Re: Scratchy radio knob fixed!

["Michael Menard" <mike5635@xxxxxxxxx>]

> Ted Crum warned:
>
> >I've only seen a miracle on very cheap pots with
> loose
> > bushings and no shaft lubricant, when you could get
> > some cleaner in through the shaft.
> >Don't bother.
>
> Actually, I just used the spray last night, and it
> worked great!  Could be that the BMW radio uses very
> cheap potentiometers with loose bushings!  ;'O!
>
> Thanks, everyone!

Not necessarily cheap; don't know about your model, but my BMW's radio was
made by Alpine; hardly a "cheap" manufacturer.

Dirt happens, ya know? The nature of a potentiometer is that it tends to be
positively charged. Positive charges attract dust particles (which are
negatively charged). That's why cleaners exist. ;)

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