Post 4 made on Friday March 22, 2019 at 07:14 |
buzz Super Member |
Joined: Posts: | May 2003 4,371 |
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A technique that I've used to clean contacts in general is to operate the switch or control throughout its full range a zillion times. The theory is that there is that a thin oxide coating has formed and the repeated operation simply wears the coating down. Adding a small amount of contact cleaner, when possible, is helpful.
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