Beater brush will not spin and head drops down without using foot release
My wife was vacuming the carpet and herard something pop. The beater brush was no longer spinning. There is pleanty of suction, no clogging, etc. Since there is no belt to replace I would think it would be obvious, but I don't have a repair manual. Also there is a second problem that has been happening for about one month that is inconvenient, but I don't know if is related: when I lift the vacume by the handle the weight of the head makes it drop down without pushing on the foot release.
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Re: beater brush will not spin and head drops down...
You didn't provide the model number so couldn't look it uo, but sOme of the progressive uprights have a circuit breaker on, it will trip when something catches on the brush roll, push it to see if it will reset, if there isn't one, get me the model, it will start 116.*********
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Have you tried changing the height adjustment? There should be a knob or lever that allows you to adjust the height of the beater brush to accommodate different carpet lengths. Even with a new belt, the brush will not spin if the height is too low. Try adjusting it all the way up, then while it is running, adjust it down until there is some resistance. The beater brush should just barely scrape the top of your carpet.
This sounds like a belt issue to me. The belt usually runs from a drive shaft to the rotating beater bar / brush. Both the drive shaft and beater bar / brush that are contact with the belt must be clean. Oils, etc. can interfere with the grip on the belt. If the belt is squealing for very long, the drive shaft can damage the belt. make sure you're using the correct belt - and have all the parts in their right places. Recheck your work and provide the vacuum make and model if you're unable to get it working properly.
Shane: Unplug the machine and lay it on it's back with the handle release in the release position (the vacuum head should be laying flat also). Remove the foot plate from the vacuum head. Manually turn the brush roll (called a beater bar). The beater bar should turn fairly easily and the belt should turn the motor armature shaft (now would be a good time to check the inside surface of the belt for grooves or damaged spots which would cause the armature shaft to slip on the belt). If the beater bar has too much resistance to your turning it, I would suspect that the bearings at each end of the beater bar are fouled with hair, carpet fibers and string. Remove the beater bar from the machine and manually spin the motor armature shaft (where the belt contacts the motor) to see that the motor armature shaft spins freely. Remove the bearings from the end of the beater bar (they won't come off easily so you may have to use a prying tool such as a screwdriver). Try to spin the bearings. If they are fouled, dribble some rubbing alcohol into the bearing (I use a spray bottle... it's much neater) and turn the bearings while keeping them soaked with alcohol until they spin freely without ratcheting. Drop some 30 weight engine oil into the bearings until they are saturated, then clean the outsides of the bearings with a clean rag (no alcohol) until the outsides of the bearings are completely dry and no oil drips out of them (don't want the oil to attract dirt). You'll probably need to replace the belt. Reassemble the machine and it should work for you.
You will need to unplug the vacuum from the wall, lay it down so you can see the bottom of the vacuum head and remove the bottom plate (foot plate) Probably philllips head screws. pull up on the roller (called the beater bar). The beater bar will come straight up. Disconnect the belt and check the fittings at the ends of the beater bar... I'll bet that they don't spin easily (The fittings have roller bearings in them, and the roller bearings get gunked up with hair, carpet fibers and dirt). Pull the end fittings off of the roller and remove all of the hair and carpet fibers off of the end of the beater bar and the fittings and out of the bearings. Check to make sure that the roller bearings spin freely. If they do not spin freely, put some rubbing alcohol in the bearing (you can pour it onto the bearing and spin the bearing manually until it spins freely, or you can use a spray bottle with alcohol in it as I do. Once the bearing spin freely, dry them out so no alcohol remains in the bearing, then a drop or two of light machine oil (3 in 1 oil will do) in each bearing and spin the bearing again to distribute the oil. Now would be a good time to check for any clogs in the vacuum head where the hose connects, and check the hose for clogs. Reassemble the beater bar and reinstall it in the vacuum with a new belt, reinstall the foot plate.
Unplug the vacuum and lay it down on the floor upside down on some newspaper. Remove the vacuum head foot plate with a Phillips head screwdriver. Remove the beater bar and belt by pulling straight up on the beater bar. Pull the end caps and bearings from the ends of the beater bar... it may take a two-grunt pull to remove them, or CAREFULLY use a screwdriver to pry them off. Remove the hair, carpet fibers and other gunk from the ends of the beater bar, bearings and end caps. Pour (or spray) alcohol on the bearings and spin them until they spin freely. Dry the bearings so there is no alcohol in them. Put a few drops of light machine oil in the bearings, (3 in 1 oil will do), and spin the bearings to distribute the oil and ensure the bearings spin freely. Now would be a good time to check the vacuum head opening and the hose for clogs. Reassemble the end caps and bearings to the ends of the beater bar and reinstall the beater bar assembly (with a new belt) in the vacuum head. Reinstall the foot plate, and your machine should pick up fuzz balls the size of Michigan!
Unplug the machine and remove the foot plate (at the bottom of the vacuum head) and check the belt that drives the beater brush/bar. if the beater bar is hard to turn, pull the beater bar and belt out, check the inside circumference of the belt to see if the motor shaft has worn it down in one spot. If so, remove the two bearings (one at each end of the beater bar) and remove the hair, carpet fibers, strings and any other junk from the bearings and the ends of the beater bar. lubricate the bearings with oil (thin machine oil like 3 in 1 oil works best. roll the bearings with your hands until they spin freely. Now would be a good time to check the bottom of the foot plate where the dirt is vacuumed up. check the hole in the middle of the foot plate and check the hose for clogs if the hole and foot plate hole are clear, reassemble the bearings on the beater bar and install the beater bar (with a new belt) and reinstall the foot plate. The machine should run well for you.
Check that the brush control dial is in the centre position when upright and then moves forward when the head is released. If the brush bar is still not spinning when switched on in the vacuuming position, check the base for blockages and remove any threads or hairs from the brush bar as outlined in your user guide or on our website.
If you are still having difficulties, please contact our Helpline on 0800 298 0298 (UK) or 1866MYDYSON (US).
For your beater brush to spin, you have to meet two conditions:
1) the vacuum cleaner has to be reclined (put your foot on the front and pull back on the handle).
2) The clutch actuator (the dial where you switch between BEAR FLOORS and CARPETS needs to be set to CARPETS).
If the brushbar/beater bar still doesn't spin after that, call the Dyson helpline, they will assist you. If you are saying that the brushbar isn't spinning because it is not picking up any dirt, you may have a loose internal hose, a blockage in the machine or the bristles on the brushbar are worn. Call the Dyson helpline for assistance.