Hi Mike,
Well that's good to hear, it is usually just old dried up dirty grease that messes up the works. But once you have SuperLubed you just have to worry about contamination as it will never gum up on you.??
Did you get some dirt or maybe corrosion in the little post hole that goes through the top plate to make it tight? I would not sand it without knowing the cause as if you get spring loaded worms in the future you don't want that hole to be oversized. McMaster Carr has ABEC-7 bearings for $8, this is relatively cheap for reliable supplier.?
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Chip Louie Chief Daydreamer Imagination Hardware?
? ?Astropheric Weather Forecast - South Pasadena, CA?
Chip Louie