I did have (and still have some) binding problems with the rudder/tailwheel. Not totally happy with my results, but it is working reasonably well. I did not have to shim the tailwheel bracket.

As I remember on left rudder, the clevis hit the tailwheel support or the fuse. On right rudder the pushrod hit the tailwheel support or the fuse.

I put in a new pushrod and ran it through a brass connector on the rudder control horn. The connector is at the end of the control horn to get the pushrod as far away from the tailwheel support as possible. Still had to cut and hack to get clearance. See the pictures.

The left rudder throw is not quite as far as the manual calls for. The right rudder is maybe half. That's the part I am not happy with.

good luck,
Brian