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  1. #1

    Screw compressor crank case heater

    Have a bad crankcase heater on a Mcquay chiller , it's an insert type about 7" in length , seems like it is corroded in place even though the heater body on the new one is stainless steel. Just wondering if anybody has any tricks on removal, I sprayed Kroil in the opening and waiting ,just looking for anything else thanks.

  2. #2
    Join Date
    Dec 2010
    Location
    Down by the river
    Posts
    1,664
    Thats aboutit. Spray and try a tad ofheat on the housing

  3. #3
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
    Alittle begging too. Please don't Break please don't break please don't break.

  4. #4
    Join Date
    Aug 2002
    Location
    Greenville SC
    Posts
    434
    I have drilled them out before. Not to hard, just don't get carried away.

  5. #5
    Join Date
    Dec 2011
    Posts
    107
    reaming bit works

  6. #6
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,723
    It's probably got hot and bulged.

  7. #7
    Drilled it out ,thanks for the help guys.

  8. #8
    For future reference, if you look at the opposite side of the compressor, the heater well goes all the way through. You can use a screwdriver or 3/8" socket extension and knock it out with a hammer or hilbilly hammer. (aka crescent wrench)

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