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Evaporator cooler (Master Cool) one of the spiders on my MC63C has two brackets broken loose. the blower looks like it is out of round. do i need to replace the blower or is there another way.

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  • thompsor May 30, 2011

    yes, we were able to weld the spider back to the blower, will in the holder. We cleaned it up and it's working great, probably better than before. thanks.

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  • Master
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Hi and welcome to FixYa. I am Kelly.

First off... some thing has cause the vibration to damage the spider brackets to begin with. Could have been an imbalance of dirt build up on the squirrel cage blower, corrosion.. or a bad bearing.

There are few ways to fix this but all require the unit blower assembly to be removed and your still going to have to balance the fan before re-installing the blower.

Here is the parts list:
http://www.searspartsdirect.com/partsdirect/part-model/Adobeair-Parts/Evaporative-cooler-Parts/Model-MC63C/1568/0908000/P9070179/00001

Ths spider is not listed as a replaceable part.
You can have the brackets repaired at a weld shop however... welds have a tendancy to make the parent metal hard and if there is any hint of a vibration post repair the problem will only repeat.

I have never had much luck with a unit that got out of balance and caused support bracket failure.
They always result in call backs. The best remedy is to replace the blower. Good luck finding one as most parts for this unit have been discontinued. I am sure there are heating and airconditioning places that have a viable replacement blower that will most likely be a used one.

The blower wheel is roughly $93.00.

I am just passing on my 40 years experience dealing with swamp cooler issues. Having it welded may get you 2 or 3 more seasons at best but you must deal with the balance problem.

Thanks for choosing FixYa,
Kelly

Posted on May 27, 2011

  • Kelly
    Kelly May 30, 2011

    Glad to hear a successful result. Most vibration issues are caused by dirt build up on the blower wheel. Your cleaning it up certainly makes a huge difference. Good job on the repair and good end result.



    Kelly

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