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Thread: OP sender location/ installation

  1. #1

    OP sender location/ installation

    The manual calls for a "restrictor hole" in the engine location where the OP sensor taps into.
    My p/u point is a 1/8" npt port in my FW located remote filter/thermostat incoming oil galley. I am mounting the OP transducer in this port. The transducer itself looks like it has about an .020 hole in it. Is there a need to further restrict oil at the remote filter port? Why?

    Thanks,
    John

  2. #2
    John, the idea of a restrictor is to dampen any pulsations as well as prevent a large leak if that line were to break. Adding a restrictor is not mandatory, but recommended.
    ---
    Trevor Conroy
    Technical Support
    Advanced Flight Systems
    Support@Advanced-Flight-Systems.com

  3. #3
    Trevor,
    OK I understand if there's a hose connection to the transducer. But in my case, the transducer is screwed in to a port on my remote oil filter/thermostat mounted on the FW, so it is not subject to engine vibration. There is no hose to fail.
    So I will rey on the hole in the transducer to damp out any pulsation from the oil pump.

    Thanks,
    John

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