Re: Cleaning dirty "Push Push" switches
The WD40 contact cleaner (not the normal blue stuff) is wonderful. It doesn't eat any plastics, leaves no residue and works almost instantly. Have used it on all sorts of latching changeover switches. You give them a squirt up the bum with it, exercise them and that's usually enough. No dismantling of switches required. Getting creative with the tube that comes with it is the hardest bit when the switch is hidden away (Tek channel switches for example)
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