I lost the manuel for my hoover steamvac ultra. it has 5 rotate brushes.

Chances are that the rubber drive belt has perished... A trip to ebay should find a suitable belt fairly cheaply

Here is the manual : ] HOOVER

Yes, your Steam VAc will work on tile floors. You'll want to remove the rotating brushes and install the Bare Floor Tool attachment - Hoover part number 48417003

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

the belt has streached go to walmart and get a new one.

http://www.vacshopusa.com/pdf/hf5837900.pdf

Here is the schematics

If you are handy with a screwdriver undo the casing to access the roller. Once open usually about 4-5 screws you will see that the drivebelt ( rubber band ) has broken. This is the piece you need to replace. Usually most electrical store selling cleaners have these. Take the piece along or get the part number from the manual and replace it yourself. Cheaper than having a tech do it at $90 an hr plus the $5 part

my hoover steamvac the brushes are not turning what makes the blue triangle that the brush attachement fits to move?

download the manual for hoover F5810 at hoover.com. it's the same for your model.

There is a plastic shaft on the back of the block brush (spin scrubbers), these wear out or break. You may need to replace the block brush. Or if the shaft is not broken it could also be the Turbine Gear. This is what the block brush shaft goes into. You can get access to it by taking off the hood. You can find the parts and a schematic below follow the link. Please don't forget to give positive feedback.

F72XX Link

http://www.usavacuum.com/Hoover-Steamvac-s/110.htm