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

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Flat belt on Hoover Windtunnel requires to be replaced regularly

After replacing the belt and using 3 to 4 times the belt stretches and begins to slip and overheat. I would expect the belt to last longer than 3 to 4 times (approx a month), is this normal?

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No it is not normal. The brush roll may be bad causing extra stress on the belt. The other option is the belt is installed incorrectly. I believe this model has a brush on/off option and the belt must be correctly installed around both the motor shaft and the shaft for that brush on/off switch.

Posted on Apr 16, 2009

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Hello there! If you have replaced the belt and it is still slipping off, you may be not have the right belt for your vacuum. This unit takes a flat belt and a v-belt. Make sure you are replacing the belts with Genuine Hoover Parts. I have included the links below where you may go to order the belts specific to your cleaner.

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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.

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http://www.vacbelts.com/hoover-self-propelled-windtunnel-belt.htm

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A belt will slip off because it is stretched, or the brush bearings are worn, or the motor drive shaft is misaligned.
Hoover belts fit snug.
After as little as week they begin to stretch. Even though they are not broken, they will spin loose. IF you can stop the brush with little effort and the belt keeps moving the belt is stretched. Do not buy a belt buy size, buy it by model. But 2 and store your spare under the hood of the vac if possible.For best cleaning results,change every 3-4 months if you vacuum weekly. 6 months at most.
Most times your old belt will be stretched as much as 30% oversize. If it looks shiny inside it has likely been slipping.
Before reinstalling check that your brush rolls freely and clean the bearings at the end of the brush roll.. Once reinstalled check it again before turning on the vac.

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The Hoover Windtunnel™ Self-Propelled models have two belts, a flat belt and the V-Belt. This V-Belt is the one that drives the Brush Roller. After about three months, most belts stretch out causing them to slip. This means the brushroll turns slower or not at all and the self-propelled becomes increasingly harder to push. It is recommended that both belts should be changed at the same time.

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I have a Hoover self-propelled windtunnel, purchased 6-04. It gets light use. I have replaced the v belt 3 times, once under warranty, and it must be replaced again. It appears to be in very good...


http://geeksquad.fixya.com/ThreadView.aspx?prdid=0&thid=675093
Generic problem for all Vacuums
I have a Hoover self-propelled
Posted by klsh on Jun 16, 2008
I have a Hoover self-propelled Windtunnel, purchased 6-04. It gets light use. I have replaced the v belt 3 times, once under warranty, and it must be replaced again. It appears to be in very good condition, but is stretched too big. When I purchased 2 v belts a year ago, one was already too stretched, but when my Dad took it back, the salesman put it on another model and said it was fine (Dad never mentioned this to me). Is there a way to adjust the vacuum to hold the belt tighter? Do they really just stretch out like that normally? The flat belt has never been replaced and is in great condition.


Hello,
I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure. It is a good idea to change your flat belt every 4 to 6 months as a rule and the V belts @ least once a year and always use the genuine Hoover belts, there are generic or replacement belts out there but they have a tendency to stretch faster then the genuine belts. What you mentioned is not unheard of and another tip is to store any extra belts in a Ziploc bags in the refrigerator. Feel free to contact your local vac dealer if you have questions or call Hoover factory and ask for tech support. So if you need further assistance, please feel free to contact your local vacuum cleaner dealer in your area or in the yellow pages, or contact the factory phone number or website to further assist you with your questions.

http://www.hoover.com Telephone
Contact our Customer Service Department at 1.330.499.9499
Monday through Friday
8 a.m. - 7 p.m. EST

Thanks, Don the Vac Man
Go Ahead. Use Us.

Jun 16, 2008 | Vacuums

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