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Roller brush does not engage - Shark Navigator Bagless Upright Vacuum

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. Turn unit on the side and inspect brush assembly for dirt, hair, etc. , also check the condition of drive belt , be sure that it is engaged with brush roller and turning freely. Also check the option of the'suction release' valve near handle which may free brush movement. good luck. Roller brush does not engage - a1fe9acb-d948-4a5d-a15d-619a901ba149.jpg 72bf93b5-160b-4ddd-8f56-3515fb5b8a7e.jpg

Posted on Jan 17, 2014

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1 Answer

Why roller brush will not turn when i try to engage it?


The brush roller could be clogged inside the end caps.

Sep 11, 2017 | Dyson Vacuums

1 Answer

How can I get the brush roller to engage and disengage?


If the brush roller was removed for cleaning and not seated correctly during reinstallation, it may be binding on the base plate - preventing rotation.

Jan 23, 2016 | Vacuums

1 Answer

Loud noise on carpet setting. I've replaced the clutch which comes with 2 new belts and the roller brush.


The answer may depend a bit on the specific model, but it sounds like you're handy enough to have gone in and replaced the clutch. A couple of other thoughts, based in part on doing similar things to my DC07, which I picked up at a flea market and did a refurb on before my wife would let it in the house:
There is the clutch, the roller pin that turns the belt, the belt, the flat spot on the brush where the belt should roll, the brush, and the spots where the brush fits into the ends of the cleaner head.

By 'on carpet setting' I assume that's when you move the clutch to the carpet 'engaged' setting.

When you move the clutch in and out of engagement, is the movement smooth, or are there catches or places where you have to apply a lot of pressure (at least if this is a manual clutch, in some cases it's pushbutton engagement)> If there is resistance or sticky places in engaging/disengaging the clutch, you may need to open things up again and see if the clutch is in correctly.

With the vacuum on, move the vacuum between reclined and all-the-way-up, where it should disengage the brush and switch suction to the handle/auxiliary tool path. Does it turn off the brush and switch suction? If not, then the switch-over may be stuck or sticky and messing with smooth operation.

with vacuum off and clutch disengaged (bare floor mode) can you spin the brush easily with your hand? If you engage the clutch, can you roll the brush with some resistance? Is the resistance steady as you roll the brush through a few revolutions. If not steady, there could be something stuck to a shaft, gear, or belt that you'll only hear when those parts are moving.

A lot of hair or other cruft built up on the roller can make for vibrations, especially if it's stuck to the roller lopsided. Clean it up.

Finally, the brush has non-symmetric fixtures at the end that may not be at all obvious for how they fit into the ends. I know from experience that you can seem to get the brush head all back together when the brush ends aren't in fact seated properly. The system doesn't like this. May take some staring, but open the bottom up (vacuum off, of course), and see if the ends seem to be seated cleanly into complementary shapes.

Good Luck!

Nov 08, 2015 | Dyson Vacuums

1 Answer

I can't get the brush to work or suction or any air flow in the lower part of the vacuum.


Depends on what you mean by 'disconnected the lower part.'

See end of the note for a link to the manual. Dyson doesn't have it directly, and a number of places either want you to download spamware, or only have a non-english copy.

1) If you took the roller all the way out, you will have had to have eased it out of the loop for the drive band, and then eased it back through after cleaning. If it's not through the loop, no drive power. The band is stiff, so it can be a bit of a challenge to pull out far enough to get the roller back through. Use a smooth dowel or other smooth sided lever to pull band out enough to feed the roller back through. (Smooth = not cutting the band)
2) If you didn't take the roller out as in (1), or did feed it back through the belt before closing it all up, then there's a couple of possibilities. A) The brush will not spin if the unit is full-upright. Put your foot on the lower assembly, pull the handle back to the 'I'm about to vacuum something' position, and try again.
B) According to the manual, this model has an 'engage brush' button. The system should start with the brush engaged, but try toggling it with the handle not up-right.

If still not spinning, turn off and unplug. Try spinning the brush by hand. If it spins freely, the clutch to engage the brush isn't engaged. If there is resistance, then it's engaged (unsure if it auto-disengages when powered off. You's want the handle tilted back when you try this).
Manual Link:
http://homeappliance.manualsonline.com/manuals/mfg/dyson/dc18.html

Good luck!

Oct 17, 2015 | Dyson Dc-18 "the Slim" Upright Model...

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.]

Sep 05, 2014 | Hoover Model U6485900 Upright Vacuum...

1 Answer

The belt on my Dyson is making a terrible loud grinding sound after I removed the brush roller.


The sound is the clutch mechanism. That is a safety feature. It sounds like you have trapped the belt when you reinstalled it. If not, the brush roller bearings may be seized?
Take it apart again, spin the brush roller in your hand. Make sure it is free. When you reassemble it, before you refit the sole plate, turn the brush a few times with your fingers to make sure the belt finds its home on the roller. Only then refit the sole plate. Turn it again when fitted before you run it to make sure the brush is turning freely.
Then, make sure the clutch is engaged, see this article for more on clutches: DC14 clutch and brush roller

Feb 02, 2011 | Dyson DC14 Animal Bagless Upright Cyclonic...

1 Answer

Roller brush will not move when vaccum is turned on


maybe the belt is broken. clean the unit and replace the belt.

May 23, 2009 | Kirby Ultimate G Bagged Upright Vacuum

1 Answer

Electrolux vacuum making a clicking sound when the brush is engaged


Check that there is nothing lodged between the roller brush and the main dirt channel. You may have to take off the sole plate by either locating the cross head screws underneath or if the hood pops off the top - some Electrolux models have screws now located on the top. Once the roller brush is open to your eyes, look at the drive belt and check its condition - it may be on its way out and needs replacing OR the brush roller has clogged up OR the caps which hold the roller brush in both ends of the roller are loose and need a slight tap to lock them back in.

Dont forget to rate this solution. Ty

Jul 30, 2008 | Electrolux Vacuums

1 Answer

Dyson DC07 Vaccum - brush will not turn


Hi.

Your Dyson has A clutch unit this engages the brush roller when you pull the handle back to vacuum.

Check the clutch control knob which is at the bottom left side of machine looking from the front.
It should rotate to drive position when handle is pulled back.

If it doesnt turn the knob by hand to drive & try the machine.

If you still have no brush rotation after doing all this then UNPLUG machine from mains supply.
Now lay machine on its side & remove the sole plate, This is the cover over the brush roller.
Turn the 3 plastic screws to unlock postition & lift sole plate off.

Now try to yurn brush roller using your hand. It should turn freely if it is difficult to turn look for any foriegn object obstructing the roller.

If no obstruction found then remove the brush roller from the machine & check the bearings in the ends of the brush roller one or both may be siezed up if they are then new brush roller will solve the problem.

If bearings are good then either the clutch is faulty or the second belt which goes clutch to motor has snapped & will need replacing.

It is difficult to fully explain the clutch removing procedure,
But there are service manuals available for these repairs at this site
http://dysonmanuals.llc.nu/

Jun 15, 2008 | Dyson DC07 Bagless Upright Cyclonic Vacuum

2 Answers

Brush roller won't turn


On my Dyson, there is a brush reset button on the top right hand side (if you are looking at the front) that you can press to reset the brush. I was vacuuming and too lazy to move a toy and this worked for me once I freed the rope from the brush.

May 18, 2008 | Dyson DC07 All Floors Bagless Upright...

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