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Air compressor issues

Discussion in 'Experienced Truckers' Advice' started by Mmorales95, Jul 23, 2020.

  1. Jul 23, 2020 #1
    Mmorales95

    Mmorales95 Bobtail Member

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    Jun 4, 2020
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    I have a 2007 kenworth t600 and just recently my air compressor has been messing up. It’ll work all shift then randomly I’ll notice I’m not holding air pressure. I pull over and both my tanks drop below 50 psi. I’m not able to build any air, I’ll sit for a couple of minutes and then I will start building air pressure again. Thoughts?
     
    Mmorales95, Jul 23, 2020
    Mmorales95, Jul 23, 2020
    #1
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  3. Jul 23, 2020 #2
    flood

    flood Road Train Member

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    Governor...?
     
    flood, Jul 23, 2020
    flood, Jul 23, 2020
    #2
    jbatmick Thanks this.
  4. Jul 23, 2020 #3
    thejudges69

    thejudges69 Light Load Member

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    Aug 22, 2015
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    Governor
     
    thejudges69, Jul 23, 2020
    thejudges69, Jul 23, 2020
    #3
    jbatmick Thanks this.
  5. Jul 23, 2020 #4
    Hyweighman

    Hyweighman Medium Load Member

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    Dec 29, 2011
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    Governor
     
    Hyweighman, Jul 23, 2020
    Hyweighman, Jul 23, 2020
    #4
  7. Jul 23, 2020 #5
    TripleSix

    TripleSix God of Roads

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    Easy fix. If one of you guys don't mind, could you walk @Mmorales95 through installing and setting the air governor up to pop off at the desired PSI?
     
    TripleSix, Jul 23, 2020
    TripleSix, Jul 23, 2020
    #5
  8. Jul 23, 2020 #6
    thejudges69

    thejudges69 Light Load Member

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    Depends on what type of governor. The older ones are simple, a 6 year old could do it. The newer ones I understand are a little more involved.
     
    thejudges69, Jul 23, 2020
    thejudges69, Jul 23, 2020
    #6
  9. Jul 23, 2020 #7
    thejudges69

    thejudges69 Light Load Member

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    Oh and don't set it til it's installed and pumped up. If it stops pumping around 120-125 don't touch it. Never adjust them until you see where they are set at. The governor is either on your air dryer or on your compressor. Again don't touch the adjustment screw until your dryer unloads and see what pressure your at.
     
    thejudges69, Jul 23, 2020
    thejudges69, Jul 23, 2020
    #7
    Rideandrepair Thanks this.
  10. Jul 23, 2020 #8
    AModelCat

    AModelCat Road Train Member

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    Typically its the governor sticking but I have seen the drier purge port stick open and leak out all the air as well.
     
    AModelCat, Jul 23, 2020
    AModelCat, Jul 23, 2020
    #8
  11. Jul 24, 2020 #9
    Ridgeline

    Ridgeline Road Train Member

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    Depending on the governor manufacturer, you may have to use a different pilot port.
     
    Ridgeline, Jul 24, 2020
    Ridgeline, Jul 24, 2020
    #9
  12. Jul 25, 2020 #10
    xsetra

    xsetra Road Train Member

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    I've had similar issues with the unloader valve. N14 compressor. Also an easy fix.
    It's the part between the governor and the compressor.

    Most likely the governor. Those go bad more often.
     
    xsetra, Jul 25, 2020
    xsetra, Jul 25, 2020
    #10
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