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

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WindTunnel HEPA Filter won't spin

I have a Hoover WindTunnel 2 Bagless with the lifetime HEPA Filter. The vacuum wasn't picking up so good, and i noticed that the HEPA Filter was totally clogged! I was able to clean it and now it won't spin??? Which is probably why it got clogged in the first place.

Any assistance is greatly appreciated!

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  • Anonymous Sep 07, 2008

    My wind tunnel has NO spinning action. The rollers are spinning but there is no wind sucking up things.

  • nelliehp Sep 09, 2008

    I just spent over 2 hours trying to figure out the HEPA filter issue. I was able to get it all cleaned out, including the large amount of dirt stuck behind the filter.... all to no avail. The filter still only wavers back and forth but will not fully rotate. I called customer service that was a joke! If anyone has any other suggestions I would greatly appreciate it. The nearest hoover repair store is 60 miles away so that is out of the question.

  • sparky2000 Oct 23, 2008

    Yes, my wife found my windtunnel not spinning, I think it is activated by the vacum when it is released from the up right position to the operational position( unlock with foot swith ) and the spinner is not rotating,

    ANY IDEA'S. Thanks!

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I just fixed my HEPA filter not rotating!!

It involves taking apart the vacuum HEPA area. All screws are the same size. There are a LOT of 'em. Really straightforward putting it back together too.

ok, once you take the HEPA canister area off the vacuum, careful with the wires! Unplug them from the controller board. You open up the HEPA chamber by removing more screws until you see where the motor that turns the filter is mounted on the side. Remove motor from the green chamber. Note where the washer goes. Once the motor is off, you'll see that the center hub that drives the HEPA filter is rounded out. What I did was jam little bits of aluminum from a pop can into the space between the circle and the square to force the walls back to square. I started by folding a little piece of aluminum over and over so it was about three layers thick. Jammed that in. That wasn't quite enough thickness so I shoved another piece with it. If you can find something that is about 4 times the thickness of a pop can aluminum, that'd probably work too. Slight wedge shape on the tip would help. Any sort of tiny shim.

To test your work, just put a couple of holder screws into the HEPA cannister housing, plug in the cover/switch, plug in the HEPA moter. Turn it on for a few seconds to make sure the filter turns. Then you can add more thickness to the hub or put things back together.

Posted on Oct 12, 2008

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I had the same problem and I did the action described in solution #2 but the filter stopped rotating after aabout 5 minutes of vacuuming. I then went back in to the HEPA filter and removed the black scrapper piece (not the little black clicker shaft thing) and so for it is still working. One additional remark on the motor. The plastic rotator the turns the filter has 3 sections. Two slice half moon slots and one rectangle slot that the filter shaft fits into. I cut and shaped a popcycle stick and inserted one into each of the half moon slots to firm up the fit of the rectangle slot. That has given a less flexible area to hold the HEPA filter shaft. This is good.

Posted on Feb 17, 2009

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Test - don't want to post unless I know this will work.

Posted on Jan 03, 2010

  • kokobware Jan 03, 2010

    Was able to fix mine too. Hepa was wobbling slightly but not moving. Problem was the gear that engages to the shaft that moves the hepa was failed. The gear has a slot for the driveshaft in the centre, and voids to either side. Those voids are presumably to cause the gear to fail, saving damage to the tiny little cheap motor that turns the hepa. Fill the voids with round toothpicks until the centre slot is the same shape as the shape on the opposite side of the gear (not too many, you'd never get them back out.) Break the tpicks off flush and put it back together.

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Sorry everyone but that is a common problem, the filter gets so dirty it stops spinning and then burns out the motor that is supposed to turn it. It is a nightmare to fix.

Posted on Sep 16, 2008

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