Question about Dyson DC11 Allergy Bagless Canister Cyclonic Vacuum

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Dyson DC11 Carbon Brushes replaced a day ago and now worn away again. Machine will not power on. Any idea what is wearing these away?

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  • pants1 Jun 19, 2009

    What are these? is this on the motor?

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The commontator is worn or the mika seperating the sections is too high.

Posted on Jun 19, 2009

  • Thomas F. Schneider Jun 19, 2009

    You have already rated my answer as not helpful.. To bad you didn't give me the opportunity to explain what that part were. Good luck with your ignorance.

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1 Answer

Root cyclone 12 loss of suction. How do I solve as both filters have been cleaned


Hi Pat, it's Jack at Dyson.

Performance issues are usually simple to resolve. DC11 has two filters - the 2-part pre-filter (the yellow plastic outer casing the the blue foam inner section) should be washed at least once every three months. The post-filter is engineered to last the lifetime of the machine without maintenance or replacement. If you have washed the post-filter, unfortunately this may have caused damage and we would recommend replacing it.

It sounds as if your machine has a blockage somewhere in the floor tool, wand or hose. To locate and remove this please follow the steps shown in our online support guide: http://www.dyson.com/support/dc11/dc11-sy-allergy/using-my-dyson-list/redirect-to-dc11filterwashvid/dc11filterwashvid/flo-dc11-gen-blockage-procedure6

If you'd like some further advice from our experts after you've given this a try, please call us directly on 0800 298 0298 (UK), 1-866-693-9766 (US), 1-877-397-6622 (CA) or 1800 239 766 (AU).

Dec 01, 2013 | Dyson DC11 All Floors Bagless Canister...

1 Answer

My bristles wont spin


Hi Maggie,
Alec from VacuumSpot here. There are 3 reasons why the brushes might stop.
The first and easiest is to check if the turbo head is set to carpet - there is a selector on the side that also acts as a bit of a filter. It's an obvious one but sometimes overlooked.
The second and cause is also easy to fix is if your filters are worn or dirty. You wouldn't notice a marginal drop in suction from day to day but over a year the filters do reduce in performance. Once they wear (I know they are meant to be lifetime but they are not) they just need to be replaced. For the best performance just buy new DC11 filters every couple of years they are cheap and it's worth it.
The other thing can be that the roller brush is in need of a good clean. Remove the base plate and pull the rollers out to either side, you will find they simply slip off the shaft with a bit of effort. Clean inside the brushes and also the shaft. Normally you will find a bunch of hair and fluff inside which can slow the roller down.
If you clean this and also make sure you have clean filters and the roller still doesn't spin unfortunately the bearings in the head are wearing and the head needs to be replaced as Dyson hides the bearings in a sealed casing forcing you to replace rather than repair.
I hope this helps you out.
Regards
Alec

Dec 08, 2012 | Dyson DC11 All Floors Bagless Canister...

1 Answer

I have no power to my dyson


DC14 CARBON BRUSHES HAVE WORN DOWN AND POSSIBLY SHORT CIRCUTING MOTOR CAUSING MAINS FUSE TO BLOW

GET MOTOR REPLACED AVERAGE COST £45 TO £69

Jun 23, 2010 | Dyson DC14 All floors Bagless Upright...

1 Answer

Motor smells and sounds like it is backfiring. Any suggestions?


Hello,
It sounds like the motor brushes are worn and sparking these need replacing or investigating.

Hope this helped.

May 18, 2010 | Dyson DC11 All Floors Bagless Canister...

1 Answer

I'm in the USA and looking for a Dyson DC-11 power head replacement. Any ideas?


Hi its Darran at Dyson.

A replacement turbine head can be purchased online direct from Dyson at www.dyson.com/store. The part costs $95.99.

I hope that this information is useful to you.

Kind regards
Darran
Dyson Customer Service

Mar 17, 2010 | Dyson DC11 All Floors Bagless Canister...

2 Answers

How do I replace the motor brushes in my DC11? I cannot dismantle beyond removing the pipe attachment. I've removed the 6 fixing screws that are visible, but the machine is still firmly "together" as if...


Hi,

I've never worked on a DC11 but have worked on several types of Dyson uprights. The following may or may not be relevant to the DC11 but may give you a few clues.

On the uprights I've worked on, if you remove the dust canister, underneath it is a clip-on cover with what's known as a post motor filter under it. This varies between models from a simple fibre pad, to a plastic encased paper filter very similar to the one that goes in the top of the dust canister. Having removed the clip-on cover / pad / filter, there should be a few more screws that when released will allow the motor housing to be taken apart.

The site www.dysonmedic.com is excellent, but doesn't yet cover the DC11.

Incidentally, I've just repaired my fathers DC07 which appeared at first to be a brushes problem. When I got it apart, it became obvious that the motor armature had a worsening fault whereby it was overheating so badly the over-current trip on the motor kept cutting out. The overheating was so bad that the bottom of the post motor filter was actually burnt !
Searching on eBay, I found a complete replacement motor for £18 inc p&p, but no listing for brushes. You may therefore find a) it isnt the brushes and b) you cant buy the brushes separately anyway.

Good luck !

Sep 02, 2009 | Dyson Vacuums

4 Answers

"CHANGING CARBON BRUSHES ON A DYSON VAC"


Solent Tools have a full range of Dyson brushes available. Tel 023 8057 8057. www.solenttools.co.uk

May 25, 2009 | Dyson DC07 Animal Bagless Upright Cyclonic...

1 Answer

Carbon Brushes wearing out quickly on Kirby Heritage II


4 possible reasons.
1 – one or both bearings are worn so armature (rotating part) wobbles as it is spinning and cause motor brushes to wear fast. Solution – change bearings too.
2 – Whoever replaced brushes – did not use some brush seating sticks to make cmutator smother and contour brushes to the shape of the comutator (not likely). Solution – appropriately install new set of brushes.
3 – Comutator is so warped that seating sticks do not help anymore – solution – new armature or turn the old armature.
4 – The fact that ONLY ONE brush was worn may mean that there is something wrong with the brush or housing. Maybe it could not move freely within the housing? I think this may be most likely cause it it may be a combination of all 4.Is it worth to fix? Hmm depends how much will it be. If this is 100+ - I’d say get newer Kirby for 300 ad enjoy the tech drive (Heritage does not have tech drive so it is much harder to vacuum with than the newer models)

Nov 05, 2008 | Kirby Heritage II Vacuum

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