LiveLife
Member
That's the practical range of play the top carrier cover experiences with the redesigned priming rod/pin (The range of play increased over the old straight priming pin) while still allowing the priming pin to move freely up and down while keeping the index pin inside the top cover hole without rubbing.I do not have a clue what "rotational play" is
Yes, very good point as likely mass produced press parts will have some inherent production/assembly variance as not all users will be careful enough to ensure the primer chute/trough pin is inside the lower groove ring and tensioned slightly when tightening the two flathead screws on top.That was my finding as wellExisting pin is .062 diameter, new pin is .093 so .093 minus .062 = .031. .031 divided by 2 = .0155 so the pin is that much closer to the column. Not much if existing pin does not even hit column now as some evidently do not.
If assembly of top carrier cover is done with chute/trough pin at the farthest rotation point away from the press column, yes there is going to be issues with pin coming nowhere near the press column, let alone the groove rings.
And this tolerance stacking is what I pointed out to Calvin/Lee Precision over several emails with measurements taken with testing with primer tray. I am quite sure Lee Precision looked at different aspects of primer feeding issue from tray but when existing .062" diameter pin was sleeved with pen filler roller to produce .118" diameter roller with resulting effective shaking of tray (limited by rotational play of old straight priming pin), I think decision was made to increase the chute/trough pin diameter using .093" pin from Pro 1000 they already had in inventory coupled with increased rotational play from redesigned priming pin to arrive at similar pin contact pressure with press column/groove rings.
So that's what I will be testing when I receive the larger pin primer chute/trough assembly Calvin is sending.