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  1. #1
    Join Date
    Nov 2009
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    Oakland County Mi
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    24

    CHHN Trane Screw Compressor Housing Leak

    Anyone know if this leak pictured is field repairable.

    middlemilfordleak.jpg

  2. #2
    Join Date
    Aug 2006
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    Mixing oil and fire with a big spoon.
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    4,533
    it is.
    "If you pull one more stunt like you just pulled with Tommy, you won't have to get on a plane because I will personally kick your ass from here to Korea!" - Best of the Best

  3. #3
    Join Date
    Mar 2004
    Location
    ottawa canada
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    2,111
    But .....it should only be done by a tech who has the experience and knowledge of the RTAA compressor . if done incorrectly you will be replacing the compressor .
    The toy chest is officially full ... I got a new toy..... 2007 Aston Martin V8 Vantage
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  4. #4
    Join Date
    Aug 2006
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    Mixing oil and fire with a big spoon.
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    4,533
    Buuuuut...you're right.
    "If you pull one more stunt like you just pulled with Tommy, you won't have to get on a plane because I will personally kick your ass from here to Korea!" - Best of the Best

  5. #5
    Join Date
    Nov 2009
    Location
    Oakland County Mi
    Posts
    24
    is there a service bulletin on this anywhere? You two care to divulge any other information in regards to this repair?

  6. #6
    Join Date
    Jul 2007
    Location
    The Hot South
    Posts
    1,375
    Quote Originally Posted by Healey Nut View Post
    But .....it should only be done by a tech who has the experience and knowledge of the RTAA compressor . if done incorrectly you will be replacing the compressor .
    Agreed! And those compressors ain't cheap!

  7. #7
    Join Date
    Nov 2009
    Location
    Oakland County Mi
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    24
    i'm aware of the costs. any info would be helpful.

  8. #8
    Join Date
    Nov 2009
    Location
    Oakland County Mi
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    I appreciate the replies fellas, I'd like for you to expand on those thoughts. I would like to be armed with a little explicit knowledge when I approach my boss and customer to justify the heavy costs associated with removal, factory rebuild and reinstallation. Thanks guys.

  9. #9
    Join Date
    Aug 2009
    Location
    Prattville, Alabama
    Posts
    2,145
    I'm not sure this even something to be concerned about. Are you basing your diagnosis of a leak on anything other than the presence of that oil? What do soap bubbles show? I believe Trane addressed oil marks on one type of their screw compressors (don't remember which one) as being a result of the assembly process, and not necessarily a leak.

  10. #10
    Join Date
    Nov 2009
    Location
    Oakland County Mi
    Posts
    24
    Not only does it leak, it leaks badly.

  11. #11
    Join Date
    Nov 2009
    Location
    Oakland County Mi
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    24
    Another thing, think this could result from frequent starts. I mean like 80000 per 8000hrs? I'm addressing that now.

  12. #12
    Join Date
    Jul 2007
    Location
    The Hot South
    Posts
    1,375
    No because when the circuit trips on 'low evap refrigerant temp' due to low charge, that is a manual reset alarm.

    Also, that compressor doesn't need to be removed and rebuilt. That oring can be replaced in the field and the only cost is the oring and a days labor (and misc shop supply's). Check with your local Trane office for a SB.

  13. #13
    Join Date
    Nov 2009
    Location
    Oakland County Mi
    Posts
    24
    That is not why it is short cycling.

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