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Re: Variac brush repair
to: Gary
Replacement brushes are readily available for Superior Products. Contact
them directly in Bristol, CT. They will probably refer you to a local
distributor who can assist in your order.
DR.RESONANCE-at-next-wave-dot-net
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> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Variac brush repair
> Date: Sunday, December 13, 1998 2:43 PM
>
> Original Poster: Gary Lau 13-Dec-1998 1211 <lau-at-hdecad.ENET.dec-dot-com>
>
> I have a Superior Electric Powerstat 120V/15A variac whose brushes are
> just about at the end of their life. While my first choice would be to
> simply buy a new set of brushes, I fear this may be hard to come by. If
> anyone knows if it is possible to buy replacement brushes, please do let
> me know!
>
> Anyway, I was considering the possibility of repairing the old brushes.
> They appear to be brass blocks with a carbon brush soldered into a notch.
> While I'm sure I could find another carbon brush and machine it down to
> size, I'm not certain about how it's secured in that brass notch, I doubt
> that carbon is solderable unless it's copper plated. Has anyone else
> attemped such a repair?
>
> Gary Lau
> Waltham, MA USA
>