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

2 Answers

Loose blower wheel assembly

Blower wheel assembly gradually slides down away from nut-push on motor spindle, causing rubbing against motor base and eventual stopping of blower wheel. Solution?

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  • PatKronic May 19, 2008

    Same exact problem.

  • Anonymous Nov 23, 2008

    I Have five bathrooms with this same fans and they have all done the same thing. The motors have so much torque that they strip out the the cheap plastic fans. You can buy the replacement fans from electricmotorwarehouse.com or ventingdirect.com. This is obviously a problem that has existed for 10 to 15 years. Part numbers are 5901A-000.

    John

  • trussell35 Jan 21, 2009

    I have the same problem. The fan assembly slides down the shaft and starts rubbing on the housing. Once this happens once, it will do it again much easier next time. I did try a very crude method that didn't work. I put some "Gorilla" glue on the shaft at the bottom of the fan (once I pushed it back in place)--hoping it wouldn't allow the fan to slide back down, but it did not work. Now--the shaft is hard to get to so it could be that I didn't get the glue in exactly the right place. I'm thinking about trying it again--this time being extra careful to put the glue in the right place and allow a day or so for drying.

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Place the push nut below the blower wheel. Don't bother with the top. The centripetal force tends to push the wheel down. The push nut in this position will prevent this.

Posted on Dec 05, 2009

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  • countrygirl26 Sep 08, 2012

    Thanks Jackietuzo! This absolutely did the trick.

  • countrygirl26 Sep 08, 2012

    Thanks jackietuzo! This worked perfectly!!

  • Ketan Dodhia May 19, 2013

    this worked for me, too!

  • Brian Tully
    Brian Tully Nov 21, 2013

    Sorry to be so naive, but what is a push nut? On my unit there is just the spindle that spins and then the plastic squirrel fan that gets pushed onto the spindle. There is nothing retaining the fan other than the fact that the top of the spindle has grooves in it. I took apart the unit a couple of days ago and thought I was a genius for fixing it by sliding the fan back to the top of the spindle. But here it is 2 days later and it's making the same loud noise :(

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This happened on my fan too and the motor burned out from being stalled all the time. Try putting a spring retaining ring (E-ring or similar from someplace like smallparts) of the appropriate size on the shaft below the blower wheel to keep it from sliding down. Nutone should have done this themselves to begin with! (but I guess it helps them sell motors...)

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

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1 Answer

How do i remove the blower wheel from a broan 684 bath fan


There are a number of YouTube videos that show how to replace the motor assembly on a Broan bath fan. Once you have unplugged the fan and removed the motor mounting plate you will have easy access to replace the blower wheel and/or the motor assembly.
Just go to You Tube and search on Broan

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How do you remove a canopy cover from a Hampton Bay fan?


Turn off the circuit breaker supplying power to the ceiling fan. The circuit breaker is in your home electrical box and may control more than just the ceiling fan. Place a stepladder under the Hampton Bay fan.


Remove the light bulbs and light covers from the fixture, if you have a light assembly on your ceiling fan. Remove the screws securing the light assembly housing to the fan with a Phillips screwdriver. Lower the light assembly, and hold it in one hand.


Twist counterclockwise the wire nuts securing the wires for the ceiling fan and light assembly, using your free hand to separate the wires. Lower the light assembly from the fan and set it in a safe place.


Turn the screws securing the fan blades to the unit with a Phillips screwdriver. Remove the blades from the fan and set them aside. Find the screws securing the canopy to the ceiling mounting plate. Loosen the screws two complete revolutions. Turn the canopy counterclockwise and unhook it from the screws. Slide the canopy over the fan motor housing and away from the fan.



Ask a helper to hold the fan motor housing if you have a Hampton Bay fan with a down rod. Slide the canopy over the down rod until it rests on top of the motor housing. Disconnect the fan wires from the ceiling wires, twisting the plastic wire caps counterclockwise. Slide the hangar ball, at the top of the down rod, out of the mounting bracket. Slide the canopy over the top of the down rod to remove it from the fan.


Regards

Sep 28, 2011 | Dryers

2 Answers

I have a model 5BS520C. The light works but when I pull the chain for the fan, I hear the sound of three speeds but the blades do not turn. ed.pfohl@gmail.com


Here some toubleshooting:

Problem 1. Fan will not start.
Probable Cause
1. Fuse or circuit breaker blown.
2. Loose power line connections to the fan, or loose wire connections in the switch housing.
3. Reversing switch in neutral position.

Suggested Remedy
1. Check main and branch circuit fuses or circuit breakers.
2. Check line wire connections to fan and switch wire connections in the switch housing.
3. Make sure reversing switch position is all the way to one side.

WARNING: Make sure main power is turned off.

Problem 2. Fan sounds noisy.
Probable Cause
1. Blades not attached to fan.
2. Loose screws in motor housing.
3. Screws securing fan blade flanges to motor hub are loose.
4. Switch housing binding against the blade hub.
5. Wire connectors inside switch housing rattling.
6. Screws holding blades to flanges are loose.

Suggested Remedy
1. Attach blades to fan before operating.
2. Check to make sure all screws in motor housing are snug (not over-tight).
3. Check to make sure the screws which attach the fan flanges to the motor hub are tight.
4. Check to make sure that the switch housing does not bind against the blade hub.
5. Check to make sure wire connectors in switch housing are not rattling against each other or against the interior wall of the witch housing.
6. Tighten screws securely.

WARNING: Make sure main power is turned off.

Problem 3. Fan wobbles
Probable Cause
1. Setscrew in motor coupling is loose.
2. Setscrew in the hanger ball/downrod assembly is loose.
3. Screws securing fan blade flanges to motor hub are loose.
4. Fan blade flanges not seated properly.
5. Hanger bracket and/or outlet box is not securely fastened.
6. Fan blades could be out of balance.

Suggested Remedy
1. Tighten the setscrew in the motor coupling.
2. Tighten the setscrew in the hanger ball/downrod assembly.
3. Check to be sure screws which attach the fan blade to motor hub are tight.
4. Check to be sure the fan blade flanges seat firmly and uniformly to the surface of the motor hub. If flanges are seated incorrectly, loosen the flange screws and retighten.
5. Tighten the hanger bracket screws to the outlet box, and/or secure outlet box.
6. Interchanging an adjacent (side-by-side) blade pair can redistribute the weight and result in smoother operation.

WARNING: FOR YOUR OWN SAFETY TURN OFF POWER AT FUSE BOX OR CIRCUIT BREAKER BEFORE TROUBLESHOOTING YOUR FAN!!!

Hope helps.

Sep 02, 2010 | Monte Carlo Dryers

2 Answers

Casablanca stealth fan light scrapes against blade surround


I had same problem with a Casablanca Stealth fan purchased 10 years ago. As suggested by mrfanman2u, I removed the light plate (3 screws) and an additional metal plate (3 screws) with a phillips screwdriver. The flywheel was now exposed. I then loosened the Allen set screw on the flywheel with an Allen wrench and pushed the flywheel further up on the motor shaft. After tightening the Allen set screw and reinstalling the 2 plates the problem was fixed!

Thanks mrfanman2u.

Jun 03, 2010 | Casablanca Fan 3245T Ceiling

1 Answer

The blower wheel slipped down on the spindle which is attached to the motor. This caused the blower fan to freeze up.


Remove the grill/globe and then the light fixture inside. This should provide you access to the motor just enough to move the fan back up the spindle.

Jan 25, 2010 | Broan-NuTone N-8663RP Combination Light...

2 Answers

Fan will not spin unless kick-started


The bearings are dry. They are not really made to re oil. You can try...Try to take the ends off and get some 3 in1 oil in. That's all it needs

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1 Answer

Fan motor noise


Does the fan seem to wobble when it is operating? If so, the fan blades may be out of balance. You can purchase self-adhesive weights to stick on the top of the blades to get them balanced properly. It is a trial-and error process, but it is the easiest and most cost-effective way of reducing fan noise. Other possible causes might be: the fan is loose in its mounting, or the mounting itself is loose .A wire inside the fan motor may be rubbing against some moving part. Also, the fan unit may not be properly grounded, or wired with reverse polarity., causing a 60 cycle "hum".

Aug 05, 2008 | Hampton Bay 24750 Huntington III Ceiling...

3 Answers

Noisey fan


In my case noise was coming from the plastic blade rubbing against the sheet metal housing. I removed the motor and added 2 washers to the mounting screws. The washers acted as spacers and lifted up the motor/blade assembly with respect to the sheet metal housing. The blade no longer rubbed against the housing and the noise stopped.

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10 Answers

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qt-100l-replacement-thwo3sxipgmgtjfqzhk52bks-2-0.jpg

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1 Answer

Blade is loose


on the inner part of the motor [fan side] look for an external snap ring and a fiber spacer. the armature fits all the way into the rear part of the housing, the other housing goes over the motor shaft and must press against the snap ring and fiber washer.

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