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How would you Test for a Leaking Air Start Valve in Port?

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  • How would you Test for a Leaking Air Start Valve in Port?

    IF we are in port and need to test leakage in air start valve, how to do that? question from MMD surveyor.
    Last edited by mohit; 01-21-2017, 10:01 AM.

  • #2
    Hello mohit : First ensure all the Engine Indicator Cocks are Open for all Cylinders, then Isolate the Air Supply to the Timing Valves, this will ensure no Pilot Air is supplied to the Air Start Valves when the Auto Valve is Opened.
    Then Operate the Auto Valve, any air discharge from the Indicator Cocks will indicate a leaking or Passing Air Start Valve.

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