Mumbles, I thought about the "bushing" idea, but like you say, if the shaft is
worn bad, it’s not going to cure the slop.
Making the shaft "round" again with the silver solder helped, and
then I came up with the idea to put a "shaft seal" on the top side
so it can’t suck air around the shaft…… not saying it will work,
but not out much. One O-ring, a spring, and a washer!
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