Komatsu N-855 Series Diesel Engine Shop Manual SEBE6710A03

Description

• Model List:
  • N-855 Series Diesel Engine

• 0.1. ASSEMBLY DRAWING
• 0.2. PERFORMANCE CURVE
• 0.3. WEIGHT TABLE
• 1. STRUCTURE AND FUNCTION
• 1.1. CONTENTS
• 1.2. GENERAL STRUCTURE
• 1.3. INTAKE AND EXHAUST SYSTEM
• 1.3.1. MAIN CIRCULATION SYSTEM
• 1.3.2. TIMING GEAR
• 1.3.3. CAMSHAFT, CAM FOLLOWER AND PUSH ROD
• 1.3.4. INJECTION TIMING, VALVE TIMING
• 1.3.5. FLYWHEEL AND FLYWHEEL HOUSING
• 1.4. LUBRICATION SYSTEM
• 1.4.1. LUBRICATION SYSTEM CHART
• 1.4.2. OIL PUMP
• 1.4.3. OIL FILTER AND OIL COOLER
• 1.4.4. FULLFLOW FILTER
• 1.4.5. BYPASS FILTER
• 1.4.6. OIL COOLER
• 1.5. FUEL SYSTEM
• 1.5.1. FUEL SYSTEM CHART
• 1.5.2. PT FUEL PUMP
• 1.5.3. PT FUEL PUMP DRIVE
• 1.5.4. INJECTOR
• 1.5.5. FUEL FILTER
• 1.5.6. WATER SEPARATOR
• 1.5.7. ANEROID CONTROL VALVE
• 1.6. COOLING SYSTEM
• 1.6.1. COOLING SYSTEM CHART
• 1.6.2. WATER PUMP
• 1.6.3. FAN DRIVE
• 1.6.4. TENSION PULLEY
• 1.6.5. THERMOSTAT
• 1.6.6. CORROSION RESISTOR
• 1.7. ACCESSORY
• 1.7.1. AIR COMPRESSOR
• 1.8. ELECTRICAL SYSTEM
• 1.8.1. ALTERNATOR
• 1.8.2. STARTING MOTOR
• 1.8.3. ELECTRICAL INTAKE AIR HEATER
• 2. TESTING AND ADJUSTING
• 2.1. CONTENTS
• 2.2. TESTING AND ADJUSTING INJECTOR AND VALVE CLEARANCE
• 2.3. MEASURING COMPRESSION PRESSURE
• 2.4. MEASURING BLOWBY PRESSURE
• 2.5. MEASURING OIL CONSUMPTION
• 2.6. MEASURING FUEL PRESSURE
• 2.7. PT PUMP CALIBRATION DATA
• 2.8. PT FUEL PUMP PARTS SPECIFICATION
• 2.9. INJECTOR SPECIFICATION
• 2.10. RUNIN STANDARD
• 2.11. PERFORMANCE TEST CRITERIA
• 2.12. TESTING AND ADJUSTING TOOL LIST
• 2.13. TESTING AND ADJUSTING DATA
• 2.14. TROUBLESHOOTING
• 3. DISASSEMBLY AND ASSSEMBLY
• 3.1. CONTENTS
• 3.2. GENERAL DISASSEMBLY
• 3.3. GENERAL ASSEMBLY
• 3.4. WATER PUMP ASSEMBLY
• 4. MAINTENANCE STANDARD
• 4.1. CONTENTS
• 4.2. INTAKE AND EXHAUST SYSTEM
• 4.2.1. TURBOCHARGER
• 4.3. ENGINE BODY
• 4.3.1. CYLINDER HEAD
• 4.3.2. VALVE, VALVE GUIDE
• 4.3.3. CROSSHEAD AND CROSSHEAD GUIDE
• 4.3.4. ROCKER LEVER, SHAFT
• 4.3.5. CYLINDER BLOCK
• 4.3.6. CRANKSHAFT AND VIBRATION DAMPER
• 4.3.7. CYLINDER LINER
• 4.3.8. CAMSHAFT
• 4.3.9. CAM FOLLOWER AND PUSH ROD
• 4.3.10. GEAR AND GEAR COVER
• 4.3.11. CONNECTING ROD
• 4.3.12. PISTON, PISTON RING, PISTION PIN
• 4.3.13. FLYWHEEL, FLYWHEEL HOUSING, REAR COVER
• 4.4. LUBRICATION SYSTEM
• 4.4.1. OIL PUMP
• 4.5. COOLING SYSTEM
• 4.5.1. WATER PUMP AND IDLER PULLEY
• 5. REPAIR AND REPLACEMENT
• 5.1. CONTENTS
• 5.2. CYLINDER HEAD
• 5.2.1. GRINDING AND CORRECTING CYLINDER HEAD MOUNTING FACE
• 5.2.2. REPLACING VALVE SEAT INSERTS
• 5.2.3. GRINDING AND CORRECTING VALVE SEATS SURFACE
• 5.2.4. REPLACING INJECTOR SLEEVES
• 5.2.5. REPLACING VALVE GUIDES
• 5.2.6. REPLACING CROSSHEAD GUIDES
• 5.2.7. GRINDING AND CORRECTING VALVES
• 5.2.8. REPLACING ROCKER LEVER BUSHINGS
• 5.3. CYLINDER BLOCK
• 5.3.1. GRINDING AND CORRECTING TOP FACE OF CYLINDER BLOCK
• 5.3.2. CORRECTING CYLINDER LINER COUNTERBORE
• 5.3.3. REPLACING MAIN BEARING CAPS
• 5.3.4. GRINDING AND CORRECTING CRANKSHAFT
• 5.3.5. CORRECTING SLEEVES AT CRANKSHAFT REAR SEAL
• 5.3.6. REPLACING CAMSHAFT BUSHING
• 5.3.7. REPLACING CONNECTING ROD BUSHING
• 5.3.8. REPLACING CAM FOLLOWER LEVER BUSHING
• 5.3.9. REPLACING CRANKSHAFT GEAR
• 5.3.10. REPLACING CAMSHAFT GEAR
• 5.3.11. REPLACING FLYWHEEL RING GEAR
• 6. OTHERS
• 6.1. CONTENTS
• 6.2. STANDARD TIGHTENING TORQUE
• 6.3. ADHESIVE COMPOUND