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Author Topic: Do I Need A New HEPA Filter - DC23 (DC32)?  (Read 376 times)

Offline Deep Blue

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Do I Need A New HEPA Filter - DC23 (DC32)?
« on: May 30, 2017, 11:23:03 AM »
Pulled apart DC23 (DC32) after water accidentally sucked-up.  Tried drying out motor but there was a high-pitched squealing sound and a slight smell of burning when I turned the vac on.  Anyway, now looking to replace the motor at this point as it is probably the issue - somehow not working as it should.  I assumed if the motor seen water then it wouldn't work at all - it works but there is the terrible sound and the smell... (separate post/thread on this)

Anyway, in the process of stripping the vac after the water incident I noticed that the HEPA filter (it was wet) that encases the motor was black/grey coloured on the inside - I presume this is due to the carbon from the brushes (unit is 6 years old)?

Do you think I need a new HEPA filter (pictures below)?


Online mrdyson

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Re: Do I Need A New HEPA Filter - DC23 (DC32)?
« Reply #1 on: May 30, 2017, 12:43:49 PM »
The post filter is supposed to last the lifetime of the motor.

When replacing a motor, we always replace the filter as a matter of course.

Offline Deep Blue

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Re: Do I Need A New HEPA Filter - DC23 (DC32)?
« Reply #2 on: May 30, 2017, 03:48:01 PM »
Makes sense I guess.  Once I separate the fan from the motor I'll purchase a new motor and HEPA filter.

I guess the inside of the HEPA filter should be white though just like the outside and the black/grey colour is because of the wearing of the motor carbon brushes?

I guess there's no easy test to tell if there's still some life in a HEPA filter?  Carbon dust would block it up a bit?

Online beko1987

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Re: Do I Need A New HEPA Filter - DC23 (DC32)?
« Reply #3 on: May 31, 2017, 10:30:27 AM »
It doesn't look horrific, but having been wet the pores might have clogged up as their only paper, so you could get it back together and find it overheats the motor after a few days/months/years.

No real way of knowing short of getting your wallet out or re-assembling it once dry and finding out. Your finding out now why us repairers steer clear of the newer cylinders, the cost soon adds up!
Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline Elgin

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Re: Do I Need A New HEPA Filter - DC23 (DC32)?
« Reply #4 on: May 31, 2017, 02:35:16 PM »
Makes sense I guess.  Once I separate the fan from the motor I'll purchase a new motor and HEPA filter.

I guess the inside of the HEPA filter should be white though just like the outside and the black/grey colour is because of the wearing of the motor carbon brushes?



No, The filter will be black after that period of time. I had a new filter fitted to a dyson, and it was a light grey withing a few weeks - if after 6 years the filter isn't black then id love to know whats happening to all the carbon...

Online MVacs

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Re: Do I Need A New HEPA Filter - DC23 (DC32)?
« Reply #5 on: June 05, 2017, 03:17:54 AM »
Do you think I need a new HEPA filter (pictures below)?

Yes.

Offline Elgin

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Re: Do I Need A New HEPA Filter - DC23 (DC32)?
« Reply #6 on: June 05, 2017, 04:15:02 AM »
Do you think I need a new HEPA filter (pictures below)?

Yes.

as MVacs said
; you will need a new one

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