WD40 is also excellent as an anti-fly/wasp spray, but
it makes a mess of the interior decor!
"Roy Lewallen" wrote in message
...
I've had very good luck using WD-40 for the purpose, though. It's a very
good solvent, can find its way in through the small gap around a shaft
or other places, and leaves a lubricating film on the element. Variable
resistor wipers and switch and connector contacts don't seem to have any
trouble cutting through the lubricating film to make good contact.
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