Komatsu 12V170-2 Series Diesel Engine Shop Manual SEBM036601

Description

• Model List:
  • 12V170-2 Series Diesel Engine

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. APPLICABLE MACHINE
• 3.2. SPECIFICATIONS
• 3.3. GENERAL ASSEMBLY DRAWING
• 3.4. WEIGHT TABLE
• 3.5. ENGINE PERFORMANCE CURVE
• 4. STRUCTURE AND FUNCTION
• 4.1. GENERAL STRUCTURE
• 4.2. MAIN REVOLVING PART
• 4.3. VALVE SYSTEM
• 4.4. TIMING GEAR
• 4.5. FLYWHEEL AND FLYWHEEL HOUSING
• 4.6. LUBRICATION SYSTEM CHART
• 4.7. OIL PUMP
• 4.8. OIL FILTER, SAFETY VALVE
• 4.9. BYPASS FILTER
• 4.10. OIL COOLER
• 4.11. OIL COOLER BYPASS VALVE
• 4.12. PISTON COOLING VALVE
• 4.13. FUEL SYSTEM CHART
• 4.14. FUEL INJECTION PUMP
• 4.15. FUEL PIPING
• 4.16. FUEL INJECTION PUMP DRIVE
• 4.17. FUEL INJECTION NOZZLE
• 4.18. FUEL FILTER
• 4.19. COOLING SYSTEM CHART
• 4.20. WATER PUMP
• 4.21. WATER PUMP DRIVE
• 4.22. THERMOSTAT
• 4.23. CORROSION RESISTOR
• 4.24. FAN DRIVE AND TENSION PULLEY
• 4.25. ALTERNATOR
• 4.26. STARTING MOTOR
• 4.27. STARTING AID
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR TESTING,ADJUST AND TROUBLESHOOTING
• 5.2. TESTING AND ADJUSTING TOOL LIST
• 5.3. ADJUSTING VALVE CLEARANCE
• 5.4. TESTING AND ADJUSTING OF FUEL INJECTION TIMING(WITH KOMATSU ELECTRONICAL GOVERNOR)
• 5.5. MEASURING COMPRESSION PRESSURE
• 5.6. MEASURING BLOWBY
• 5.7. ADJUSTING FUEL INJECTION PRESSURE (VALVE CRACKING PRESSURE)
• 5.8. INSTALLING ENGINE SPEED SENSOR (WITH ELECTRONIC GOVERNOR)
• 5.9. TESTING AND ADJUSTING ALTERNATOR BELT AND FAN BELT
• 5.10. DATA FOR FUEL INJECTION PRESSURE ADJUSTMENT SHIMS
• 5.11. FUEL INJECTION PUMP CALIBRATION DATA
• 5.12. PERFORMANCE TEST
• 5.13. PERFORMANCE TEST CRITERIA
• 5.14. TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM(E MODE)
• 5.15. TROUBLESHOOTING (SMODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. GENERAL DISASSEMBLY
• 6.5. CLEANING
• 6.6. MEASURING PARTS
• 6.7. GENERAL ASSEMBLY
• 7. MAINTENANCE STANDARD
• 7.1. TURBOCHARGER
• 7.2. CYLINDER HEAD
• 7.3. VALVES AND VALVE GUIDE
• 7.4. CROSSHEAD AND CROSSHEAD GUIDE
• 7.5. ROCKER ARM SHAFT
• 7.6. PUSH ROD AND CAM FOLLOWER
• 7.7. FLYWHEEL,FLYWHEEL HOUSING
• 7.8. OIL PUMP
• 7.9. OIL PUMP RELIEF VALVE,PISTON COOLING VALVE,OIL COOLER BYPASS VALVE AND OIL FILTER SAFETY VALVE
• 7.10. WATER PUMP
• 7.11. THERMOSTAT
• 8. REPAIR AND REPLACEMENT OF PARTS
• 8.1. TABLE OF SPECIAL TOOLS
• 8.2. TESTING AND INSPECTING CYLINDER HEAD
• 8.3. REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING
• 8.4. REPLACING VALVE SEAT INSERTS
• 8.5. REPLACING NOZZLE HOLDER SLEEVE
• 8.6. CYLINDER HEAD PRESSURE TEST METHOD
• 8.7. REPLACING VALVE GUIDE
• 8.8. REPLACING CROSS HEAD GUIDE
• 8.9. GRINDING VALVE
• 8.10. TESTING AND INSPECTING CYLINDER BLOCK
• 8.11. GRINDING TOP SURFACE OF CYLINDING BLOCK
• 8.12. REPLACING MAIN BEARING CAP
• 8.13. REPLACING CAM BUSHING
• 8.14. TESTING CRANKSHAFT
• 8.15. CORRECTING SURFACE ROUGHNESS OF CRANKSHAFT JOURNAL PORTION
• 8.16. GRINDING CRANKSHAFT
• 8.17. TESTING AND INSPECTING CONNECTING ROD
• 8.18. REPLACING CONNECTING ROD SMALL END BUSHING
• 8.19. REPLACING CAMSHAFT GEAR
• 8.20. REPLACING FLYWHEEL RING GEAR