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I know the original discussion was about simple switches, which wouldn't have this problem, but to add to this warning, I've also seen WD40 dissolve resistive traces on slider pots. Rendered the formerly scratchy pot completely useless. As stated, electronic contact cleaner is the best. My favorite is DeoxIT from Caig Labs. Their CaiLube produce is also very useful for slider resistors (like in cheap mixers), since it's not corrosive and adds some lubricant. Back to WD40, I worked on a Mackie mixer awhile back where the owner had cleaned the face of it with WD40 (between the knobs and stuff). He thought it was cool, like using ArmorAll on your car or something. Exactly like Bernhard's advisor said, the junk gooked up and attracted dust. This thing looked like it was growing fur! (or mold...) Repeated cleanings with degreasers still didn't get rid of all the residue. This is seriously NASTY stuff! Use it to lube your squeeky door hinges, keep it AWAY from your electronics!!! Greg --- Bernhard Wagner <loopdelightml@nosuch.biz> wrote: > Forwarding to protect others from similarly devious thoughts... > > > -----Original Message----- > > From: dirt [mailto: asked to be kept private due to spam] > > Sent: Dienstag, 5. Oktober 2004 00:49 > > To: Bernhard Wagner > > Subject: Re: WD-40 & EDP Pedal EFC-7 > > > > > > Hello Bernhard - > > > > Not recommended. WD-40 may work in an emergency if you don't have > > anything better, but it leaves an oily residue which attracts/captures > > dirt. "Repeat often" use (necessitated with having an oily film inside > > hanging onto any dust it comes in contact with) will eventually gum > > things up and affect the switch resistance values the EFC-7 depends >upon > > to work reliably. It's MUCH better to spend a buck or two more atta > > Radio Snack for a residue-free elecTRONIC* contact cleaner that's made > > specifically for this sort of thing. [*do NOT use anything labeled as >an > > elecTRIC contact cleaner commonly found in automotive sections - can > > soften or dissolve the button-switch plastic] > > > > Best to only use WD-40 on stuff where a little bit of extra resistance > > doesn't matter (like big ol' motor relays or the insides of of an old > > car's water-wetted distributor cap during a heavy rain). > > > > Cerulean - d > > > > > > Bernhard Wagner wrote: > > > > > > Mentions WD-40: > > > > > http://www.loopers-delight.com/cgi-bin/wilma_hiliter/LDarchive/200 > 009/msg004 > > 96.html?line=51#hilite > > > > Mentions WD-60 ? Probably meant WD-40, right? > > http://www.loopers-delight.com/LDarchive/200409/msg00285.html > > > > >From this list: > > http://www.twbc.org/wd40.htm > > it seems that WD-40 might be useful for cleaning/removing moist from > > electric contacts. > > > > Anyone experienced with WD-40's use to clean the contacts of the EFC-7 > > (plain old foodpedal that comes with the EDP) ? > > > > Thank you > > Bernhard > > _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com