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Ceiling fan knocks when it’s turned on. How do you rebalance it?

Posted on 4/17/19 at 8:52 pm
Posted by white perch
the bright, happy side of hell
Member since Apr 2012
7139 posts
Posted on 4/17/19 at 8:52 pm
I need to rebalance my ceiling fan (I think). It makes a knocking sound as it rotates. The faster it rotates, the faster it makes the sound. How do I fix this?

TIA
Posted by GRIZZ
PRAIRIEVILLE
Member since Nov 2009
5231 posts
Posted on 4/17/19 at 9:02 pm to
Tape a couple nickels on the top of one of the fan blades.
Posted by SSpaniel
Germantown
Member since Feb 2013
29658 posts
Posted on 4/17/19 at 9:24 pm to
Measure each blade's distance from the ceiling at a single point. Weight the high one or gently bend the low one.
Posted by GCTigahs
Member since Oct 2014
2038 posts
Posted on 4/17/19 at 9:49 pm to
What is knocking? If you can, gently push up on the end of the blades to see if there is any movement where they attach to the motor. Could be a loose fan blade. I had a loose blade and it would knock until it got up to full speed. Turns out the blade was loose and it was hitting the housing of one of the lights.
This post was edited on 4/18/19 at 7:17 am
Posted by Spankum
Miss-sippi
Member since Jan 2007
56058 posts
Posted on 4/17/19 at 11:08 pm to
I have never found any of that to be worth trying to fix... I just buy another fan for a hundred bucks and put the old one by the street for the trash men.
Posted by pwejr88
Red Stick
Member since Apr 2007
36188 posts
Posted on 4/18/19 at 12:38 am to
Mine did this.

I got a ladder and tightened every screw I could find all the way up to the ceiling. It worked.
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 4/18/19 at 4:24 am to
What about the "box" it hangs from?
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