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  1. M

    Help! The starters are not the problem - it's the wiring!!!!

    Install slave relays at the engines. Common problem
  2. M

    Onan MDKAF dies when start button is released

    The shut down scenarios go like this. Oil pressure fault High coolant temp High voltage Low voltage Low frequency High frequency All work through a several second inhibit That, to lesson nuisance shut downs Immediate stoppage on release of start button is no a.c. Output, or, the controller...
  3. M

    Westerbeke engines repair manual

    Go to www.westerbeke.com It’s free public site Look under products Engines Open up your engine You will find Installation Owner Parts Service It’s all free
  4. M

    Cummings VT 900 M

  5. M

    Cummings VT 900 M

    What is the serial you have
  6. M

    I have an 1981 PT 38 Trawler, 2" shaft, Perkins 185 aspirated, turbo,

    Hi Rich Cummins Marine provides factory reconditioned engines. They have a comprehensive warranty and an extended warranty is available. You can still get mechanically fuel 5.9 sizes as well as the 4 b t. The age of your boat makes it legal to still use mechanical injection. If you wish, and i...
  7. M

    Oil Pressure Sending Unit Wiring - Perkins 6.354

    Sorry for late reply. It’s been hectic. Remove the switches with engine cold and of course not running. You may get a tiny trickle but not much more. Thread tape can make its way into oil galleries. Clean the threads with denatured alcohol or acetone or the like. Get a bottle of permatex...
  8. M

    Timeline/digest of an oil fault caused by an electrical design failure

    It’s not just boat mechanics that are slim pickings these days. It’s across society.
  9. M

    Oil Pressure Sending Unit Wiring - Perkins 6.354

    3 is the pressure sensor for the instrument. Perkins used lots of isolated ground systems on their engines. This sensor is an isolated ground type. A.C. Delco manufactured analog gauges that operated inverse to ground. When they were powered by battery but no sensor connected, they would swing...
  10. M

    Tensioner Pulley Seized

    suggest looking at the condition of the rubber exhaust hose on the exhaust elbow. that, in case your engine is fitted with water injected exhaust. most engines with raw water pumps are heat exchange cooled and seawater injected exhaust system. the rubber exhaust hose is sensitive to running with...
  11. M

    Generator hard start

    Your engine has glow plugs but Kohler did not wire them in for operation unless spec’d that way. Check that the fuel return pipe, inside the tank is immersed in fuel. Air can migrate back if it’s not in fuel. Other than that, rig up a short section of clear tubing and temporarily install it in...
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