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Thread: Disconect

  1. #1
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    Sep 2008
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    North carolina
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    Disconect

    Have any of you ever ran across a bad blade style disconect. the blade is not making a good connection at times and the unit wont start. i bump the blade and unit works. i have checked all connections and this is the only loose part. I am going to replace it monday when i can get a new one. is this a common part to go bad and can they be fixed or should they always be replaced.

  2. #2
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    Mar 2009
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    Mid-Mo
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    You can't squeeze the female part to get a good connection?

  3. #3
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    Dec 2002
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    SouthEast NC ICW & Piedmont Foothills
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    7,635
    replacing the disconnect is the only thing that will resolve the issue

    generally see that problem on older disconnects
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  4. #4
    Join Date
    May 2011
    Location
    Oklahoma
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    362
    Replace it. Sqeezing the socket closed a little is only a short term solution. As disconnects get old they eventually wear out, it's a common thing.

  5. #5
    Join Date
    Nov 2006
    Location
    Southeastern Pa
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    19,277
    Yep. Replacement is the answer.

    Ever see what happens when it gets worse?
    Attached Images Attached Images  
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  6. #6
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    Sep 2008
    Location
    North carolina
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    42
    ryan if it was a lever type that might work but this is the pulll out type so with out taking it all the way apart i dont think that will work. still not sure if i would have access to the part that needed to be squeezed.it looks to be incased in plastic. yes dandy it is older about 12 yrs old. they are cheap and easy to replace i had just never ran into a bad one before.

  7. #7
    Join Date
    Apr 2011
    Location
    Cayuga, In
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    56
    always replace a suspected faulty disconnect, there not that expensive and the homeowner deserves as safe a system as possible.

  8. #8
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    Nov 2006
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    Southeastern Pa
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    Quote Originally Posted by tlp7 View Post
    Have any of you ever ran across a bad blade style disconect. the blade is not making a good connection at times and the unit wont start. i bump the blade and unit works. i have checked all connections and this is the only loose part. I am going to replace it monday when i can get a new one. is this a common part to go bad and can they be fixed or should they always be replaced.
    A little help on terminology.

    The three phase disconnect in the picture I posted has blades, or "tines."

    A typical residential disconnect has "blades" or "tines" as well. So, these terms don't tell the reader (or listener on a phone call) which type of disconnect you mean.

    Whenever I want to describe the residential type, I say "pull disconnect." You can also distinguish between "fused pull disconnect" and "unfused pull disconnect." Both types are available at the supply house.

    I have found that most of the pull disconnects I see, need to be replaced. They typically show a LOT of scorching of the tines, as if they have been used to interrupt power to a locked rotor compressor, and several times by the look of them.

    If the disconnect is suspect, replace it!
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  9. #9
    Join Date
    Dec 2005
    Location
    Cincinnati, Oh
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    5,183
    Quote Originally Posted by shaworth1 View Post
    always replace a suspected faulty disconnect, there not that expensive and the homeowner deserves as safe a system as possible, for techs to work on.
    Dang straight.
    "Better tell the sandman to stay away, because we're gonna be workin on this one all night."

    "Dude, you need more than 2 wires to a condenser to run a 2 stage heatpump."

    "Just get it done son."

    Dad adjusted

  10. #10
    Join Date
    Jun 2012
    Location
    Minnesota
    Posts
    38
    Its a common enough issue that all AC installs I do get a Breaker switch style disconnect with a GFI outlet. Cause I'm lookin out for the next guy.

  11. #11
    Join Date
    May 2011
    Location
    Oklahoma
    Posts
    362
    Pull out types are like 8 bucks for a name brand. If it's that type I always replace it when replacing the condensor.

  12. #12
    Join Date
    Aug 2012
    Location
    Hot Springs, Arkansas, United States
    Posts
    55
    Change it out. You won't wake up at 2:00 am thinking I should have changed that disconnect........

  13. #13
    Join Date
    Dec 2002
    Location
    SouthEast NC ICW & Piedmont Foothills
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    7,635
    OP, eventually you will see more

    always enjoy finding those big knife switches screwed up
    It`s better to be silent and thought the fool; than speak and remove all doubt.

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