I'm in the early stages of a refresh of my Fray 10RH mill. Got the table off, and have a question about what I'm looking at.

The left hand rib in the saddle that the X screw passes, has what I think is a felt wiper sticking out of the left hand side. Is this correct? I would also guess that the allen head setscrew is a means to remove backlash? The rib on the right is empty where the screw passes, should there not be wipers as well?