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Thread: mac valve for my step well ram leaks out the exhaust port.

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  1. #1
    Join Date
    Mar 2013
    Location
    Chicago
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    3,988

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    That ram is pressurized both ways open and closed so if that internal oring on the bottom is leaking it comes out the mac exhaust port.

    Marathon does a very complete job of building a very solid structure with the step slide. That cylinder is boxed in but good. Get some directions from Marathon as to the cylinder removal before u start, I would.
    Last edited by Joe Camper; 10-31-2020 at 10:33 AM.
    1990 Peterbuilt 377
    3406 B Caterpillar
    13 Speed Roadranger
    No Norgrens


    1 day on paper no machines

  2. #2
    Join Date
    Aug 2020
    Location
    lake havasu city
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    THANKS i get it. i was thinking no air passed thru till powered. but is pressured all the time. i think an air off / on switch on the input is the best way to go. one more thing i have heard air woose when i close the generator bay door. my generator air bags have schrader valves on each bag. is what im hearing another mac valve for the generator bags ? but not plumed in. ? thanks for the help everybody.
    99 marathon xlv 45 #547 red ram 4x4

  3. #3
    Join Date
    Mar 2013
    Location
    Chicago
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    3,988

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    Your gen bags r isolated from everything else if u see Schrader valves right on them. Good. Simple.
    1990 Peterbuilt 377
    3406 B Caterpillar
    13 Speed Roadranger
    No Norgrens


    1 day on paper no machines

  4. #4
    Join Date
    Aug 2020
    Location
    lake havasu city
    Posts
    91

    Default

    thank you.
    99 marathon xlv 45 #547 red ram 4x4

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