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Old 09-03-2017, 07:12 AM   #1
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Main AC

Anyone know what this is??
On main AC it's making a lot of racket and shakes like crazy.......
Not running it obviously.

Thanks


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Old 09-03-2017, 07:58 AM   #2
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Guessing that's the fan motor. Possible the fan blade may have broken a fin off, causing the out of balance vibration.
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Old 09-03-2017, 08:38 AM   #3
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I agree with the fan motor. Fan blade or bad bearing. Should be easy to repair.
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Old 09-03-2017, 08:50 AM   #4
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Jack

Get on the roof and open up the cover to the ac to check the fan blade. On a previous rig, I had the same thing happen to me and it turned out to be a mud dauber nest on one of the blades.


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Old 09-03-2017, 08:50 AM   #5
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Had the same problem once. Took the fan motor out and found a mud dauber nest on one of the fan blades. Removed the nest, no more problems.
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Old 09-03-2017, 09:01 AM   #6
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Quote:
Originally Posted by Magnolia Tom View Post
Jack

Get on the roof and open up the cover to the ac to check the fan blade. On a previous rig, I had the same thing happen to me and it turned out to be a mud dauber nest on one of the blades.


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Tom I pulled the cover this morning and from what I saw blades all look fine. Not sure exactly what the pic I took is, but that is what is shaking like crazy.
AC was working fine as of Friday. We left Saturday am early and towed about 225 miles.
Trailer sat at car dealer yesterday from 8am til around 3pm.
Towed another 100 miles and plugged in at RV park and AC started doing this........

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Old 09-03-2017, 09:24 AM   #7
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Thanks everyone.....
Found the problem.



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Old 09-03-2017, 09:28 AM   #8
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Wow! That'll cause some serious vibration. Was there something foreign inside that caused it, or did they just come apart?
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Old 09-03-2017, 09:31 AM   #9
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Only found the broken pieces


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Old 09-03-2017, 09:32 AM   #10
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Didn't someone post a while back there has been a problem with these fan blades??


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Old 09-03-2017, 09:33 AM   #11
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Glad you found the issue. Hopefully it'll be easy to find the parts to replace it


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Old 09-03-2017, 09:34 AM   #12
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When everyone said fan blade......thought they meant this.



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Old 09-03-2017, 09:34 AM   #13
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Quote:
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Didn't someone post a while back there has been a problem with these fan blades??


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I don't think it was the blower blade. I believe it's the 3 bladed blade on top that had the issues.


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Old 09-03-2017, 09:35 AM   #14
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When everyone said fan blade......thought they meant this.



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That's what I thought the problem would have been


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Old 09-03-2017, 09:37 AM   #15
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Looks easy to replace......just getting one


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Old 09-03-2017, 09:41 AM   #16
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Glad you found it. The plastic fan blades did have a problem a while back, and they changed the design. I think it was the six bladed fans had the breakage issue.
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