Steve,
I just finished my uprights with the zerks on the bottom. My thought is that the grease needs to be between the bushings(16) and the main shaft(19). The pivot shaft(22) purpose is to hold everything together and not really be part of the rotating parts. Drilling holes in it so grease can lubricate that shaft may weaken it and not really provide the correct lubrication to the parts that need it. I do not have any miles on my new rebuild at this point.
Ken
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