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  1. #1
    Join Date
    Sep 2006
    Location
    Ohio
    Posts
    441

    Refrigerant leak repair

    I have a leak to repair in a condenser coil at the tube sheet. In the past I have used a 4.5 cutting wheel to cut through as much of the tube sheet as possible then use the torch to remove the rest. Do any of you have a better method to remove the tube sheet from around the copper u-bend?

  2. #2
    Join Date
    Jun 2012
    Posts
    37
    I usually use tin snips. It's not exactly easy to cut but I don't trust my steadiness with a grinder, especially around a coil.

  3. #3
    Join Date
    Sep 2011
    Location
    Vancouver, WA
    Posts
    239
    The best method I have found over the years with the least chance of a call back is to braze the tubes to the tube sheet. Just cut back the fins about 1", use a flux coated brazing rod and braze the tube thats leaking and the tubes around it. Braze both sides. I found this was quicker than cutting the tube sheet. Never had to go back to repair the same coil doing this.

  4. #4
    Join Date
    Jun 2012
    Location
    East tx
    Posts
    154
    If it' s too difficult to cut out, i usually take the leaking tube out of the circuit. But for the most part i use tin snips and a rose bud with a screwdriver.

  5. #5
    Join Date
    Apr 2012
    Location
    Paper Street Soap Company
    Posts
    2,298
    Just use a #1 brazing tip with a a lot of heat.

    Works great.

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