When I insert the gib rail, thin side first from the left of the image to the right. It doesn't seem to tighten up the saddle until the rail is about 50% through. I'm getting wiggle from side to side when the rail is positioned normally.
I can use/adjust the side locking screw for fine adjustment to stop the wiggle, although I don't believe that's the correct use for them.
Any ideas?
image-->: Imgur