Entropic, I totally agree. I was shocked at how worn my screw is. And yet, my nut is pretty damned good. I’m guessing someone changed the nut. Maybe even tried to reuse the little ball Oiler and that’s why the ball oiled was screwed up. FWIW... I had ordered new ball Oiler from McMaster. When changing it, I decided to think about the acme screw I also ordered. And thats why I’m now changing the screw out.
Clausing 5903 Crossfeed Screw repair.
I ordered a new Acme 5/8”-10 LH threaded rod from Roton Products. Finally getting around to making it work on my 5903 lathe. The threaded screw has a dowel pin which attaches it to the Crossfeed dial. The biggest issue is that there is a raised part of the Acme thread which is a bearing surface...
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