Quote Originally Posted by Robin Hewitt View Post
I like guessing games :dance:

It's a Vee bed, n'est ce pas? If so I'd look at the saddle bearing face opposite the Gibb strip. Has it worn into a bow? If so no amount of tightening the Gibb will stop the saddle twisting and you have some scraping to do.
It is a vee-bed, the outer edges are angled at 60deg approx. The tailstock runs on the centre of the bed.

I haven't taken the saddle off yet. The gib strip is at the back so I assume that is where the wear will be, no? Is this a case of replacing the gib strip?