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Author Topic: SEBO BS36 - Motor Issues  (Read 765 times)

Offline TOWERINFERNO

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SEBO BS36 - Motor Issues
« on: August 13, 2018, 11:42:57 PM »
Hi All,

I'm new here (hello) and I'm hoping someone can help me diagnose the problem I have with my Sebo BS36 Comfort.

When running the vacuum motor I get a burning smell along with a dodgy noise (the burning smell set the fire alarm off!) Ive stripped the vacuum motor out and I think it looks fine, however there was a lot of carbon soot in the housing and over the motor etc.

I'm not sure what I need to get my SEBO back up and running??

Any help would be very much appreciated.

Many thanks,

Keir


Offline macman

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Re: SEBO BS36 - Motor Issues
« Reply #1 on: August 14, 2018, 08:53:15 PM »
What you have described are the classic symptoms of a burnt out motor: check the carbon brushes, the odds are they down to the metal.

Offline TOWERINFERNO

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Re: SEBO BS36 - Motor Issues
« Reply #2 on: August 14, 2018, 09:36:24 PM »
Hi buddy,

Many thanks for getting back to me. It looks like there is still a little life left in the brushes see photo?

Online MVacs

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Re: SEBO BS36 - Motor Issues
« Reply #3 on: August 15, 2018, 04:18:23 PM »
Bench test the motor while you have it out.

Offline Dysonboy

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Re: SEBO BS36 - Motor Issues
« Reply #4 on: August 16, 2018, 02:02:22 AM »
Hi buddy,

Many thanks for getting back to me. It looks like there is still a little life left in the brushes see photo?

Commutator looks a little burnt out... They do go black, but normally that deep of colour they are burnt.
Collector and restorer of most vacuum cleaners including vintage, older style models and newer models. Seller of refurbished vacuums and vacuum parts Livin' every day, as if it were the last!

Online ryevac

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Re: SEBO BS36 - Motor Issues
« Reply #5 on: August 16, 2018, 01:08:51 PM »
You can clean commutator with a fibreglass pen and replace brushes with good quality ones.

I have saved a few using the above method but generally once the commutator has started to get really hot it's life and reliability is reduced i found.
Easy answer is to replace the motor for a hassle free future. Nothing worse than spending a couple of hours working on a machine reconning the motor and it fails a couple of months later down the line, especially if it's a paying customer.

I haven't done a massive amount of work on this model, but if it has an exhaust filter - is that ok ?
If it was assembled it can be disassembled - if we can't repair it then it probably isn't worth repairing !

Offline macman

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Re: SEBO BS36 - Motor Issues
« Reply #6 on: August 16, 2018, 01:47:11 PM »
I'd agree with the above. With most Dyson motors of the DC04/07/14 era, it's generally not worth it. With Sebo motor prices though, it's worth a try with just new brushes.

 

 

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