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  1. #27
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    Thread Starter
    So trying to make sense out of this issue...and we are doing it MY way this time.

    Ordered a headmaster and I'll be going back and replacing it. Its the only thing that makes sense.
    Noise tends to happen right at 235psi which is right at the valve's modulating point and if the head pressure rises above to the point where the valve shouldnt be doing anything, the noise is gone.

    Maybe the "jose" at the Manitowoc factory got the factory headmaster too hot when it was brazed in and now the rubber diaphragm inside is making that noise.

    Thanks for all the feedback and help guys, I'll let you know how it turns out.
    Gotta pull the charge....AGAIN..haha

    Sent from my SM-N920V using Tapatalk

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  3. #28
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    Well...update..

    Headmaster was changed...
    Noise is STILL there...

    This machine has really tested me. So far we have...a new compressor, new headmaster, guts removed from quick connects...and still no luck.


    Sent from my SM-N920V using Tapatalk

  4. #29
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    Check valves?

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  6. #30
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    Called one time and said the compressor was making weird noises. Tech support said "you mean like a Bristol" lol

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  8. #31
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    Quote Originally Posted by itsiceman View Post
    Check valves?
    Are those necessary? I could just remove them but...could they be the culprit here?

    Only thing left really would be the harvest valve and those check valves

    Sent from my SM-N920V using Tapatalk

  9. #32
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    That noise must really be annoying to them.

    How about spray painting some of the lines with undercoating if it's just weird harmonics you might be able to deaden it?

  10. #33
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    Quote Originally Posted by UmmScott View Post
    Are those necessary?
    No way they would put them in if it wasn't necessary $$$

  11. #34
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  13. #35
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    Or turn the radio up louder lol

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