Yanmar 4JH3-TE, 4JH3-HTE, 4JH3-DTE Marine Diesel Engine Service Manual

Description

• Model List:
  • 4JH3-TE, 4JH3-HTE, 4JH3-DTE Marine Diesel Engine

• 1. FOREWORD
• 2. CONTENTS
• 2.1. To Perform Service Safely
• 2.1.1. Warning Symbols
• 2.1.2. Safety Precautions
• 2.1.3. Location of Product Safety Labels
• 2.2. General Description
• 2.2.1. Principal Particulars
• 2.2.2. Appearance and Names of Parts
• 2.2.3. Cross-sectional Drawing
• 2.2.4. Piping Diagram
• 2.2.5. Performance Curves
• 2.2.6. Front Power Take-off
• 2.2.7. Fuel Oil
• 2.2.8. Lube Oil
• 2.2.9. Cooling Water
• 2.3. Overhaul
• 2.3.1. Operating Cautions
• 2.3.2. Overhaul Preparations
• 2.3.3. Overhaul
• 2.3.4. Cylinder Head
• 2.3.4.1. Combustion surface
• 2.3.4.2. Valve seat
• 2.3.4.3. Suction/exhaust valve and valve guide
• 2.3.4.4. Valve spring
• 2.3.4.5. Valve arm and push rod
• 2.3.4.6. Installing the cylinder head
• 2.3.5. Piston
• 2.3.5.1. Piston
• 2.3.5.2. Piston Pin
• 2.3.5.3. Piston ring
• 2.3.6. Cylinder Block
• 2.3.7. Connecting Rod
• 2.3.7.1. Connecting rod
• 2.3.7.2. Crank pin metal
• 2.3.7.3. Piston pin bushing
• 2.3.7.4. Assembling piston and connecting rod
• 2.3.8. Crankshaft and Main Bearning
• 2.3.8.1. Crankshaft
• 2.3.8.2. Main bearing
• 2.3.9. Camshaft and Tappet
• 2.3.9.1. Camshaft
• 2.3.9.2. Tappet
• 2.3.10. Gear Train
• 2.3.10.1. Check on gears
• 2.3.10.2. Idler gear
• 2.3.11. Lubrication System
• 2.3.11.1. Lubricating oil path diagram
• 2.3.11.2. Lubricating oil pump
• 2.3.11.3. Pressure regulating valve and lubricating oil filter
• 2.3.11.4. Lubricating oil cooler
• 2.3.11.5. Piston cooling oil nozzle
• 2.3.12. Cooling Water System
• 2.3.12.1. Cooling water system
• 2.3.12.2. Sea water pump
• 2.3.12.3. Servicing standards for sea water pump
• 2.3.12.4. Fresh water pump and thermostat
• 2.3.12.5. Fresh water cooler
• 2.3.13. Fuel System
• 2.3.13.1. Fuel Injection Pump
• 2.3.13.2. Fuel Injection Nozzle
• 2.3.13.3. Procedures for adjusting the injection timing
• 2.3.14. Electrical Equipment
• 2.3.14.1. Wiring Diagram
• 2.3.14.2. Starter
• 2.3.14.3. Alternator
• 2.3.15. Turbocharger
• 2.3.15.1. Particulars and structure
• 2.3.15.2. Checking and servicing procedures
• 2.4. Troubleshooting
• 2.4.1. Does not Start or Difficult to Start
• 2.4.2. Unsmooth Revolution
• 2.4.3. Sudden Engine Stop
• 2.4.4. Poor Exhaust Gas Color
• 2.4.5. Insufficient Output
• 2.4.6. Uneven Cylinder Outputs
• 2.4.7. Knocking
• 2.4.8. Trouble with Breakdown
• 2.4.9. Other Malfunctions
• 2.5. Periodic Checking List
• 2.6. Tool and Measuring Instrument
• 2.6.1. Tool
• 2.6.2. Measuring instrument
• 2.7. Service Specifications
• 2.7.1. Engine adjusting standards
• 2.7.2. Service Standards
• 2.8. Instrument Panel(Option)
• 3. COLOPHON
• 4. BACK COVER