The brushes are not turning on my Hoover SpinScrub H7426-900 model. I have taken off the brushes and cleaned that whole unit (dog hair primarily) as well as cleaned the entire front plastic part. the main brush piece is not broken off and it would hand turn. It still doesn't turn the brushes - what else can I check?
There is a turbine that turns from the vacuum pressure your motor creates, its black and shaped like a snail. Take the top covering off, you can do this by removing the four screws situated towards the front of the bottom of the machine. Then there are four more screws to take out to remove the turbine, two on the top in the front, two on the bottom. This will allow you to remove the snail shaped turbine and replace it. It is an easy part to find online if you need to fix the machine yourself. just order the part slap it in and assemble in reverse. then give yourself a pat on the back for a job well done. Otherwise you can just walk into your local vacuum repair store and find a nice guy like me to fix it for you.
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Most all Hoover SteamVacs rely on a turbine to create suction and spin the brushes. The brush block (removable, just clips in) will have one of the 5 or 6 brushes with a stem inserted up and in the turbine. Hoover did a poor job sealing the hole that stem goes through and water and cleaner seep up to the lower bearing on the turbine and the bearing siezes. The turbine has a gear assembly inside! It is not easy to replace the turbine, especially the first time because what needs to be removed can be a head scratcher. However goes easier the second time. The turbine can be taken apart once out and I have used light grease to free up the bearing and gears but it's only a temporary fix. Different models have different part # turbines so pay attention when ordering the part. Need a work bench environment to do this. On occasion the brush block itself can get stuck because the brushes gear mesh together and the stemed brush drives them all. They can and do bind up with junk and do wear down and bind. If you can't turn all 5 or 6 brushes by spinning with your fingers on the stem, the block itself could need replacing. The block and brushes do come apart for cleaning but be careful because they are plastic clips on both halves of cover/retainer and can break.
Remember that the brushes turn best when the handle is tipped back. If this does not work, remove the brush assembly and insert a flat screwdriver into the square hole that the pin on the brush usually fits into. Try to turn the fitting. If it won't turn, the air driven turbine has seized up and will require replacement.
Usually when the brushes won't turn it is due to a bad turbine. Insert a screwdriver into the square hole that the pin on the brush fits into, and see if it turns. If it is seized up, the turbine assembly will need to be replaced.
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 the speed control switch on the hood is in the On position, it would appear the drive mechanism for the brushes is not spinning internally. The drive mechanism could easily be replaced by a technician.
(1)Remove the brush assembly by pulling/unlatching it from base on each side.
(2)Does one of the brushes have the drive pin present?It should be about ¼ inch square, and two inches long.It attaches the brushes to the drive mechanism.
(3)Remove and clean the intake filter.One the base of the cleaner, behind the brushes, squeeze the two red abs together and pull the panel down to access the screen.Clean the hair/debris off the screen and reassemble.
First do they turn easily by hand? Usually there is a plastic shaft that drives these brushes. If they are "seated" properly, the unit will not turn. The shaft is usually a "male" and fits into a "female" opening. If it is installing correctly, then I would see if any belts are off.