Compressor leaking air internally

  1. Jessie sorrel New Member

    Messages:
    3
    Location:
    Stoke
    Hi guys
    If I run the compressor with no air line attached then it holds air with no problem as soon as I attach an air line it sounds like the air is leaking inside the tank, I’ve checked the unloader valve and that seems to be ok
    Pic attached 6ECF1E89-2CC7-4E8F-9C2A-24DA9AA8DD23.jpeg
     
    Memmeddu likes this.
  2. 123hotchef Member

    Messages:
    8,476
    Location:
    Kent
    what do u mean air leaking inside the tank? the tank is full of compressed air
     
    gordon stephenson likes this.
  3. carbon

    carbon Member

    Messages:
    1,256
    Location:
    S. Glos. U.K
    If it holds air without anything connected then whatever you are connecting has a leak somewhere, possibly on a coupling
     
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  4. hermetic

    hermetic Member

    Messages:
    81
    Yorkshire UK
    when you attach the airline, it is empty, and you get a rush of air into the line to fill it up to tank pressure, then it should go silent again. If the hissing continues, it looks like there is a leak in the line or in the coupler.. If you cant hear or feel the leak, go round with a grip spray full of soapy water till you find it. If there was a leak back through the compressor, or the unloader valve, this would happen whether the hose was connected or not.
     
    Memmeddu likes this.
  5. Jessie sorrel New Member

    Messages:
    3
    Location:
    Stoke
    When I fit the air line I can hear what sounds air leaking inside there is no air leaking outside and the air gauge goes down.if I disconnect the pipe that goes from the compressor to the unloader valve no air comes out so the unloader valve is ok
     
  6. Jessie sorrel New Member

    Messages:
    3
    Location:
    Stoke
    Thanks for your time guys I think I’ve sorted it, it’s only happening when I use this one spray gun So there must be a blockage in it or something, what a muppet
     
    123hotchef likes this.
  7. The_Yellow_Ardvark

    The_Yellow_Ardvark Member

    Messages:
    11,575
    Location:
    England
    We all learn from our mistakes.
     
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  8. 123hotchef Member

    Messages:
    8,476
    Location:
    Kent
    ha ha easy fix it happens mate
     
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