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Thread: Aluminum Evap

  1. #1
    Join Date
    Oct 2004
    Location
    Texas
    Posts
    1,172
    I have a 1991 model Forma model# 3662 4*c reach in. Compressor is dead. Compressor no longer available. I can get around that. Checked evap coil and found refrigerant leak on aluminum tubing and would'nt you know it, my aluminum brazing skills are no where to be found. Who would attempt the repair of an aluminum coil. My past experiences have not been good. I usually make it worse.
    Saddle Up!

  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,754
    scrap time

  3. #3
    Join Date
    Oct 2004
    Location
    Texas
    Posts
    1,172
    My thinking exactly. Cabinet sure is in great shape. Sometimes the equipment around here dies with a pretty corpse. Ashame to see it go but there always comes a day. Ironic thing is, I just ordered a display/ alarm board for for a 23 year old Forma -80. I would like to tell the price but that would be breaking the rules and I'm not about to go OSR.
    Saddle Up!

  4. #4
    Join Date
    Dec 2004
    Location
    Sunny So Cal!
    Posts
    649
    Any chance you talk to LRC Coil- they are very good on making copper coils to order- need measurements and BTU rating- will probably ask for a sketch or photo as well.

    They are here in So. California. Can't nail it to a city-
    memory failure- but East LA area.
    Look, just do your job, stay outta my way and we'll get along fine.

    Teach your kids to respect themselves and others with your actions- these little baboons will imitate you like it or not.

  5. #5
    Join Date
    Oct 2004
    Location
    Texas
    Posts
    1,172
    Nah, no need to go that far, thanks thow.
    Saddle Up!

  6. #6
    Join Date
    Feb 2003
    Posts
    1,166
    Take it to a welding shop for cheap, easy, effective repair. Have done that many times no problems, and that is with supermarket hot gas defrost.
    Watts New, Ohm My, I been Electrically Commutated. Are U2.

  7. #7
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,754
    never heard of that manufacturer before but if cabinet is to pretty to scrap is there any way to fit a Bohn or other make coil into it??

  8. #8
    Join Date
    Jun 2001
    Location
    Michigan
    Posts
    12,077
    it's not hard to teach yourself to weld aluminum.

  9. #9
    Join Date
    Aug 2002
    Location
    Southold.calm
    Posts
    5,869
    If its shot anyway now’s the time to improve your “aluminum brazing skills”

  10. #10
    Low heat, go over and over the leak. Takes time but still a crapshoot.
    How about some of that super poxy?
    Hey cockroach, don't bug me! ©

    www.AskTheDiceman.com

    www.TheColdConspiracy.com

    www.Pennwood-HVAC.Com

    Bring Em Home....

  11. #11
    Dice is right, super poxy is the stuff you need. Jus dont over pressureize the system with nitro during testing.

    if you want details for step by step on doing this, just ask.
    Never had a problem with this method.

  12. #12
    Join Date
    Jul 2004
    Location
    WEST CENTRAL FLORIDA
    Posts
    70
    Hey Dice.....
    what filler metal or rod do you like for aluminium repairs?
    DO IT ONCE, DO IT RIGHT!

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