Broan-NuTone N-8663RP Combination Light Fan Exhaust Fan Logo

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Posted on May 05, 2008
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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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  • 1 more comment 
  • 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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  • Posted on Dec 05, 2009
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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.

  • 3 more comments 
  • Anonymous Sep 08, 2012

    Thanks Jackietuzo! This absolutely did the trick.

  • Anonymous Sep 08, 2012

    Thanks jackietuzo! This worked perfectly!!

  • Anonymous 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 :(

  • wavesfix Oct 19, 2018

    A push nut is a type of fastener that you push onto the spindle/axle. It has spring teeth that prevent it from sliding off the spindle (see images for different kinds of push nuts - they all work the same way). The fan does not come with a push nut, but you can get one from a hardware/home improvement store in the fastener section, or online. An "e-clip" is similar and may also work. Check the size of the spindle to make sure you get the right size push nut or e-clip.

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  • Posted on Jul 03, 2009
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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-clip or similar) of the appropriate size on the shaft below the blower wheel to keep it from sliding down. The manufacturer should have included this in the original design!

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    0996b43f80232353.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Using suitable tools loosen and . . .


    0996b43f80232351.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. . . . remove the hub retaining nut dust cover
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    0996b43f8023234f.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Using suitable tools, loosen and . . .


    0996b43f80232352.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. . . . remove the hub retaining nut
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    0996b43f80232350.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Carefully slide the hub and bearing assembly off of the spindle

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How to install a front blower motor in a 96 ford explorer
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(see Figures 1 and 2)

8e5714d.jpg

Fig. 1: Exploded view of the blower motor mounting

ff3bdf8.jpg

Fig. 2: Exploded view of the blower motor and wheel (fan) assembly

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2587a00.jpg

Fig. 3: To remove the blower motor, first disconnect the electrical wire harness plug...

f234e79.jpg

Fig. 4: ...then remove the blower motor cooling tube from the motor
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3bbd0e1.jpg

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8da3ac1.jpg

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What is cause of faint burning smell from dryer? I believe my recent repair may have damaged motor shaft pulley so causing friction with rubber drum belt. Do I need to repair belt & motor?

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