Quote:
Originally Posted by Stockden
In essence, Harry Leeming (who, it must be said, has quite a lot of experience in radio servicing) describes how he discovered that WD-40 will, on occasion, successfully clean contacts that other things won't. He emphasises that it's a cleaner of last resort but one that can save the day.
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This has been my experience also. WD40 gets its bad name because clueless people spray huge amounts of it everywhere. Applied very sparingly using a needle dropper or screwdriver blade it is indeed very effective at shifting ancient crud deposits.