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1990 whirlpool fridge


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10 replies to this topic

#1 curjones

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Posted 09 September 2013 - 12:10 AM

Don't have the model number rigt now, but what causes it to ice up in just the first section of evaporatorAttached File  freezer uneven ice.jpg   138.47KB   0 downloads   has r-12 refrigerant.

 

blocked tubes?

 

Some one said the drier could be plugged



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#2 curjones

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Posted 09 September 2013 - 12:16 AM

This unit is really clean, and was well cared for, I'm practicing on it.  Would like to try and fix it.  I hear the term sealed unit, buy new one, but also hear you can fix em if ya know how.  Still learning, and looking up to see if r-12 can be replaced by 134.. 



#3 RegUS_PatOff

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Posted 09 September 2013 - 12:36 AM

sealed system leak . . . .

could be anywhere

usually the Evaporator

You'd need

a set of gauges

vacuum pump

brazing torch

etc


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#4 PDuff

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Posted 09 September 2013 - 12:09 PM

That's a GE evaporator and it is sealed system related.  Sturdy unit so my guess is restriction or inefficient compressor.



#5 Scottthewolf

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Posted 09 September 2013 - 03:44 PM

Could also be one of the infamous GE rotary compressors. In that case you need to replace the whole system, it's totally contaminated.


Scott Wolf

#6 Cactus Bob

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Posted 09 September 2013 - 06:52 PM

1990 ! could be a rotary ! but that late of a rotary where made better than the older ones

a quick look at the back will tell the tale

the rotary compressor will sit right in the middle of the back bottom and be the size and shape of an oatmeal container

 

if it is ......place in your recycle bin and forget it .........


SORRY ABOUT THE SPELLING , I FIX GREAT , I DON'T SPELL WELL

#7 curjones

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Posted 12 September 2013 - 10:03 PM

Has a drier on it and that was suggested to me,  as being restricted, compressor sounds smooth.  I'm studying a text book on ac, refrigeration. I've got some tools to buy.  I'm focusing on the other appliances for now.  thanks for input.



#8 curjones

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Posted 09 November 2013 - 07:02 PM

Got the tools to start learning,  this has a small compressor in the middle, cut out the drier to test suction to evap, had suction, but I dont have good pressure through the condesor line, is that a trashed out compressor, its not noisey or loud.



#9 Cactus Bob

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Posted 10 November 2013 - 12:17 AM

output of the compressor should be low volume but VERY high pressure !

so high in fact an old compressor with a handle and a cord on it , makes a great tire pump , just add a hose from an old bicycle pump to the high side with a hose clamp

 

I had ones like that when i was a kid , i know i was a strange kid , with an even stranger dad .

 

PS: you have a bad compressor ...........


Edited by Cactus Bob, 10 November 2013 - 12:18 AM.

SORRY ABOUT THE SPELLING , I FIX GREAT , I DON'T SPELL WELL

#10 curjones

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Posted 10 November 2013 - 01:18 AM

thanks cactus Bob, I still wanted to hope, lol.  .  I am talking here only about units I own here, but is cutting the drier off and checking the pressure and suction a pretty good quick test to see if the unit is worth of saving.



#11 certified tech group 51

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Posted 10 November 2013 - 11:03 AM

Get yerself the book............"Refrigeration & Air Conditioning Technology".....Whitman, Johnson, Tomczyk................I have  the 4th edition   but it is now up to the 2012 version...................well worth the 125 Clam$






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