Having problems with your Vacuums ?

Folks, My wife and I own a three-year-old Hoover U6434-900 self-propelled "Wind Tunnel" upright vacuum cleaner. The problem is that, even on the highest setting (front-end as high as possible), it gets bogged-down in even shallow pile carpet to the point that the brush stops. I've cleaned the machine thoroughly, pulling hair, thread, dental floss and such from the brush (and everywhere else), including unscrewing the brush end caps and pulling out the cat hair mats which formed in there.

Answers :

Check to see if the V belt sits too deep in the brushroll groove, if it sits too deep you will need to replace the brushroll. the top of the belt should be about flush with the brushroll. also you have to take the screws out of the self propelled unit for the top hood to come off and give you access to the tensioning system and the height adjustment. let me know if you need further assistance
It sounds like the torque from the brush motor is low, or is the belt slipping when it meets the carpet? A good induction motor should try harder the more resistance it meets, it draws more current. Your motor may be weak from shorted turns in the windings or have poor brushes if its brush fed commutator, or a dirty commutator with carbon from the brushes which reduces the current or field strength by "combining" winding loops at the commutator (copper segmented ring the brushes connect to) thru carbon build up.
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Folks, My wife and I own a three-year-old Hoover U6434-900 self-propelled "Wind Tunnel" upright vacuum cleaner. The problem is that, even on the highest setting (front-end as high as possible), it gets bogged-down in even shallow pile carpet to the point that the brush stops. I've cleaned the machine thoroughly, pulling hair, thread, dental floss and such from the brush (and everywhere else), including unscrewing the brush end caps and pulling out the cat hair mats which formed in there.

Check to see if the V belt sits too deep in the brushroll groove, if it sits too deep you will need to replace the brushroll. the top of the belt should be about flush with the brushroll. also you have to take the screws out of the self propelled uni ... Vacuums

Last night as I was vacuuming, I noticed that the belt stop indicator light was on. I pulled out the hair that had gotten tangled around the brush in hopes of solving the problem. It didn't change things. I then unscrewed the entire bottom piece to take out the brush roller. I removed hair from the end piece of the brush roller and reattached the belt; however, I cannot figure out where the microchip is supposed to go so that I can reassemble the base piece by screwing it back together. It seems

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Brush Roll belt stops turning durring vacuuming on WindTunnel self-propelled, v belt is a little loose with handle down. Tensioning roll is engaged OK, but fully at the end of its travel. Replaced belts flat and v, but still stops turning even on high carpet setting when vacuuming. Carpet setting and height adjustment appears to be working OK, roll is clean and turns easily when out. Also turns easily until it engages the carpet. Self propel function works just fine.

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... Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum

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Http://geeksquad.fixya.com/ThreadView.aspx?prdid=40485&thid=782631\015\012No spin\015\012Posted by erin_david on Jul 14, 2008\015\012Vacuum's brush does no ... Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum
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