Volvo Penta Marine Engine (230, 250, 251DOHC, AQ131, AQ151, AQ171) Workshop Manual

Volvo Penta Marine Engine (230, 250, 251DOHC, AQ131, AQ151, AQ171) Workshop Manual with high-quality graphics and illustrations.

Format: PDF

Pages: 102

Delivery: The download link will instantly be sent to your email after checkout.

Coverage:

• 230, 250, 251DOHC
• AQ131, AQ151, AQ171

Contents:

• Safety Precautions
• General information
• Repair instructions
• Presentation
• Trouble-shooting Scheme
• Overhaul Data
• Special Tools
• Electrical System
  • Wiring Diagram AQ131, AQ151, 230, 250 Alt 1
  • Wiring Diagram 230, 250 Alt 2
  • Wiring Diagram AQ171, 251DOHC Alt1
  • Wiring Diagram 251DOHC Alt 2
• 4A Fuel System
  • Trouble shooting and Remedies Fuel System
  • Overhauling and checking the carburetor
• Renix Ignition System
  • Trouble-shooting and repair ignition system 251DOHC, AQ171
• Cylinder Head
  • Removal of teh external components
• Cooling System
  • Overhauling the heat exchanger
  • Overhauling the sea water pump
  • Check the thermostat
• Overhauling the valve system
  • Overhauling the valve system 230, 250, AQ131, AQ151
  • Adjusting the valves 230, 250, AQ131, AQ151
  • Valve system 251DOHC, AQ171 Technical Description
  • Overhauling the valve system 251DOHC, AQ171
• Installing the toothed belt
  • Installing the toothed belt 230, 250, AQ131, AQ151
  • Installing the toothed belt 251DOHC, AQ171
• Installing the external components of the Cylinder Head
• Cylinder Block
• Removing the external components
• Overhauling the Crank Assembly
  • The lubricating oil pump Overhauling
• Installing the external components
  • Overhauling the oil cooler 250, 251DOHC, AQ151, AQ171