I have a Hoover UH70035B. The roller brush is not spinning when the vacuum is in the upright position. I removed the bottom plate and the belts appear to be in good shape. I turned the vacuum on after removing the bottom plate and the brush will spin when the vacuum is in the upside down position.
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Make sure vacuum is not plugged in to power outlet. Lay it upside down and remove 4 screws from bottom plate covering brush roll. Remove bottom plate and pull the brush roll out. Clean hair and debris from brush roll and make sure it spins freely. Remove end caps from brush roll if possible and clean debris out. Install new belt around motor shaft then insert brush roll into belt and pull on brush roll to give you enough leverage to stretch belt far enough to put. Brush roll back into position. Reinstall bottom plate and screws. Make sure brush roll will turn before turning vacuum back on. Belt will lose elasticity and should be replaced twice a year.
Tool Needed, flat head screwdriver (larger one works a little better). Serious Safety Precaution: Make sure unit is unplugged. Preliminary: Check: that nothing is caught like threads etc, preventing roller brush from turning. I've had this model vacuum 10 years and have pulled threads out countless times. However it still has the original belt on it. To change belt: 1.) There is a plastic plate underneath roller, towards front.. Pry the 3 tabs at front, the plate hinges downward slightly (to clear the front tabs). Next, there are 2 little clips at bottom of plate. Insert screw driver at each of these clips to fully release the plate the rest of the way. (Or it may even come off without having to pry back on these. The plastic clips need pushed towards front, to clear the ridge that catches towards the back). Pry one, then the other, clip forward, while gently pulling the plate the rest of the way out. (Gentle prying will assure it will snap back together OK, so you still get a good seal.) You now should see the whole roller brush. 2.) Remove the shell/motor cover: To do this, a.) pull off the rug height adjuster lever, and take not where you put it so you won't loose it. b.) push foot release down and keep vacuum bag in the vacuuming/hinged/operating position (not the upright/locked position), and position cleaner on it's side, or upside down. c. Pry around the bottom edge, starting at right corner, then go around, prying in about 4 different places. Shell/motor cover will now easily pull off (upward and out towards front), exposing motor shaft and light bulb. 3.) remove belt from motor shaft. 4. slide roller and old belt out the bottom. 5.) remove old and place new belt on roller 6.) slide roller back into place. 7.) wrap other end of belt on motor shaft. 8.) shell cover, rug height adjuster knob, and bottom plate snap back into place. check that roller turns without much effort. 9.) It now should be ready to plug in and vacuum.
Follow these steps if the Brushes Fail to Spin •If the brushes on your Hoover carpet cleaner fail to spin, there may be a problem---some sort of blockage---with the suction or with the belt that turns the brushes.
Turn the Hoover carpet cleaner over, and inspect the brush area. Debris, strings, or pet hair may be tangled in the rollers, keeping them from turning. Use a pair of scissors to cut away any obstructions in this area. Flip the Hoover carpet cleaner back over, and turn it on to see if cleaning the rollers has solved the problem.
To check the belt, turn the Hoover carpet cleaner over, and remove the bottom plate screw with a Phillips head screwdriver. Investigate the belt area to see if it is broken or has somehow slipped off. If it is broken, you can order a part from Hoover.com or from many of the other online parts stores.
When the belt arrives, simply slide it on in place of the broken belt, reattach the bottom plate and turn the Hoover carpet cleaner right-side up. Turn it on to test your solution.
If you are refering to the roller underneath, the belt nees to be replaced. Simply remove 4 bottom screws and then the roller, Place new belt on roller and thenon motor shaft, pull belt with the roller to install in position and install bottom plate.
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.
when you released the end to slide the new belt on it allows the tension roller to slide into the wrong position. Remove the top so that you can see the roller, at the left side of the roller mechanism there is a screw, loosen it enough to allow the roller to return to the correct position.
Sounds as if the v-belt came off the idler arm or you broke the v-belt. Either way, take the 4 screws out of the plate around the roller brush and make certain the belt is there and that it sits on the idler wheel. If you remove the roller brush you'll see the wheel. Pay attention to how the ends of the roller brush go back into the vacuum when inserting it and put the plate back on. Also check the thicker main belt is in place as well, it's to the left of the v-belt.
Also, the roller brush should stop when you put it in the upright position. Next time just stand it upright so the throw rug doesn't get drawn quite so far into the vacuum.
Replacing a Belt on an Upright vacuum can vary from model to model, but it is basically going to be the same for most upright models.
First you will need to access the belt. Most upright vacuums this is done by turning the machine upside down, and most you'll need to remove the bottom plate by unscrewing (usually 4) screws that hold the plate on. You should see screws that are closest to the actual roller brush, simply remove these screws, and take the bottom plate off. If the machine is a Eureka, or Kenmore, the top agitator housing will be removed from the top of the vacuum, not the bottom.
Once you have removed the bottom plate, or top agitator housing, you should be able to see the belt (or broken belt) along with the roller brush. Remove the broken belt. Make sure that you purchase the correct belt by taking the make, and the model number (located on the back or bottom of the machine). Please note that a broken belt may be 4-5 inches longer then a new belt, as they stretch a lot before they finally break.
Once you have the new belt, you will need to remove the roller brush. Pay attention to how the roller brush fits into the agitator housing, usually there will be fittings on the end of the roller that have to be put in a specific place, or in a certain way to work right. After the roller brush is taken out of the machine, you will need to wrap one end of the belt around a metal pulley on the opposite side of the roller brush. Most pulleys are located where the main housing (handle part) of the vacuum meet the the agitator (floor part) part of the machine. Anyways, wrap one end of the belt around the pulley, and then put the roller brush through the other end of the belt. This is where you'll need to put some elbow grease into it. You'll need to stretch the roller brush and belt so that the brush and belt are stretched back to the place where you took the roller brush out of the vacuum.
Once you have replaced the roller brush with a new belt around it, pull the belt a few times to make sure that the brush spins while you are pulling it, to ensure that the belt is not pinched, and is spinning freely.
I hope this helps. Here's a video showing how to replace the belt on a Hoover Windtunnel Self Propelled model; Feel free to email me if you'd like to send me the model number of your vacuum, this way I can be a little more specific, and give you part numbers. I have all belts for all vacuums in stock. Email; firstname.lastname@example.org. 1-866-468-2288. You may also chat with me by going to our website, www.govacuum.com, and clicking in the top right part of the page. Thanks!