Question about Hoover U6630-900 WindTunnel Bagless Upright Vacuum

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My Hoover Windtunnel Mach 6.9 brush roller quit working. Upon investigating I found that the idler arm pulley was broken so I managed to replace that. Before putting the cover back on I see the control knob for the roller brush moves a plastic piece left or right to activate/deactivate the brush roller. I don't know where this plastic piece connects. It appears to me that the idler are when raised creates tension on the belt which drives the roller. I'm at a loss trying to figure out how that plastic sliding piece raises or lowers the idler arm. Please HELP! thanks in advance.

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  • Hoover Master
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Posted on Jan 02, 2017

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SOURCE: Hoover WindTunnel Canister: Roller brush motor not turning

These motors have a fuse incorporated in the field winding and it sounds like that blew. These motors sometimes overheat at the front bearing and the bearing will melt into the plastic housing. This will cause the fuse to blow. It sounds like that's your problem. You can remove the motor by removing the three screws on the bottom of the powerhead and then check the front bearing for any bubbling or blistering in the plastic housing. The shaft of the motor should turn easily.

Posted on Jan 27, 2008

reddevil6
  • 1673 Answers

SOURCE: Hoover Wind tunnel V2

Either the brush rolls are bad, ends are bad, or the gear housing/motor asm. is bad and will have to be replaced. ee84874.jpg

Posted on Jan 29, 2008

  • 30 Answers

SOURCE: Actuator arm for Hoover U6473-900 vacuum's drive broke

I just changed the actuator arm on my girlfriend's 6437-900 and it's pretty straight forward. Not certain how you got the transmission out, but here's what I did:
-unplug the vacuum
-remove the 4 screws and the plate over the roller brush as well as the roller brush
-remove the two screws and the plastic cover over the end of the hose on the right side.
-remove the 2 screws down in the bottom of the housing on either side of the drive wheels
-remove the single screw in the middle/bottom of the housing
-push the two tabs on the inside of the outer edge of the housing to remove the top cover
-flip the vacuum over, you'll see an "e" clip holding the actuator arm in place being careful not to lose it
-use a torx bit to remove the old cable hold down
-gently bend the metal piece over the arm back far enough to remove the old arm. Note the slot in the metal piece, you'll need to make sure you get the metal tab in the slot when you reassemble everything.
-put the new arm in, about $8 at a Hoover repair store
-put the metal piece over the rod that the e-clip fits into, making certain the tab and slot are aligned
-press down on the metal piece once it's on the rod with the tip of your screwdriver so it snaps in place, carefully put the e-clip back in it's slot on the rod.
-put the cover back on, lay the vacuum flat, put the cable end in it's channel on the arm, tighten the hold down.
-flip the vacuum over, plug it in and turn it on, being careful to keep hands, fingers, ties, hair, small children, pets, etc away from the spinning roller brush
-move the handle, still in the off position, up and down to make certain the drive wheels don't move. If they do then readjust the position of the cable on the end of the arm. The wheels should not move at all with the handle in the off position.
-enjoy

Posted on Dec 21, 2008

  • 2 Answers

SOURCE: auto brush on hoover windtunnel doesn't spin anymore

I have a Windtunnel S3765 with the same problem - and it has very little use so I'm confident it isn't wear. I find that the wheels do not raise the agitator brush sufficiently high to reduce the drag caused by excessive contact with the carpet. If I raise the front a bit the brush spins as it should. It also works if I take the housing apart and use it without ..... but this is tricky.

Unfortunately I haven't figured out a way to hold it up efficiently. I am toying with afixing something to the bottom of the housing to raise the front enough to give the brush a little more room.

Posted on Jul 09, 2009

  • 1 Answer

SOURCE: Hoover WindTunnel Self-Propelled V Belt

when you released the end to slide the new belt on it allows the tension roller to slide into the wrong position. Remove the top so that you can see the roller, at the left side of the roller mechanism there is a screw, loosen it enough to allow the roller to return to the correct position.
good luck

Posted on Jul 29, 2009

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1 Answer

How to repair windtunnel hoover agitator that will not turn


Likely a broken belt. Also check the agitator brush roll bearings (in either end under the end caps) for hair, strong, thread, etc. as this will make the brush roll harder to turn and wear/break belts prematurely. If all these check okay, then observe the tensioning roller that causes the V belt (runs from the idler pulley to the brush roller) to be sure it is swinging down when the handle is released to hold tension on the belt, causing it to rotate. These tensioning rollers can break, but often are locked into the "Bare Floor" setting without the user noticing. Slide the carpet brush roll selector (located on top, next to the floor height slide adjustment) back and forth and make certain it is all the way into the "Carpet" setting to allow the tensioning roller to engage. [Note: The tensioning roller is always retracted (in the neutral or off position) when the handle is in the upright position. You must release the handle to allow this tensioing assembly to engage.]

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Brush won't spin on hoover wind tunnel bag less upright when on carpet, belts are fine


The belts may look fine but may be stretched and worn. Replace them. Make sure brush spins free. Idler pulley should tighten belt tension when handle is released

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1 Answer

Hoover model U6425-900 brushes do not roll


-- Make sure slide switch is in carpet position
-- The idler arn which tensions the brush belt may be broken
-- The idler arm override which is attached to the carpet slide switch may be broken

The second one is common.

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My Hoover Bagless Windtunnel vacuum has no suction on the bottom, although the hose works. Everything else seems to be working properly.


Check the belt, look like we have the same problem, I just unscrew the bottom part where he brush roller is located and found a broken belt
Easy to replace just follow this instrctions
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Jan 31, 2011 | Hoover U5753-900 WindTunnel Bagless...

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Brush roller on windtunnel won't spin


It sounds like you need to replace the actuator arm or the cable to it. Look for Hoover part 43143046 for a start. I've got a similar problem.

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Hoover self propelled U6630900 idler arm lock


Remove the bottom plate (4 screws), remove belts and brush roller. There may be 1 small screw in the center front of the vac under the brush roller. remove this one. If this is a bagless model you will also need to remove all of the back screws (torx) that hold the lower hose on. This needs to be removed to take the hood off. underneath on each side of the power drive assembly you will have 1 screw, remove them. there is a clip on each side that snaps the front on, push them out with a screwdriver. Then the hood is removed.

Feb 28, 2009 | Hoover U6630-900 WindTunnel Bagless...

1 Answer

Roller Belt Keeps Slipping Off


You could try contacting Hoover for parts availability. If it's and older WindTunnel and Hoover no longer has the part, try eBay.

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1 Answer

Bottom roller bush does not spin


Sounds as if the v-belt came off the idler arm or you broke the v-belt. Either way, take the 4 screws out of the plate around the roller brush and make certain the belt is there and that it sits on the idler wheel. If you remove the roller brush you'll see the wheel. Pay attention to how the ends of the roller brush go back into the vacuum when inserting it and put the plate back on. Also check the thicker main belt is in place as well, it's to the left of the v-belt.

Also, the roller brush should stop when you put it in the upright position. Next time just stand it upright so the throw rug doesn't get drawn quite so far into the vacuum.

Dec 19, 2008 | Hoover U6437-900 / U6439-900 Windtunnel...

3 Answers

Hoover wind tunnel upright self propelled. U6473-900. Brush does not work. Heard it was a 'brush controller' problem and can be fixed. Please tell me how.


Most likely the flat belt has stretched enough so as to not turn the pulley that in turn turns the brush roll using a V belt. Also there is a small idler wheel, if hook up, then it won't engage the V belt.

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