So I woke up dis mohnin wif da answer in my haid:
I took apart the vac pump yesterday, put everything back together
properly (though it was proper as it was). I noticed that I could see
the diaphragm screw through a little hole in the front part that holds
the check valves, right there in the middle. Did not make an impression
on my conscious awareness at that point. So during the night it struck
me that there should be no hole there, I guess my brain reprocessed the
process and came up with that little flash of insight.
I think what happened was that when I first checked it out a few weeks
back, that screw had backed out and the diaphragm was not really
moving. (The loc-tite didn't I guess). I tightened it back, still
didn't get vac, got all new parts and rebuilt it, still didn't get vac,
redid it again yesterday, checked the cam and rocker/roller, still
didn't get vac. The screw must have pounded that little hole out, nice
little round punch in that pot metal. It sucks and blows, back and forth.
So I guess off to the junkyard tomorrow or maybe some JBWeld, see if
that does the trick.
--R
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