Question about Dyson DC11 All Floors Bagless Canister Cyclonic Vacuum

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Dc11 dyson the brush head turns very slowly but when i take brush head cover of (the yellow part) and put my hand over the suction inlet part the brush head turns really fast. Have cleaned out collection chambers eg the hoover bag have washed the sponge with the little pictures of taps on it what now . thanks alan

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  • carmelotband Dec 10, 2008

    I have the same problem with my turbine head on the barrel type. It's fairly new, but i vacuum a lot of long dog hair. I keep pulling all the hair out and clean but the the roller just won't go round when switched on. Can any one help with this
    Thanks
    Sue

  • LongHorn14 Dec 24, 2008

    I have the exact same problem with the Dyson DC11. I took it all apart, and cleaned it, and the suction just wasnt working, until I covered the air intake part of the vacuum. After I did that, the brush went to a very high speed. I have no clue why it is doing this!

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I have taken the brush heads off and pulled all the hair out of the small gap between the chrome shaft and the plastic gear housing. Then a small amount of 3-in-1 oil into that gap to lube the internals and just a little through the air intake on the side of the head to clean and lube the seals and it works like new. This lasts about 9 months under high use and the process takes roughly 10 minutes.

Posted on Mar 23, 2009

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I dont think its a problem with the filters if you have normal suction.
If the DC11 cylinder/ canister vac has an air turbine brush / turbo brush check that the drive belt inside it isn't clogged with dirt. If its a toothed belt ensure that it is properly snapped on as well as the other parts in that floor head tool. There may also be dirt clogged in the turbine wheel which is stopping the brush from moving quickly.

Posted on Mar 30, 2008

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1 Answer

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Hi Marin, it's Jack at Dyson.

DC40 is a powerful mid-size Dyson upright vacuums, and we wouldn't expect you to have any concerns about performance on hard flooring or carpet. As long as the machine is used and maintained as described in the User guide we would not anticipate a change in performance, and we're on hand to help if Dyson owners need assistance.

It's important to note that for effective pickup, the cleaner head needs to form a close seal with the floor surface. Simply placing a hand under the cleaner head does not give an accurate idea of suction as you're not creating a seal, as you would be when you place your hand right across the end of the wand or hose. If you turn on and recline the vacuum, turn off the brush bar then lower the cleaner head onto something like a sheet of newspaper, you should see the newspaper held tightly against the soleplate by the vacuum's powerful suction.

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Hi Andrew, it's Jack at Dyson.

With the exception of the sole plate and brush bar, the Turbine head is manufactured as a complete assembly. We wouldn't recommend attempting to dismantle it as we can't guarantee this won't cause damage. You might want to take a look at our Support guide, as it may be possible to resolve the issue with some simple troubleshooting:

http://content.dyson.com/support/help.asp?article=342&product=DC11-SY-ALLERGY

If you would like further advice after giving this a try, you can reach our experts directly by emailing askdysonUS@dyson.com

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Hi Mike, it's Jack at Dyson.

The cleaner head has to form a close seal with the floor surface for high pick up. Just placing a hand under the cleaner head will not cover the entire soleplate, and therefore you won't get an accurate impression of the suction power.

You can test it by turning the machine on, reclining it into the vacuuming position, turning off the brush bar using the silver brush control switch (next to the red on/off switch), then placing the cleaner head onto a sheet of newspaper or something similar. You will see the paper seals closely with the soleplate.

If you're still concerned after you've tried this, please get in touch with us directly. Our experts are on hand to help, and you can reach us by calling 0800 298 0298 (UK), 1-866-693-9766 (US), or 1-877-397-6622 (CA).

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Hi there, it's Jack at Dyson.
I'm not sure from your question how you're testing the suction at the cleaner head. For safety reasons we'd strongly advise against placing a hand underneath the cleaner head. This is not a good way of testing suction - the soleplate needs to form a close seal with the floor surface for high pick up. It's normal for the suction to feel stronger through the wand and through the cleaner head inlet as the suction is concentrated over a much smaller area.
If you place the cleaner head on a sheet of newspaper, then run the machine with the brush bar turned off, you should see the newspaper sticks to the cleaner head, as it's able to seal with the soleplate.
You might also like to take a look at our online Support guide, to make sure there's nothing blocking the machine which you may have missed: http://www.dyson.co.uk/support/dc25/dc25-multi-floor/my-machine-is-not-working/machine-not-sucking-picking-up-as-well-as-usual/how-to-wash-filters/check-suction
If you have any further questions, it would be worth giving our freephone UK Helpline a call to run through some diagnostic checks with one of experts. You can reach us on 0800 298 0298 - we're on hand to help from 7am-10pm, 7 days a week, and calls are free from UK landlines.
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Hi there,

I'm sorry to hear you're having difficulties with your DC11. To determine why the machine doesn't seem to be picking up as well as usual through the turbine head, please follow the steps shown in our online Support guide:

http://www.dyson.co.uk/support/dc11/dc11-all-floors/my-machine-is-not-working/machine-not-sucking-picking-up-as-well-as-usual/how-to-wash-filters/check-seals-for-damage

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1 Answer

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Hi there,

I'm sorry to hear you're having difficulties with your DC11. From your description of the issue, it sounds as if you may have a blockage in the turbinehead. To check for and remove any blockages, please follow the steps shown in our online support guide:

http://support.dyson.co.uk/support/dc11/dc11-all-floors/maintaining-your-dyson-machine/how-to-remove-a-blockage/from-the-turbine-head/turbine-head-maintenance

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