I don't own that particular lathe, but I had a similar problem with my
rockwellized walker turner. Solution was to use shim stock under the
tail stock 1/2 the size of the offending offset. But then I have a
flat bed lathe with split ways. If your problem is side to side offset
then you have a different kind of problem. How is the tail stock
mounted? Tubes? or on the old style split ways bed? You might also
check out rec.crafts.woodturning , the folks over there are a great
help often too. I also believe there is a metalworking group.
You might also check their website:
& contact them -- I did a quick search on wilton tools-- the site was
the second hit.