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Author Topic: DC07 died - what might the problem be?  (Read 2317 times)

Offline MartockSammy

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DC07 died - what might the problem be?
« on: March 13, 2023, 01:53:17 pm »
Hi all - just joined so this is my first post & would love to tap into the collective knowledge & wisdom of all you guys!

SWMBO (aka Da Management) reports that when using our venerable DC07 Allergy yesterday it worked OK for a few moments then “died” - the motor gradually slowing then stopping completely.

When I tested it there was nil response. I’ve checked the switch - power is on both sides - so not that. Checked blockages all round = none.

So, since these are essentially simple machines I’m thinking motor: but what’s the issue? Could it be brushes? How do you tell & are they easy to replace?

If not brushes, I’m assuming it’s time for a new motor… but can anyone suggest any other cause/remedy?

Any thoughts/suggestions gratefully received!

Offline matrixresonator

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Re: DC07 died - what might the problem be?
« Reply #1 on: March 13, 2023, 04:57:38 pm »
If theres power leaving the switch (an assuming theres negative connection through the flex) then it only leaves motor. 

Brushes are cheap - https://shop.manchestervacs.co.uk/dyson-cylinder-vacuum-cleaner-spares/dc23-spare-parts/ydk-yv-motor-brushes

But persoanlly I just replace the motor - https://shop.manchestervacs.co.uk/dyson-upright-vacuum-cleaner-spares/dc33-spare-parts/dyson-motor-ydk-yv-dc04-dc07-dc14-dc27-dc33

Offline MartockSammy

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Re: DC07 died - what might the problem be?
« Reply #2 on: March 13, 2023, 08:04:05 pm »
Thank you for your prompt reply: in the meantime I stripped it down to discover brushes worn unevenly & one was very friable - so have opted to replace. Now for the fun of getting it all back together!

Offline macman

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Re: DC07 died - what might the problem be?
« Reply #3 on: March 14, 2023, 11:52:41 am »
Replace the motor, or just the brushes? With these motors coming in at little more than £20, it's really not worth just changing the brushes, as the commutator will normally be damaged too. Just change the whole motor, and it'll be good for another ten years or so...

Online MVacs

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    • Manchester Vacs - The Independent Dyson Specialists
Re: DC07 died - what might the problem be?
« Reply #4 on: March 30, 2023, 07:55:26 pm »
I agree, we never change carbons on Dyson motors. It seldom works, they just spark like a firework.

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