20 Most Recent Hoover U5750-900 WindTunnel Bagless Upright Vacuum Questions & Answers

u5757-900, Hoover mach 4.7 vacuum: The power cord connects at the top of the machine, literally right behind the entry point of the cord. You don’t have to take any of the rest of the vacuum apart. I found that out after I did take the entire machine apart. The wires can be connected with pressure connectors.

There are little prongs on the end of the cord wrap that expand when pushed into the hole in the vacuum. I've used a small screwdriver to push on the tabs to get the old part out.

Sounds like the roller became stuck and the motor burnt the belt into. I worked on Hovers for years and that is the most common problem.

Sounds like the section from the hose to the bag may be plugged. Or you may be losing vacuum due to a leak in the hose. Hope this helps.

check to make sure that the brush wheel turns freely ( without belt on ) -- if it does not turn freely then there could be hair or carpet strands twisted up on the ends of the wheel,, inspect and clean. also make sure that the wheel cartridge is sitting nicely in its mounting area,, ( again - make sure the wheel turns freely ). now if it is moving freely - then make sure the height adjustment on the vacume is set to the proper height for your carpet thickness,, it kinda sounds like the brush wheel is not turning because it has to much pressure on the floor.
so -- make sure wheel spins freely,replace the belt and adjust the height and then check the unit for proper operation.

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If you turn the vacuum so the bottom is facing up you will see the base plate that covers the roller brush. There will be four screws (usually phillips head), remove the screws and the base plate will lift off. You now have access to the roller brush and belt. Lift the roller brush up and remove the old belt. Place one end of the new belt over the motor shaft and the other end over the roller brush and put the roller brush back in place. Now simply replace the base plate and you're done! This models requires Hoover belt # 38528033 (single) or Hoover belt #40201160 (2 pack). You can get this belt at www.vacbelts.com.

Here's the pages:
http://www.vacbelts.com/hoover-40201160-belt.htm
http://www.vacbelts.com/hoover-38528033-belt.htm

install the belt on the motor shaft first by sliding it sideways between the shaft and housing. then install on the brushroll and stretch in place

Sounds like it overheats quickly. But why are you not able to return it?