Question about Broan-NuTone N-8663RP Combination Light Fan Exhaust Fan

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Have a nutone fan for bathroom taken motor apart to try to figure why it will not turn anymore after i put some oil on the shaft previously. Thought maybe the oil shorted out the something but could only see copper windings and did not know what to look for to identify a problem

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Save yourself the grief and buy a new fan. Either replace the whole unit or take the fan from the new unit and install it in the old fan chassis. It will be a lot less painful than trying to troubleshoot the old unit.

Posted on Sep 19, 2010

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Posted on Jan 02, 2017

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1 Answer

The fan motor makes a noise but doesn not start rotating, if you rotate the fan the motor kick in and continues to work until it os turned off.


Hi,
The motor probably is not starting because the bearings are a bit stiff....
Take the hood apart and give it a good cleaning, being careful to not get the motor wet...
Then if you can get the hood in a position to run some light motor oil down the shaft and into the motor... spin the shaft as you do this... get oil worked into the motor bearings then it will probably work again...

heatman101

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I have QS3 series range hood. Fans are not working though lights are okay. When I click the fan buttons it does turn green, with clicking sound however fan doesn't turn on. Please advice


Hi,
Sometimes they can be cleaned and oiled and they will work again...
Cleaning the grease and dust with out ruining the motor is the tricky part...
Take the unit apart as much as possible...spray down the fan part with a degreaser or strong cleaner...let it soak and they spray it down with water to rinse it off...
Then work a few drops of light motor oil into the motor by proping up the fan so that the oil will run down the shaft and into the motor...

then get it running smoothly by working it by hand...

Put it all back together and it should work again...

heatman101


.........

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Model 41.000-L range hood. Fan is getting electricity (very soft hum), but fan won't turn. Must it be replaced, or can it be cleaned, or ????


Hi,
Sometimes they can be cleaned and oiled and they will work again...
Cleaning the grease and dust with out ruining the motor is the tricky part...
Take the unit apart as much as possible...spray down the fan part with a degreaser or strong cleaner...let it soak and they spray it down with water to rinse it off...
Then work a few drops of light motor oil into the motor by proping up the fan so that the oil will run down the shaft and into the motor...

then get it running smoothly by working it by hand...

Put it all back together and it should work again...

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Does the motor for a nu tone bathroom fan #86933-000 supposed to have 2 mounting studs opposite the shaft end? 8664RP


Yes. This motor has two studs opposite to the shaft.

Here are some pictures:
http://bit.ly/8YIowa

It is actually a better value to purchase the motor assembly S97017706 or S97017705, both fit.
http://bit.ly/asmjig

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NuTone bathroom fan starts slowly after being off awhile


need to blow it out with a air hose and oil it real good! but keep a eye on it to make sure it does not get hot! if it feels hot to touch replace the motor!

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Where can I get the motor unit to replace?


The motor is a common item to need replacement in bathroom vents. Replacements can be found just about anywhere that deals with electric motors. You might even be able to get a replacement where you originally purchased the unit. There are dozens of web sites that you can locate a replacement. http://www.electricmotorwarehouse.com is just one. Simply do a web search on replacement bathroom vent motors. Also if the are able to purchase items from wholesale vendors you can get one from Grainger's. It should cost around $20 to $25
Part # 62345-000 (replacement motor part #).


However there is an alternative to replacement. This depends entirely on how handy you are with these kinds of things and how bad off the motor is. If your not comfortable with repairing this kind of thing don't bother with the rest of this.

I hate to replace anything that may be repairable. Unfortunately my friends know this and recently one asked me to look at his NuTone bathroom vent motor before he replaced it.
For the cost in time of an hour I was able to refurbished it.
A good way to check if it's a candidate for repair is to check how much play is in between the shaft and bushings. If you can feel movement then it's best to go ahead and replace it. If the problem is that the shaft is tight and just hard to turn then it may just need some cleaning and fresh lubrication.
The steps are simple. Once you have the motor removed from the vent cage you will see a pair of nuts and bolts holding two brackets in place. These brackets(one on either side of the coil) are what hold the shaft centered and house the bushings. Remove the bolts and the brackets. Be careful not to lose any of the washers on the shaft. These are spacers and need to be replace the same way they went on if they come off. All you need to do is clean both ends of the shaft put a little oil on the shaft and in the bushing and put it back together. If the motor has a plug and not just bare wires for reconnecting to the power supply then it's safe to just plug it in to any outlet for testing after you remount it in the vent cage. You will know right away if you were successful.


Hope this helps.

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Have a broan n688 ceiling exhaust fan in bathroom and now it takes a couple of minutes to actually start, finally making a whirring noise before coming on. Solution?


First turn the power to the fan OFF. Take it down from the ceiling by removing the screws holding the cover on. Then remove the screws holding it to the ceiling. Then unscrew the screw caps that twist (connect) the wires from fan motor to the house wiring. Do a general clean up on the fan. Use an old paint brush to get in the hard to get at places. Rotate the fan by hand. If it does not rotate freely, put some oil on the shaft where it goes into the motor, and put some on where the shaft comes out the back. If it still does not rotate freely, buy a replacement and install it.

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My blower wheel on our nutone 9093 vent fan keeps


Buy a tube of Household Goop, and put some on the front and back of the hole the motor shaft goes through and glue the wheel in place. Make a little 'pile' or filet around the shaft/wheel joint. Let it dry a couple of hours.Goop is extremely handy, sticks like glue should, stays flexible, is cheap, etc.

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Don't worry, you can purchase just the fan from amazon (not entire motor). here: NuTone 0696B000 Motor Assembly for QT100 and QT110 Series Fans. I hope this was helpful. cheers
qt-100l-replacement-thwo3sxipgmgtjfqzhk52bks-2-0.jpg

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