF COMPRESSION PRESSURE
  • 5.6. SPECIAL SERVICE TOOLS
  • 5.6.1. SPECIAL SERVICE TOOLS
  • 5.6.2. MEASURING INSTRUMENTS
  • 5.7. MEASUREMENT, INSPECTION AND ADJUSTMENT
  • 5.7.1. MEASURING THE COMPRESSION PRESSURE
  • 5.7.2. ADJUSTING THE VALVE HEAD
  • 5.7.3. CHECKING THE VBELT TENSION
  • 5.7.4. MEASURING AND CHECKING THE INJECTION PRESSURE AND SPRAY PATTERNS OF THE FUEL INJECTION VALVE
  • 5.7.5. CHECKING AND ADJUSTIONG THE FUEL INJECTION TIMING
  • 5.7.6. ADJUSTING THE NOLOAD MAXIMUM (OR MINIMUM) REVOLUTIONS
  • 5.7.7. CHECKING THE COOLING WATER SYSTEM AND RADIATOR FOR LEAKAGE
  • 5.7.8. CHECKING THE BATTERY
  • 5.7.9. CHECKING SENSORS
  • 5.7.10. CHECKING THE OIL COOLER
  • 5.7.11. CHECKING THE PISTON COOLING NOZZLE
  • 5.8. MEASURING PROCEDURES, SERVICE DATA AND CORRECTIVE ACTION
  • 5.8.1. CYLINDER HEAD
  • 5.8.2. CYLINDER BLOCK
  • 5.8.3. VALVE ROCKER ARM
  • 5.8.4. PISTON AND PISTON RING
  • 5.8.5. CONNECTING ROD
  • 5.8.6. CAMSHAFT
  • 5.8.7. CRANKSHAFT
  • 5.8.8. GEARS
  • 5.8.9. TROCHOID PUMP
  • 5.9. DISASSEMBLY AND REASSEMBLY
  • 5.9.1. DISASSEMBLY
  • 5.9.2. PRECAUTIONS BEFORE AND DURING REASSEMBLY
  • 5.10. SERVICE DATA
  • 5.10.1. CYLINDER HEAD
  • 5.10.2. CYLINDER BLOCK
  • 5.10.3. VALVE ROCKER ARM
  • 5.10.4. PISTON
  • 5.10.5. PISTON RING
  • 5.10.6. CONNECTING ROD
  • 5.10.7. CAMSHAFT
  • 5.10.8. CRANKSHAFT
  • 5.10.9. SIDE GAP AND BACKLASH
  • 5.10.10. OTHERS
  • 5.11. TIGHENING TORQUJE
  • 5.11.1. MAIN BOLT/NUT
  • 5.11.2. STANDARD BOLT AND NUT
  • 5.12. FUEL INJECTION PUMP FOR INDIRECT INJECTION SYSTEM
  • 5.12.1. EXPLODED VIEWS (YPFR TYPE)
  • 5.12.2. DISASSEMBLY
  • 5.12.3. INSPECTION
  • 5.12.4. REASSEMBLY
  • 5.13. GOVERNOR
  • 5.13.1. EXPLODED VIEWS OF GOVERNOR FOR INDIRECT INJECTION SYSTEM
  • 5.13.2. DISASSEMBLY
  • 5.13.3. INSPECTION
  • 5.13.4. REASSEMBLY
  • 5.14. ATTACHED DRAWING 1. EXPLODED VIEWS OF ENGINE COMPONENTS
  • 5.15. ATTACHED DRAWING 2. EXPLODED VIEWS OF ENGINE COMPONENTS
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