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Old 06-02-2012, 10:49 AM  
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Default jerrylaf

I am new to this forum, and not sure how this works, but I have a Carrier air conditioner that has been diagnosed by my service tech as having the compressor cylinder froze up. He tried reversing the polarity of the motor to make it run backward to try free the cylinder with a gadget he had, without success
I completly trust this tech as I've been dealing with him for twenty yrs. He quoted me a price of $2500 For a new unit.
While brousing a DIY website they said some techs will move the motor back and forth to free it up, but they did not say how to do this. It looks like a sealed unit to me.
Any ideas?

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Old 06-02-2012, 04:23 PM  
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Reverse polarity on a single phase 240VAC compressor?
Unit is sealed; can not be manipulated mechanically.
Try placing a 2x4 wood block against the housing and hit the block with a hammer.
Do this while the compressor is electrically energized.
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Old 06-03-2012, 01:08 PM  
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Thanks, He had a electrical gadget with him that he said could make it move backward, but it failed to move it.
I will try the 2 by 4 and hammer. Got nuthin to lose
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