cleaning momentary push button switches

[Chuck Guzis]

On 13 Jun 2009 at 16:55, Keith wrote:

> I've got an old piece of test equipment that has momentary push button
> switches which are the primary "input" or control.  While most of them
> seem to work, many of them are sticky, mushy, and just don't have a
> positive click.
> 
> I'm not totally adverse to simply replacing them --- assuming I could
> find an exact match.

Back in the day, we'd just rinse them in freon TF or carbon tet  Good 
luck in finding any...

I wonder if tetrachloroethylene (percholorethylene, or "perc" to your 
local dry cleaner) would work just as well?

--Chuck