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Air pressure purge at 140 psi

Discussion in 'Trucks [ Eighteen Wheelers ]' started by D2020, Nov 25, 2020.

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  1. Nov 25, 2020 #1
    D2020

    D2020 Bobtail Member

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    Nov 25, 2020
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    I have 06 Columbia with a c15 my air pressure goes up to 140 before purge I replace the governor it not adjustable it a pre set governor at 125 why isn't it purge at 125 ?
     
    D2020, Nov 25, 2020
    D2020, Nov 25, 2020
    #1
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  3. Nov 25, 2020 #2
    xsetra

    xsetra Road Train Member

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    Did the old governor purge system at 140 also?
    Could be your dash gauge isn't accurate.
     
    xsetra, Nov 25, 2020
    xsetra, Nov 25, 2020
    #2
  4. Nov 25, 2020 #3
    D2020

    D2020 Bobtail Member

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    Nov 25, 2020
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    Old governor did the same thing that why I replace it would not do it all the time now it does getting worse an it not my dash gauge had that replace.
     
    D2020, Nov 25, 2020
    D2020, Nov 25, 2020
    #3
  5. Nov 25, 2020 #4
    xsetra

    xsetra Road Train Member

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    What is getting worse?
    I have an older truck. My top pressure is around 135.
     
    xsetra, Nov 25, 2020
    xsetra, Nov 25, 2020
    #4
  7. Nov 26, 2020 #5
    little cat 500

    little cat 500 Road Train Member

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    sounds normal
     
    little cat 500, Nov 26, 2020
    little cat 500, Nov 26, 2020
    #5
  8. Nov 26, 2020 #6
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    There is a plate on top of the compressor that has the unloader-valves in them. You have to buy the kit and replace them(o rings etc). Easy fixed. Make sure you get the right kit. I believe they have 2 different ones. I removed mine first and took it the parts house to make sure they had the correct one.
     
    Last edited: Nov 26, 2020
    Reason for edit: Correction....
    Diesel Dave, Nov 26, 2020
    Diesel Dave, Nov 26, 2020
    #6
  9. Nov 26, 2020 #7
    spsauerland

    spsauerland Road Train Member

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    West Harrison, In
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    spsauerland, Nov 26, 2020
    spsauerland, Nov 26, 2020
    #7
    haycarter and Diesel Dave Thank this.
  10. Nov 27, 2020 #8
    D2020

    D2020 Bobtail Member

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    Nov 25, 2020
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    Thanks I will take a look at it and see if I can take it apart you said it easy any special tools I need.
     
    D2020, Nov 27, 2020
    D2020, Nov 27, 2020
    #8
  11. Nov 28, 2020 #9
    spsauerland

    spsauerland Road Train Member

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    Torx bit for compressor on ACERT motor.
     
    spsauerland, Nov 28, 2020
    spsauerland, Nov 28, 2020
    #9
  12. Nov 28, 2020 #10
    D2020

    D2020 Bobtail Member

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    Nov 25, 2020
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    Ok
     
    D2020, Nov 28, 2020
    D2020, Nov 28, 2020
    #10
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