Hoover Steam Vac with Clean Surge model #F50905-900

Try giving it a good clean-out
This is the manual for it

Unplug vac turn it over and check for belts that drive the brushes
They are located at the very end of the brush They are probably missing
or they snapped and sitting in the housing somewhere. If you ar mechanically inclined not very difficult to replace. While you are at it clean all the hair and fibers that usually accumulate around the brush bushings
That is usually the culprit that wears down the belts
have fun

Here is the manual for that model.

There is no belt on the steam vac - it operates on air flow. Remove the brush and insert a flat screwdriver into the square hole. If it does not turn, the turbine has seized up and must be replaced. Remember that the brush will not turn unless the lower tank is in place, and the handle is tilted back.

The brush system on this model has a poor engineering design in that the brushes are running off an air turbine, which uses a steel bushing to spin the turbine which gets rusty from the moisture when the machine is being used. No long term solver. I would replace the machine with a Dirt Devil Platinum Force model

Pull the brush block out, is the shaft still on the top of it or did it break off? If it is ok, then the turbine is most likely bad. The turbine is what drives the brush block. Also make sure the little screen filter is clean.

If this is a Hoover Steam vac, the turbine which drives the brushes is bad. If not a Hoover, then what is it, they are different, need brand and model number.

Have you checked the lint screen? Your brushes are air driven if it's a Hoover Spin Scrub. There is a clear cover on the left side, when facinf from front. Remove this cover, about 3x5 inches and tapered, and clean the screen. Some units have a red or white screen that you can pull out from the bottom of the unit, left side just behind the brush block. Clean the screen then reinstall. Check that recovery tank is properly positioned- lack of seal means less suction which translates to brush block not turning.

THE TURBINE WHICH DRIVES THE BRUSHES RUNS OFF SUCTION, A POOR DESIGN IN MY OPINOIN THEY GO BAD ON A REGULAR BASES. PROBABLY HAVE TO REPLACE TURBINE ASSEMBLY

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Hoover Steam Vac Clean Surge
Posted by just a brat on Feb 22, 2008
I can not seem to get the attachment for the upholstery cleaner to operate what am i doing wrong????

Hello,
I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure.
The attachment works on the suction from the Hoover Steam Vac and it’s either a straight suction tool or a revolving brush, check the front of the machine to see if the is a switch to turn on and odd, also before you attach the upholstery tool check the end of the hose for suction, it may be that your upholstery tool may be clogged or the brushes are not spinning and a part may be broken. Feel free to check with you local vac dealer or a new or a good used part if you find out what is wrong. So if you need further assistance, please feel free to contact your local vacuum cleaner dealer in your area or in the yellow pages, or contact the factory phone number or website to further assist you with your questions.
http://www.hoover.com Telephone
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Don – The Vac Man
Go Ahead. Use Us.