Ive searched the forums....Unloader valve.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by nikmirbre, Jan 21, 2020.

  1. nikmirbre

    nikmirbre Road Train Member

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    Ok I FINALLY tried to change the unloaded valves on the air compressor today.... I’m thinking they gave me the wrong kit for the wrong kind of compressor.... here are some pictures.....
     
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  3. nikmirbre

    nikmirbre Road Train Member

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  4. 062

    062 Road Train Member

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    Those look like the 550 unloader valves
     
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  5. nikmirbre

    nikmirbre Road Train Member

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    That gasket that is laying on the tire under that spring.... doesn’t go anywhere I can see.....that gasket came with that fresh spring and that bolt thing with the rubber seal on it. Only thing bad about a glider is I gotta know part numbers or at least exactly what specific part I’m looking for....
     
  6. nikmirbre

    nikmirbre Road Train Member

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    Based on picture of compressor.... build sheet says it’s a BA922. Could that be what I have?
     
  7. 062

    062 Road Train Member

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    That’s what @spsauerland said it was a couple pages back. I never had one of those, but google showed a unloader valve like you pulled out for a ba922
     
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  8. nikmirbre

    nikmirbre Road Train Member

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    yes, I for some reason missed that post. Thank you. Now that I see its easy I’m gonna go exchange tomorrow...
     
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  9. nikmirbre

    nikmirbre Road Train Member

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    After exchanging, I didn't know the part that the spring went in(the piston) has to be changed too....
     
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  10. nikmirbre

    nikmirbre Road Train Member

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  11. nikmirbre

    nikmirbre Road Train Member

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    This was the problem..... changed em both this afternoon. Let it run for a bit and no issues D9E5C5F2-F453-4C3F-B66F-CE9AAEE57B41.jpeg 6D0352EE-6A21-456A-BC07-898344CB2536.jpeg
     
    062 Thanks this.
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