Quote:
Originally Posted by kbmuri
I've been told that WD-40 is a bad idea on contacts that might spark. The residue is flammable. This from a pinball-machine restorer, second hand, but seemed like a reputable source.
Save the WD-40 for your squeaking door hinges.
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Ah-yep! I've seen an air conditioner fan motor (biggie, 240AC, 2HP job) go up in flames after an all-too-inexperienced public works guy sprayed WD-40 in the lube holes in an attempt to stop a squeak. It got the base fire department to our building real quick.
(We later found it was the squirrel cage blower scraping that caused the squeak.)
I've got a buddy that works as a chemist for one of the local water works - he loves running WD-40 on their spectrometer and seeing that it is remarkably like kerosene/diesel fuel.
As an aside, WD-40 works great in cleaning grease pencil marks off of items I buy at the local thrift stores.
Cheers,