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Old 07-19-2012, 11:26 PM   #1
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repair of evaporator fins


I have an a/c unit that has some smashed evaporator fins. It seems to be a fairly significant % in my estimation - maybe about 20%. I bought one of those little tools to straighten them out, but they are so smashed in certain areas that it doesn't do any good.

Does anyone have any suggestions on how to repair fins that are in such bad shape? Is this even possible?

Thanks in advance!

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Old 07-20-2012, 01:01 AM   #2
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repair of evaporator fins


you can try metal glue after you reform them.

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Old 07-20-2012, 03:37 AM   #3
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repair of evaporator fins


Do you mean condenser fins (the outside unit)?

Fin tools work okay, but it will take some time and effort to get things right. Start in a section where the fins are straight, and work your way toward the section that is damaged. You sometimes have to rock the took back and forth, in/out to get the thing to work correctly.

Remember too that there are different fin spacings and the fin tool should have different tips to accomodate those spacings. Be sure you're using the right one.

Did I mention it takes time
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Old 07-20-2012, 06:38 AM   #4
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repair of evaporator fins


is this a window unit...?take a thin screw driver and from the right top to bottom one fin at a time.trying to push a stack of bent fins won't work
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Old 07-20-2012, 08:48 AM   #5
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repair of evaporator fins


Thanks for the responses! I might have used the wrong word to describe though. This is part of a central A/C unit that is outside the house. Is it the evaporator or the condenser?

Also, in order to clean it I can just spray it down with a garden hose, correct?

Thanks!
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Old 07-20-2012, 11:21 AM   #6
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repair of evaporator fins


I have a similar issue at my church house. There is a large 5-ton condensor near the playground. The kids have pushed down a large amount of the fins on the coil. While I can get up few of them at a time with a small screwdriver, that is tedious. I need a fin-comb or something that will open up large amounts of coil fins at a time.
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Old 07-20-2012, 02:36 PM   #7
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repair of evaporator fins


Quote:
Originally Posted by sobro View Post
Thanks for the responses! I might have used the wrong word to describe though. This is part of a central A/C unit that is outside the house. Is it the evaporator or the condenser?

Also, in order to clean it I can just spray it down with a garden hose, correct?

Thanks!
To clean the coils, you need to buy commercial coil cleaner. Do not use the cans from HD or Lowes. They do a crappy job. Commercial coil cleaner is about $20.00 a gallon and will clean a few units. Even if the coils do not appear dirty, if they haven't been cleaned with coil cleaner, they need it. You apply it with a pump up sprayer and let it foam out for 5 minutes and rinse. Remember, don't waste your money on the cans. I learned the hard way.

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