Question about Eureka Sanitaire S663 Upright Vacuum

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The impeller is damaged the local store has 1 in stock but how do i get the nut off the motor shaft

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Hold the inpeller tight and turn the nut with spanner, you might find it's a lefthanded thread ,so unscrew anticlockwise,

Posted on Nov 07, 2012

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2 Answers

Remove fan housing from oreck vacuum


First off take the bolt of the fan, that will allow the fan to come off of the motor alowing the fand cover to come off it takes some effort but it will come off. Best of luck, sincerely daxter.

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Installed plastic impeller backwards. How can I stop the motor from turning to get the nut off?


With power off, block the motor shaft to prevent rotation while you remove the nut.

Jan 31, 2011 | Koblenz U110 Upright Vacuum

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I cannot remove a broken fan from a hoover upright vacuum. i have the machine diassembled, but cannot remove the fan from the shaft.


sometime you have to take the motor apart and hold the armeture but you have to be careful not to damage it or if you have a good impact it will come loose with that

Feb 28, 2010 | Vacuums

1 Answer

Vacuum has become very loud screaching sound


Yes, I would say the crack is causing the screaming sound.

Usually the fan (impeller) is held on with a left-hand nut. To remove it, you have to hold the motor somewhere (sometimes you can just hold the impeller), put a wrench on the shaft nut and turn it clockwise. The impeller should then just pull off (with possibly some wd-40 and a little muscle).

Apr 22, 2009 | Vacuums

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Hoover U4395 Vacuum fan (impeller) broke


this is a left handed thread
you mite have to hold the other end of the shaft twith a pair of pliers , to un screw it

Feb 06, 2009 | Hoover Vacuums

1 Answer

Hoover U5750-900 just shuts off


I have a similar bagless model U5757-900 that is shutting off. I disassembled the unit, and what I found is that the motor front bearing had accumulated enough grime so that the bearing locked up. When this happened, the bearing outer shell spun in the plastic housing, causing it to soften, from friction heat. This allowed the motor shaft to become off center from the normal, centered axis of rotation. Once this happened, the rotor inside the motor began to rub against the stator, the fixed part of the motor inside. This loaded down the motor, causing excessive current draw, which caused the overheat switch to activate, shutting down the machine.

In your case, it might not be as bad as in my case.

Remove the dual-cannister dirt cup.

To find out, disassemble the unit lower section: on bottom, remove 4 screws around the rotating brush housing. Remove the brush cover, then remove the brush, then remove the belt. Remove the wide plastic housing behind the brush. Remove the two screws, from the bottom, that retain the upper hood. Remove the hood.

On the back, remove the two screws and hose retainer going from the base to the upright section. This releases the hose from the lower section.

Now press the tilt release, and lay back the upright section. Remove the four screws, two on each side, from the trunnion caps, where the upright section tilts on the lower section. Remove the trunion caps. Remove the upright section from the lower section.

Remove the headlight cover (2 screws).

From the back, remove the single screw retaining the bezel above the headlight area.

Slide the bezel upwards and remove.

Remove the four screws that retain the motor cover clamshell. One is from front, and other 3 from rear.

Open motor clamshell halves to expose motor.

Note orientation/position of the three wires on the motor, and remove those wires. Lift motor out.

To open the motor, gently tap the edges of the impeller housing (aluminum shell) on the edge of the shell, in the little gaps around the shell.

Using a 1/2" socket, remove the nut in the center of the impeller. This is a LEFT HAND NUT. TURN RIGHT TO LOOSEN IT.

Gently wiggle the impeller while pulling until impeller comes off of motor shaft. Use a glove so the impeller doesn't cut your hand.

Remove the large flat washer on the motor shaft. Remove the small sleeve from the motor shaft.

On the brush end of the motor, using a small screwdriver, pry out on the brush holders. Set them aside.

Remove the two screws holding motor together. Seperate the motor front from motor rear. Withdraw the motor rotating part.

Look into the inside of the stator, inspecting for bright, shiny areas where the rotor may be dragging on the stator. If you see these, then the front bearing, in the plastic motor frount, is fried. I don't think Hoover sells this part alone. Also inspect the plastic front bearing retainer to see if there is any melting that has allowed the bearing to become off center.

In any case, if there is scrubbed out places inside the stator, then the motor requires replacement, about $70 for the motor... You might be able to find an entire new vac for less... or, like me, find one on the side of the street where someone has tossed out a unit.

You may luck out and find that the impeller unit is just filled with some trash so air cannot get to the motor for cooling... or you may have a shot motor.


Jan 03, 2009 | Hoover U5750-900 WindTunnel Bagless...

1 Answer

Rainbow 2e Overheats... its the Electric Motor cooler fan......


It is pressed on, that is why you have a splined shaft. If you use a socket or nut driver, you can knock it ino place with a hammer. But don't hit too hard. you don't want to damage the end.

May 29, 2008 | Vacuums

1 Answer

Rainbow SE (1991)


little fan first, then hour glasss spacer washer side down then larger fan, with spacer sticking throug then small fan. then normal spacer. assambley starting from top part down, your local vacuum cleaner shop should have switches or contact rainbow, but will be cheaper to go local store

Mar 26, 2008 | Rainbow E series Canister Wet/Dry Vacuum

1 Answer

Hoover Elite II Model # u4689-910 Impeller replacement


I have had to use a dremmel tool to cut the plastic around the shaft, you can also something sharp and a hammer to break away the remainer of the fan. There are no threads on the fan so to keep truning it may or may not get it off. Just have to watch and not damage the motor shaft and housing.

Dec 31, 2007 | Vacuums

1 Answer

Has no suction


I just went through the same thing.  Your fan or impeller is probably broken off the shaft and no longer on the motor shaft.  My local repair shop wants $9 for the impeller and $29 to replace it. You will have to take the thing apart and put on a new fan or impeller blade and I'm still trying to do that to my vac.  I think I will have to heat the nylon impeller with a hair dryer to get it onto the shaft and then tighten the left hand nut. My vac is held together with torx screws so add a torx screwdriver to the price if you don't have one and want to do the job yourself.

Aug 19, 2007 | Eureka Whirlwind 4383 Upright Vacuum

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