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912uls Oil pressure vale change

in General Tech Discussion 9 years ago

  • Re: 912uls Oil pressure vale change

    by » 9 years ago

    Hi John,

    I usually suspect the sender first as it is the most common for erroneous pressure readings. I would do exactly what you are suggesting is to replace the sender.

    Have you put a mechanical gauge inline to see if the pressure matches?

    No oil purge needed if you change the sender.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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  • Re: 912uls Oil pressure vale change

    by » 9 years ago

    I needed up remote mounting my oil pressure sending unit due to repeated damage from engine vibrations.
      
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  • Re: 912uls Oil pressure vale change

    by » 9 years ago

    Hi Roger after another look this afternoon I have found the problem it was a faulty connector on the wire which goes back to the gauge it had corroded enough to cause resistance, after cutting it of and putting on a new one the engine was run for 30 min at various power setting all seems well now, just waiting for the weather to come right to carry out a flight test.

    Thanks again for all your help
      
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  • Re: 912uls Oil pressure vale change

    by » 9 years ago

    Glad you found your problem. Wires and connections should always be suspect until proven otherwise.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
    Report

  • Re: 912uls Oil pressure vale change

    by » 9 years ago

    Thanks roger for all your help I will now carry out full inspection of the electric terminals, and get a better pair of glasses :) lessoned learnt .
      
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