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How to Identify and Fix Common Vacuum Problems ?

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Before you spend your time trying to go back over the same areas, hoping you`ll get it all cleaned up the second time around, check out your brush roll and belt. If you`ve cleaned your brush of any sticky stuff and hair, and it all looks fine, you`re likely dealing with a stretched belt.
You should replace the belts on your vacuum at least every three to six months if the vacuum is regularly used. This is very important for proper cleaning.
An over-tightened belt can burn out any bearing that the belt rotates on, including alternator, power steering pump, A/C compressor, idler pulleys, etc. An over-tightened timing belt can ruin any pulley bearing it is connected with.
Inspect the belt to see if it is broken, stretched out, or out of place. If the vacuum cleaner belt is broken or stretched out, replace it. Need help finding your model number? Inspect the belt to see if it is broken, stretched out, or out of place.
If too much hair, string, or lint is caught in the brushroll, the brushroll can get stuck. If the brushroll is stuck, it will put too much strain on the belt and may cause the belt to break. Remove the brushroll and clean out any debris from the bearings. After replacing the brushroll, make sure that it turns freely.
Introduction: Duct Tape Vaccuum Belt

Have you ever broken a belt on your vaccuum and didn`t have a chance to buy a new one? You can make your own out of duct tape for a TEMPORARY fix. This belt is for TEMPORARY USE ONLY, you might damage your vaccuum if you overuse this belt.

You should replace the belts on your vacuum at least every three to six months if the vacuum is regularly used. This is very important for proper cleaning.
Next to the motor, the belt on your vacuum is just about the most important part of your vacuum. Without the belt to spin the brushroll, most vacuums won`t pick up on carpeting at all! If your vacuum uses a rubber belt, check it once a month for cracks, melting, and especially, slippage.
Its time to open the windows, air out the house and change that vacuum belt. If you`re smelling rubber, the belt has either burned out and snapped or the belt has become so stretched out that the roller is not moving and the vacuum belt is getting super heated from the motors RPM.
An incorrectly routed drive belt that makes the coolant pump to rotate in the opposite direction will cause overheating. This is possible when a belt of wrong size is used. The serpentine belt is a very important part of the engine, for those engines that use it.
Since you`ll likely only replace your serpentine belt once during the life of your car, it`s generally recommended to take your car to a professional mechanic. You can do a lot of damage to your vehicle if you drive on the road with an improperly installed serpentine belt.
To break in a belt, use low gear (if available) while varying speeds and avoiding wide open throttle for 5 to 10 miles. If no low gear is available, vary at moderate speeds while avoiding wide open throttle for 50 miles. Breaking in a belt is about more than a set number of miles and avoiding high engine RPM.
If the old belt is still intact, reach beneath the drum and depress the idler pulley to release the tension, then disconnect the belt from the idler pulley and motor drive pulley. To remove the old belt, slide it over the front of the drum. Replace the old belt on the drum.
When the belt snaps, your dryer drum will not be able to rotate around, so it needs to be replaced. Thankfully, it is quite easy to replace.
The most common cause of belt coming off

A loose drum pulley is the most common cause. The pulley should not be able to be moved, apart from obviously round and round as it turns the drum. It should be bolted firmly to the drum spider with no play in it.

If your washing machine is not spinning but is making noise, a broken drive belt, or a drive belt that has slipped off the pulley wheel, might be the culprit. To determine if this is the case, remove the back of the washer and visually check to see if the belt is still on the pulley.
You should be able to take a deep belly breath and then forcefully press your core against the belt without raising your shoulders. If there is slack when fully inhaled, the belt is too loose.
A high-cut waistline relies primarily on the tops of your hips, while a low-cut waistline relies primarily on your butt. A mid-cut waistline uses a bit of both. But if your pants sit in the wrong spot (or a different spot than your belt was made to support) your belt won`t be able to do its job very well.
There should be no movement or play from side to side. Misalignment – Misaligned pulleys will cause belt chirp noise problems and are caused by worn bearings.
Warm The Leather Straps

Water Fill a basin with warm water, submerge the leather straps in the water, and gently twist or knead the straps to help them absorb the water. Leave them in the water for up to ten minutes; then, gently stretch the leather straps to the desired length.

The two part numbers seen on the image below come on every belt sleeve. These numbers give important data with regards to the “effective” length of the belt. The effective length is a measurement of the entire length of the Micro-V but it is measured at the cord line versus the outside circumference of the belt.
Replace the Brush Belt

If the vacuum is still hard to push, tilt it back far enough that you can inspect the moving brush while the vacuum is running. Be careful to avoid getting too close to the moving parts. If you see that the brush is not turning, that means you will need to replace the brush belt.

The serpentine belt need constant tension on the belt to keep it from coming off. If the belt alignment is not aligned then the belt may come off. The tensioner may be out of alignment and not putting enough tension on the belt. Have a mechanic check the tensioner and replace it if needed.
I have had a chip in the cord of a vacuum . You can wrap it in electrical tape . I`d wrap it again in silver duct tape so I could be very sure of the repair won`t catch and unfray when you vaccuming .

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

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.

The original belt on my upright Kenmore Progressive broke and I replaced it with the spare that was in the vacuum. The vacuum and spare belt are about 10 years old. Then the spare broke after one vacuuming session and there was a burning smell coming from the vacuum. I ordered new belts and replaced it with the new belt. It seems to be working fine with no smell. I checked the belt after I vacuumed the family room and although it was in tact, the belt was very hot. Is that normal? Should t
ANSWER : The belt heats up due to the friction, as well as being in contact with the shaft of a hot motor. It is normal.

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!

Brushes are not rotating, V-belt seems too loose
ANSWER : V-belt suppose to be loose (according the manual). I just replaces it (and was worry that it is loose), but brush rotating fine. So your problem is somewhere else.

Hoover Wind Tunnel 7500 Brush not Turning. I have replaced the Brush and the belt. The problem does not seem to be either to me. I believe might be a missing part. The place were the belt hooks on is a metal pole which never seems to grip the belt well. In fact it seems loose most of the time and slips on the brush, causing the belt to eventually burn up. Could there be a missing plastic or rubber piece meant to hold the belt taught  on the metal pole?
ANSWER : Check the Idler Pulley part Number 43241004 (Item 13 in the IPB)

http://64.49.205.183/v/u6451900.pdf

Is there any way to repair or replace the belt GUIDE on the inside of the belt compartment of a ’97 Hoover Wind Tunnel (not self-propelled)? It became twisted when a belt broke and now the belt rubs against it and sounds really weird, and I’m sure new belts will continue to break.. This guide is a long piece of molded material (part of the compartent wall) to keep the belt from coming off the pulley. It also had a sort of metal clip on it. It was loose and I took it off because of the way the pa
ANSWER : Honestly you should take it to a vac.shop they can fix any vac.

I replaced the belt in our Eureka Boss Smart Vac, it still seems loose, it uses a type R belt. The beater belt still doesn’t seem to turn properly and seems that it doesn’t pick up very well when I use it on my berber carpet. We have 2 dogs and I like to use it frequently. I have changed the bags and belt……
ANSWER : Check to see that the beater brush is not frozen up. Pull the brush and clean it, spraying some WD40 on each end piece that holds the brush in place..Also be sure the belt is properly installed so that the brush turns in the correct direction..If the brush is not turning or not turning in the correct direction, it will not beat the dirt from the carpet so that it can be picked up by the vacuum’s suction.

Hoover bagless cannister 3765 – belt on power head slips off spindle. bought new belts – same problem. is this a design problem or can it be fixed? I don’t want to take it to a repair shop 100 miles away and have them just put on a new belt. saw idea of smaller belt – what number? couldn’t find suggested royal 104425001 belt.
ANSWER : I would not recommend a smaller belt. You will only wear the motor. This model series power nozzle needs to have a metal clip installed near the belt on the brush roller housing. I know that most of them left the factory without it. Remove the cover to see if one is ther. if not have your dealer send you a clip or a housing with one on it.