Tom Wait wrote:
"X" nut is a two piece R.H.ACME
thread..one part of the nut is set in the cast iron nut housing dimpled with
a 3/16 drill then locked in position by a dog point set set screw ...then
the second part of the nut (backlash adjusting)is screw into the nut housing
then the table lead screw is screwed into the two bronze nuts you finish
assembling the machine...

Thanks, Tom. It was this description on the Yahoo group that caused me
to ask the question. My 1947 model isn't like that, and I didn't want to
take a chance of screwing it up. I went ahead and did it; simple: back
off the (RH) locking ring, snug up the brass insert for the best
compromise, and tighten the locking ring.


Kevin Gallimore

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