Yanmar 12AYM-WGT, 12AYM-WET, 12AYM-WST Marine Propulsion Engine Service Manual

Description

• Model List:
  • 12AYM-WGT, 12AYM-WET, 12AYM-WST Marine Propulsion Engine

• 1. Contents
• 2. For Your Safety
• 2.1. Safety Precautions
• 2.2. Location of Safety Decals (Warning Labels)
• 2.3. Safety Precautions when Lifting the Engine
• 3. Engine Specifications
• 3.1. Location of Components
• 3.2. Piping Diagram
• 3.3. Fuel Oil, Lubricating Oil and Coolant
• 3.4. SI Unit Conversions
• 4. Disassembly and Assembly
• 4.1. Precautions for Disassembly and Reassembly
• 4.2. Disassembly and Reassembly Tools
• 4.3. Disassembly Procedures
• 4.4. Reassembly
• 5. Inspecting and Servicing of Engines Major Parts
• 5.1. Preliminaries
• 5.2. Standard for Parts Replacement (Including Correction)
• 5.3. Cylinder Head
• 5.4. Cylinder Block
• 5.5. Cylinder Liner
• 5.6. Pistons
• 5.7. Connecting Rods
• 5.8. Camshaft and Tappets
• 5.9. Crankshaft and Main Bearing
• 5.10. Oil Seal of the Crankshaft
• 5.11. Timing Gear
• 5.12. Viscous Damper
• 5.13. Fuel Injection Equipment
• 5.14. Disassembly, Reassembly and Inspection of the Fuel Injection Pump
• 5.15. Connecting Link between Fuel Injection Pump and Hydraulic Governor
• 5.16. Fuel Feed Pump
• 5.17. Adjustment of the Injection Timing
• 5.18. Fuel Injector
• 5.19. Boost Compensator
• 5.20. Fuel Filter
• 5.21. Lubricating Oil System
• 5.22. Cooling Water System
• 5.23. Turbocharger
• 5.24. Electrical System
• 5.25. Hydraulic Governor
• 5.26. Starting Air Motor (Special Order)
• 6. Maintenance Inspections
• 6.1. Precautions for Maintenance and Inspections
• 6.2. Periodic Maintenance Schedule
• 7. Storage Standard
• 8. Troubleshooting and Countermeasures
• 8.1. Starting Failure
• 9. Reference Adjustment Value
• 10. Service Reference Table
• 11. Tightening Torques for Major Bolts and Nuts
• 12. Test Running