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

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Replaced the belts on Hoover WindTunnel U6473-900/brush won't tur

I have replaced the belts on my vacuum but the brush won't turn. The larger belt is turning but the smaller one is not. It is the correct belt for the vacuum but it looks as though it is too big around so it isn't connecting with the brush.

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There is a belt tensioner that maybe not contacting the belt when you tilt the handle back, It is either jammed and not moving up and down freely or it is broke. Look down below the belt, there should be a small wheel, that has to contact the belt.

Posted on Dec 29, 2008

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Posted on Jan 02, 2017

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2 Answers

How do I replace the smaller belt that attaches to the brush


Hello! Follow the steps below to replace the v-belt on your Hoover.

1. Slide flat belt off large pulley.
2. To remove v-belt, slide back of belt over pulley. Then firmly pull on belt and snap it off. Discard used belt.
3. To install new belt (with lettering on outside of belt) slide back of belt over pulley and pull front of belt toward groove next to pulley. Belt will pop into place.
4. Insert brush-roll through belt and position belt in groove on brush-roll.

I have also included a link you may visit to view the owner's manual and these instructions.

http://hoover.com/file/509/

Jun 30, 2014 | Hoover U6476-910 WindTunnel Upright Vacuum...

2 Answers

I need to replace the belt. Have the belt and the vacuum bottom off. What do I attach the belt too?


This unit has 2 belts. The V-belt on the brush usually doesn't cause problems. The larger flat belt requires regular replacement ( belt # 38528-035 ). The belt is first placed around the motor shaft toward the rear of the machine, and then around the large pulley. You must have strong fingers to stretch the belt over the drive pulley. Start the belt at the top of the pulley, and try to "roll " it around the pulley a little at a time, holding the belt firmly around the pulley as you go.

Feb 21, 2011 | Hoover U6437-900 / U6439-900 Windtunnel...

1 Answer

Hoover windtunnel t series belt is loose- roller brush doesnt turn. Its brand new belt is slipping. we bough new belts and putthem on same problem. Can not find solutio in manual. Is the belt supposed to...


I also have a loose belt and have bought additional belts but have the same problem. I put the it around the metal rotor and around the brush roller a shown by he Hoover video, and it is loose.

Nov 28, 2010 | Hoover S3765-040 WindTunnel Bagless...

1 Answer

The windtunnel vacuum has suction but does not pick up the dirt. I'm puzzled as to what might be the problem. Help!


The problem is that the belts are stretched and worn and slip instead of turn the brush when it is put against the resistance of the carpet. You simply need to replace the belts. Here are the (2) belts you need and the manual with instructions:

Hoover self-propelled windtunnel belts

Manual

Jan 02, 2010 | Hoover U6437-900 / U6439-900 Windtunnel...

1 Answer

Brush does not turn because belt is loose


You need a new belt that isn't stretched. You can get a replacement here:

Hoover Windtunnel Belts

Dec 06, 2009 | Hoover U6437-900 / U6439-900 Windtunnel...

1 Answer

Describe how to replace belt on hoover windtunnel bagless


If you turn the vacuum so the bottom is facing up you will see the base plate that covers the roller brush. There will be four screws (usually phillips head), remove the screws and the base plate will lift off. You now have access to the roller brush and belt. Lift the roller brush up and remove the old belt. Place one end of the new belt over the motor shaft and the other end over the roller brush and put the roller brush back in place. Now simply replace the base plate and you're done! This models requires Hoover belt # 38528033 (single) or Hoover belt #40201160 (2 pack). You can get this belt at www.vacbelts.com.

Here's the pages:
http://www.vacbelts.com/hoover-40201160-belt.htm
http://www.vacbelts.com/hoover-38528033-belt.htm

Oct 15, 2009 | Hoover U5750-900 WindTunnel Bagless...

1 Answer

Changing belts


Turn vac over, remove the 4 screws holding the bottom plate covering the brush roll. There are 2 belts, one is a V belt ( 38528034) for the brush roll, the other is a flat belt (38528035) that goes from the larger pulley and the motor shat, put it on the motor shaft then stretch it to go over the pulley.

Jan 22, 2008 | Hoover U6437-900 / U6439-900 Windtunnel...

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