When I get into tenths I usually break out the Tylenol and Jack Daniels. Shop dog executes an emergency egress about thenWhen you get into tenths, I believe it is time to break out the hone.
I have one as well, but I have yet to take it apart. If you get yours open I would greatly appreciate seeing inside.
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I looked through all my stuff for you last night, couldn't find anything either. Have you parted the tenths adjustment ring from the boring head yet?Just talked to Allied Machine, who bought Criterion, they have no information or engineering drawings for the tenth setting boring head.