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 !
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