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Thread: Main Fuel shutoff mod

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  1. #1

    Join Date
    Jun 2014
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    Estes Park, CO
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    Default Main Fuel shutoff mod

    I have the funky main shut off with the rubber hoses crimped into the valve from the early 90's. Does someone have a simple solution to replacing this? Could you share a pic of what you have done? Is there a fuel valve part number which you could recommend for this modification. Much thanks for solution ideas.

  2. #2
    Senior Member cap01's Avatar
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    Apr 2009
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    yelm, wa
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    694

    Default Re: Main Fuel shutoff mod

    your correct , they are funky . i used a ball valve and ran hard lines in and out . used an fittings . mounted it with clamps to the tube running forward of the flap handle , i don't have a console . i used the cup that the funky valve was supposed to mount in and made a butterfly handle to fit in the cup . no pics that i know of but could get some if needed
    chuck
    kitfox IV 1050
    912ul warpdrive
    flying B , yelm, wa

  3. #3
    Senior Member cap01's Avatar
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    Default Re: Main Fuel shutoff mod

    took a few pic today
    Attached Images Attached Images
    chuck
    kitfox IV 1050
    912ul warpdrive
    flying B , yelm, wa

  4. #4

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    Jun 2014
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    Default Re: Main Fuel shutoff mod

    Thanks for the help everyone...

  5. #5
    SoaringVA's Avatar
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    Richmond, VA
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    Default Re: Main Fuel shutoff mod

    I realize this is an old thread, but I'm facing the same issue. Would this barbed fuel shutoff from Aircraft Spruce be a good replacement for the original 90's vintage valve? We will likely be using the "dash tank" option, so the 90 degree valve is probably ideal.

    Also, does it matter which direction fuel flows through a valve like this?

    Thanks!


  6. #6
    Senior Member PapuaPilot's Avatar
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    Nov 2013
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    Nampa, Idaho
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    1,227

    Default Re: Main Fuel shutoff mod

    The specs say it is for 1/4" ID hose. I'm guessing this is too small for your plane. You need to match the existing size of you fuel lines so it doesn't cause a reduction in flow.

    What size fuel lines do you currently have? A picture and saying what Kitfox you have helps.
    Phil Nelson
    A&P-IA, Maintenance Instructor
    KF 5 Outback, Cont. IO-240
    Flying since 2016

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