Question about Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum

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Hoover, model # UH30070 Wind tunnel vacuum Brush won't turn. I do not see how to remove this to replace the brush, and besides it's only about a year old! Why is it already broken? There's no visible evidence on the brush that would make it stop, i.e. string, clogged, etc. Can you help?

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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reddevil6
  • 1673 Answers

SOURCE: Hoover wind tunnel upright self

Most likely the flat belt has stretched enough so as to not turn the pulley that in turn turns the brush roll using a V belt. Also there is a small idler wheel, if hook up, then it won't engage the V belt.

Posted on May 20, 2008

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SOURCE: Hoover Wind tunnel V2

Mine was under warranty and they replaced the whole assembly for free. Apparently a quality and/or design problem.

Posted on Jun 17, 2008

  • 120 Answers

SOURCE: Hoover Wind Tunnel V-Belt no longer turns brush

that is the correct belt what you dont see is a tension pulley that when the handle is released pushes on top of that belt giving it the tension it needs. try replacing the other belt, even if it isnt broken it could easily be stretched out ( all belts of that type should be replaced every year - even if you didnt use the machine at all ). if that doesnt work that tension pulley could be damaged you would need to take the bottom of the machine apart to fix that.

Posted on Sep 18, 2008

  • 97 Answers

SOURCE: Hoover wind tunnel cyclonic U5780900

Well, the V belt is normally fairly slack until the handle is dropped below 45 degrees, which is when the belt tensioner assembly drops into place. If turning the brushroll by hand when the vacuum is in this position fails to rotate the self propel pulley, the tensioner is not functioning properly and will need to be replaced.
Also ensure that the brushroll can spin freely by hand, as these have a tendency to melt at the ends and seize the brushroll. I have also seen the groove that the v belt fits into melt itself out of round, which can cause the same symptom as you're describing.
Keep in mind as well that while the rubber belt may appear to be ok, it does have to be replaced every 3-6 months whether it breaks or not. Even though it hasn't broken, if you were to hold it up against a new belt, you would see that the old one has stretched significantly: which can decrease the machine's ability to rotate the self-propel transmission pulley and, in turn; the brushroll.

Feel free to contact me with any further questions.

-R


Posted on Oct 02, 2008

  • 1 Answer

SOURCE: i got new belts but the brush wont turn

Make sure the vacuum is on the carpet setting..the brush won't turn on the hard floor setting..

Posted on Dec 28, 2008

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2 Answers

Where is belt located on Hoover wind tunnel vacum. And how to replace it. My brushes are not spinning.


Its usually located underneath the body of the unit, turn it upside down and you should see the beater brush. You need to open the bottom cover to get at the brush and drive belt.

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Is it necessary to take the vacuum cleaner apart to change the belt on a Hoover Wind Tunnel Self Propelled vacuum cleaner, model UI6460-900? If so, how is that done? If not, how do you get the belt on...


To change the belts, make sure the vacuum is not plugged in. Lay it upside down and remove the screws holding the bottom plate on. Remove the bottom plate, pull the brush roll out noting how the belt goes so you will know how to put it back together. Especially how it goes around the idler pulley. Remove both belts, replace both belts, install the V belt onto the transmission first then around the brush roll and put the brush roll in place. Install the flat belt around the motor shaft and then onto the transmission pulley.

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1 Answer

How do you change the Hoover wind tunnel belts?


If you turn the vacuum over there will be (4) screws that hold on the base cover for the roller brush. Remove the screws and the cover and you can get to the belt(s). You can get replacement belts here:

Hoover Windtunnel Belts

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2 Answers

I got new belts but the brush wont turn


Make sure the vacuum is on the carpet setting..the brush won't turn on the hard floor setting..

Dec 16, 2008 | Hoover U6437-900 / U6439-900 Windtunnel...

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Hoover wind tunnel upright self propelled. U6473-900. Brush does not work. Heard it was a 'brush controller' problem and can be fixed. Please tell me how.


Most likely the flat belt has stretched enough so as to not turn the pulley that in turn turns the brush roll using a V belt. Also there is a small idler wheel, if hook up, then it won't engage the V belt.

May 20, 2008 | Hoover Self-Propelled WindTunnel Bagless...

1 Answer

Poor suction-need to know how to remove & clean filter under canister of Hoover Wind Tunnel Mach 4.7 Twin Chamber System.


I assume this is a Hoover Bagless, if poor suction, the hose or dirt inlet by the brush roll may have a clog. The filter inside the dirt container may need replacement. Some had a screw to take out to remove the cover for the filter, the one under where hte dirt container sits. Alos the belt may be stretch and won't turn the brush roll under load. Having the model number would help.

Apr 19, 2008 | Vacuums

1 Answer

Edge of carpet went into carpet; was removed, but now all rollers on the unerside don't function.


You didn;'t say what the problem is, but I assume that the brush roll is not turning. Take of the cover over the brush roll, then you can get to the brush roll and the belt. The belt probably came off or broke. Best to replace the belt.

Jan 07, 2008 | Vacuums

2 Answers

Hoover Wind tunnel V2


Either the brush rolls are bad, ends are bad, or the gear housing/motor asm. is bad and will have to be replaced. ee84874.jpg

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