w if it is belt driven and how to get at the belt to identify the size and purchase and install a new belt. Thank you for any assistance.

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

How to Identify and Fix Common Vacuum Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced Vacuum Technicians :

A beater bar is a smoothly contoured metal agitator bar on a rotating brush roller. See below image. It works in conjunction with bristle brushes to gently beat the fibers, when the beater bar rotates, to loosen soil and allow the brushes to comb away the soil into the suction ports of the vacuum.
A carpet beater bar is essentially a floor nozzle for a vacuum equipped with a rotating beater bar that spins while the vacuum is in use. By spinning, it agitates the carpet and loosens any lead dust that might be stuck in carpet fibers.
Roller brush is not spinning

Check to make sure the vacuum is switched to the correct mode. The switch should be in the Power and Brushroll mode to make the roller spin. If it is in just the power mode the roller will not move. The brushroll indicator light should be green when working.

A vacuum cleaner`s brush roller also called the beater bar assists in cleaning your carpets and depending on your vacuum model, a variety of floors. The brush roller is usually located under the vacuum cleaner and some in the attachment tool.
The powerful airflow from the vacuum can help shake dirt and debris loose and pull them into the vacuum. Without the fan, a vacuum couldn`t work at all. But the roller brush is critical, too. It`s necessary in dislodging deep dirt and stuck debris, and it helps clear a path for air to carry dirt into the vacuum.
Discovering the advantages of the on/off brush roll

When vacuuming hard surfaces, the brush roll can often push dust and debris away from the vacuum before it can be suctioned. Turning off the brush roll switches the vacuum to “suction-only” for quick and easy cleaning of hard floors.

If the vacuum`s floor roller is not spinning, the vacuum simply may not know that you want it to be rolling. Make sure that the power switch is in position II “Brush Roll On.” If the vacuum is not in this setting, the floor roller will not turn.
The porous surface of the roller holds much more paint than a brush and distributes an even layer of paint much faster. Different finishes can be achieved with different rollers: Rollers with a smooth surface will produce a smooth finish. Rollers with a thick or fluffy surface will create a more textured finish.
Brushes. According to iRobot, brushes should be replaced every 6-12 months. Robot vacuums like the iRobot Roomba j7+ have multiple brushes that allow it to clean.
Inspecting the Vacuum Commutator for Motor Brush Problems

Test that by turning the motor off and pushing on the center shaft, the armature. If it has any play, besides spinning, then replace the motor. If solid then replace the brushes – motor brush replacement instructions.

Almost every time that the brush stops turning, it is because of hair wrapped around the brush roller. You will burn out the belt if you use it too long in this mode. Your only fix is to take it apart and and clean it (and cut any hair stuck in it in the process).
With lukewarm yet soapy water, you can wash your Dust Brush bristles for 15 minutes to remove the dirt and dust.
If your vacuum cleaner has lost suction power, it`s time to empty the container. Vacuum cleaners come with various foam or mesh filters. These might get clogged over time if not cleaned or replaced properly. This will cause your vacuum to lose suction.
Vacuum cleaners work because of Bernoulli`s Principle, which states that as the speed of air increases, the pressure decreases. Air will always flow from a high-pressure area to a low-pressure area, to try to balance out the pressure.
Some users can get away with very occasional brush cleanings, but once a month is safest for most – particularly if tangled hair is a regular issue for your vacuum brush roll. The more often you clean your brush roll, the easier it will be each time.
When you vacuum water, you could damage your vacuum`s motor, risk electrocution, and make a huge mess. Unless your vacuum is a wet/dry vacuum rated for water, you should never vacuum water.
When you use a vacuum cleaner without a HEPA filter, these particles are stirred up and put back out into the air through your vacuum`s exhaust. Regular filters can`t remove these harmful particulates and this puts the people in your home at risk.
Remove the brushroll and clean all hair, string, and lint from the brushroll bearings. If the vacuum cleaner brush still doesn`t spin after you clean the brushroll, consider replacing the brushroll.
The Shark Rotator Powered Lift-Away has one rotatory belt. The belt is responsible for the mechanical rotations of the brushroll. Without it, the vacuum will not function.
1. Motorized Brush Head. Sometimes called the “power nozzle,” this large attachment has a rotating brush to clean carpets more like an upright.
After a year or so, you may need to replace your vacuum`s beater brush. If the bristles seem to be squished, broken or are varying heights, it`s time to replace the brush. These can be found online with the vacuum`s brand and model of your vacuum cleaner.
There are five main types of artist brushes: flat brushes, bright brushes, round brushes, Filbert brushes, and sable brushes. In flat brushes, the shape of the brush is relatively wide but not very thick.
Ceilings and Drywall – Medium 3/8″ nap roller covers work best. Walls, Wood, and Metal – Small 1/4″ nap roller covers or foam rollers will produce the smoothest finish. Light to Medium Textured Surfaces – Microfiber rollers are best. Smooth Surfaces – Use a white woven short nap roller for an ultra fine finish.
Grab a new brush! The most popular types of paintbrushes are Round, Liner, Wash, Angular Wash, and Fan. Each type of brush has different sizes to help you cover larger areas or get those fine details depending on the size and subject of your painting.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Beater Bar The “Beater Bar” or roller with brushes on it, is not spinning, therefore not picking up. I cannot locate my manual and need to know if it is belt driven and how to get at the belt to identify the size and purchase and install a new belt. Thank you for any assistance.

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ANSWER : Take off the bottom plate, then you can get to the brush roll and belt, on the model number plate, the number of the belt is on that, it is also on the belt if you can still make it out.

Hoover WindTunnel Self-Propelled V Belt
ANSWER : I had this same problem with the V belt on my Hoover Vaccuum..
.There are three (3) basic things that will cause the brush roll not to spin..
.1. When handle is upright, brush roll is OFF..2. When switch is set for HARD surface, brush roll is OFF..3. Broken/worn FLAT belt or V Belt, brush roll will not spin.
.
.I noticed that the brush roll was not spinning when my vacuum was set for CARPET. After removing the cover I noticed that the V belt was loose, I thought the belt was worn so I purchased a correct replacement belt and installed it, but the new belt was also loose and when I turned the large flat belt pulley it did not turn the V belt pulley at the same time..
.I double checked the surface setting and I had the vacuum switch set for carpet, but still when I released the handle out of the upright position the brush roll would still not spin..
.My aggravation finally led me to this posting on FixYa’s website..
.The first thing I did was checked the screw to the left of the V belt as suggested by ejmjr5 and this did nothing to solve the problem or create more tension on the V belt, even when the upright handle was not in the upright position..
.After playing around with the surface setting control switch/nob I notice that when I moved the switch out of the HARD surface setting and over to CARPET, I had thought that the switch was set for CARPET as it visually appeared, but I was not pushing the switch over hard enough to click it into the CARPET setting mode..
.VOILA, the brush roll now spins correctly even though the V belt seams to be too loose for the pulley..
.You really have to force the switch into the CARPET setting. Be sure that you hear the switch/nob click into place..
.Now you can effectively clean up after that hangover of a party!.
.Burp!

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 go around the “metal pulley”. I know it goes around the little metal motor thing, then thru the guide and around the brush.
What is the metal pulley??? Is is the larger round silver thing between the guide and roller?
ANSWER : 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.

Brush Roller Wondering if I need a new brush as well as a belt. The Roller seems to have trouble spinning when it makes contact with the carpet no matter how the height is set. Everything else seems to work fine. Do I need a new roller to fix this problem?
ANSWER : The bearings can go bad in the brushroll. It may need replaced, even if the brushes aren’t worn. Helpful link….
.
.http://stores.ebay.com/CLICK-HERE-FOR-GREAT-DEALS_NEW-REPAIR-REPLACEMENT-PARTS_W0QQcolZ4QQdirZ1QQfsubZ3356845QQftidZ2QQtZkm
.
.Marci

Windtunnel belt I have a new Hoover Windtunnel canister. The belt keeps coming off. It happened a couple weeks ago (several times after putting the belt back on) so I assumed I might need a new belt as it might have dried out at the store. I ordered new belts and today I used it for about an hour and the belt came off again, twice. There doesn’t seem to be anything to hold the belt on the stem as it seems to slip off. I have tried it centered, to the left and to the right….can you help. I am v
ANSWER : I’ve successfully used a compatible belt – Royal 104425001 .It’s still new, but for the time being at least – it works.

My Dyson Animal has good suction and works fine for actually picking up dirt, but when I use the vacuum with the roller, I hear a grinding/rumbling noise. Its only when I use the vacuum with the brush rotating. It does not happen hen I shut the roller brush off. The belt is fine. I cannot figure out what is wrong as there are no clogs, debris, or foreign objects stuck in the brush or in the belt. The noise seems to be the only issue. The vacuum picks up fine. It just doesn’t sound right a
ANSWER : Trace the path of the suction into the tank and see if there is anything loose or ingested..Also, remove the brush and clean as best you can. Perhaps there is something caught in it. Lubricate where it makes sense with some WD40.

Owner/user manual Before my sister died she gave me the little grren machine model 1425 turbo brush with heat. That is all I know about it as she did not find the manual and now no one knows where it is and I really want to get it working and learn about it, as I know she loved it. so I really need a manual. thank any one that can tell me if it is on line or something.

I had a shoelace get stuck in the beater bar. I turned it off, tipped it over and untangled the shoelace from the beater bar. When I plugged it back in the vacuum ran but the beater bar was not turning and there wasn’t any suction. Is there a reset switch for the beater bar? Thank you for your help, Janet
ANSWER : Hi Janet. there is a small reset button on the outside of the head next to the brush that you can push to get it to start spinning again.