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Yanmar 3JH3, 4JH3 marine diesel engine service manual Preview image 1
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Yanmar 3JH3, 4JH3 marine diesel engine service manual

Models covered in this manual:

  • 3JH3 (B)(C)E(A)
  • 4JH3 (B)(C)E
  • 4JH3 CE1
  • Catalina 310 sailboat
  • Catalina 320 sailboat
  • Catalina 350 sailboat
  • Catalina 36 sailboat
  • Island Packet 320 sailboat
  • Island Packet 370 sailboat
  • Island Packet 380 sailboat
  • Beneteau Oceanis 321 sailboat
  • Beneteau Oceanis 343 sailboat
  • Beneteau Oceanis 361 sailboat
  • Beneteau Oceanis 381 sailboat

Serial numbers:

  • Yanmar 3JH3:

    • 3JH3E: 00101 to 99999
    • 3JH3BE: 00101 to 99999
    • 3JH3CE: 00101 to 99999
  • Yanmar 4JH3:

    • 4JH3E: 00101 to 99999
    • 4JH3BE: 00101 to 99999
    • 4JH3CE: 00101 to 99999

File specifications

File size: 11.79 MB
File type: PDF
Language: English
Number of pages: 305

Printable: Yes
Estimated download time: 0.24 Minutes
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Product Information

Table of Contents

1. General Information

  • Safety Information
  • General Service Procedures
  • Engine Identification

2. Specifications

  • Engine Specifications
  • Torque Specifications
  • Clearances and Tolerances

3. Disassembly and Reassembly

  • Engine Disassembly
  • Engine Reassembly
  • Critical Fasteners and Torque Settings

4. Maintenance

  • Routine Engine Maintenance
  • Troubleshooting
  • Maintenance Schedule

5. Fuel System

  • Fuel Injection System Maintenance
  • Adjustments
  • Troubleshooting Fuel System Issues

6. Lubrication System

  • Oil Change Procedures
  • Oil Pump Inspection
  • Lubrication System Maintenance

7. Cooling System

  • Coolant Replacement
  • Radiator Cleaning
  • Thermostat Maintenance

8. Electrical System

  • Starter System
  • Alternator Service
  • Electrical Connections and Wiring

9. Turbocharger (if applicable)

  • Turbo Inspection
  • Maintenance
  • Troubleshooting

10. Exhaust System

  • Exhaust Manifold Inspection
  • Corrosion Prevention
  • Exhaust System Repair

11. Control Systems

  • Control Panel Operations
  • Linkage Adjustments
  • Sensor Calibrations

12. Appendix

  • Special Tools
  • Service Bulletins
  • Warranty Information

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