Thread Number: 28237  /  Tag: 50s/60s/70s Vacuum Cleaners
Hoover Convertible Sparking Carbon Brushes
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Post# 315608   2/15/2015 at 15:17 (3,356 days old) by Firebirdman55 (Owensboro Kentucky)        

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What causes this? Is it normal? I'm seeing some flashing sparks coming from both carbon brushes on my convertible.

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Post# 315619 , Reply# 1   2/15/2015 at 21:24 (3,356 days old) by electroluxxxx (……)        

Yes that is normal

Post# 315636 , Reply# 2   2/16/2015 at 05:34 (3,356 days old) by Firebirdman55 (Owensboro Kentucky)        

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Thanks! I wasn't sure. I saw two almost constant flashes inside the motor and was afraid something was going wrong with it.

Post# 315642 , Reply# 3   2/16/2015 at 08:02 (3,356 days old) by electroluxxxx (……)        

That is just the brushes making contact with the commutator, every brushed motor does this :)

Post# 315660 , Reply# 4   2/16/2015 at 12:10 (3,355 days old) by vacuumlover (UK)        

yes its normal. your not alone lol before i knew (years ago) i was worried.
As electroluxxxx said its just the brushes coming in contact


Post# 315994 , Reply# 5   2/18/2015 at 17:05 (3,353 days old) by Firebirdman55 (Owensboro Kentucky)        

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What does it mean if the carbon brushes emit a clicking noise/whine when running? Does every vacuum use a different carbon brush or are they all interchangeable?

Post# 316013 , Reply# 6   2/18/2015 at 22:19 (3,353 days old) by Electroluxxxx (……)        

A lot of machines use carbon brushes, some of which are interchangeable however no not all machines are interchangeable different models use different components, and yes it is normal to hear a clicking/whine on power down and sometimes during operation. For example the hoover model 61 has a slight brush whine when in operation.


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