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Air Compressor cycles between 115 and 125 psi

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Shawn19, Oct 20, 2022.

  1. Oct 20, 2022 #1
    Shawn19

    Shawn19 Light Load Member

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    Apr 20, 2019
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    My air compressor come on at 115 and goes off at 125 what would cause this do I need to replace the Governor
     
    Shawn19, Oct 20, 2022
    Shawn19, Oct 20, 2022
    #1
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  3. Oct 20, 2022 #2
    DUNE-T

    DUNE-T Road Train Member

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    Detroit, MI
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    You can adjust it
     
    DUNE-T, Oct 20, 2022
    DUNE-T, Oct 20, 2022
    #2
    Opendeckin and MartinFromBC Thank this.
  4. Oct 20, 2022 #3
    Shawn19

    Shawn19 Light Load Member

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    Apr 20, 2019
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    I going to try that hopefully it one that adjustable.
     
    Shawn19, Oct 20, 2022
    Shawn19, Oct 20, 2022
    #3
  5. Oct 20, 2022 #4
    MartinFromBC

    MartinFromBC Road Train Member

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    Is there a problem with 115 to 125?
     
    MartinFromBC, Oct 20, 2022
    MartinFromBC, Oct 20, 2022
    #4
    Diesel Dave and Opendeckin Thank this.
  7. Oct 20, 2022 #5
    Opendeckin

    Opendeckin Medium Load Member

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    This. I usually set mine to kick on at 105 and cut out at 120, but 115/125 isn't bad IMO.
     
    Opendeckin, Oct 20, 2022
    Opendeckin, Oct 20, 2022
    #5
    MartinFromBC and Diesel Dave Thank this.
  8. Oct 21, 2022 #6
    Shawn19

    Shawn19 Light Load Member

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    Yes it a problem purging every 30 seconds normally should be coming on at 95 psi not 115
     
    Shawn19, Oct 21, 2022
    Shawn19, Oct 21, 2022
    #6
  9. Oct 21, 2022 #7
    Dave1837

    Dave1837 Road Train Member

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    Nov 16, 2019
    Pennsylvania
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    If it's dropping 10 psi every 30 seconds that truck should be out of service
     
    Dave1837, Oct 21, 2022
    Dave1837, Oct 21, 2022
    #7
    Concorde Thanks this.
  10. Oct 21, 2022 #8
    AModelCat

    AModelCat Road Train Member

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    Canuckistan
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    Sounds like you've got an air leak.
     
    AModelCat, Oct 21, 2022
    AModelCat, Oct 21, 2022
    #8
    Concorde and RJM1953 Thank this.
  11. Oct 26, 2022 #9
    Shawn19

    Shawn19 Light Load Member

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    Apr 20, 2019
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    You all were wrong it was a bad governor change out it an problem fix.
     
    Shawn19, Oct 26, 2022
    Shawn19, Oct 26, 2022
    #9
    Brettj3876 Thanks this.
  12. Oct 29, 2022 #10
    Brettj3876

    Brettj3876 Road Train Member

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    Nov 18, 2014
    Land of local
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    I just replaced the valves in the dash about a month ago. It would leak down from 125 to 100 in about a minute but you could hear it in the dash. And if you pressed real hard on the buttons it would stop. Pretty sure the Bendix one in there that was leaking was a Chinese knockoff. The new Bendix one had Bendix stamped in like 6 places where the old one had it labeled Bendix in one spot.

    But I see yours was a bad gov
     
    Brettj3876, Oct 29, 2022
    Brettj3876, Oct 29, 2022
    #10
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