I am trying to remove a diverter from a Waltec 12 shower fawcett. I have taken off the screw and knob and backed off the nut however the diverter will not move nor does it appear to have any other way to be removed. Is there something I am doing wrong?

This link may help, Waltec shower valve Problems & Solutions - Page 12- FixYa (http://www.fixya.com/tags/waltec_shower_valve/page-12) This is a Watec trouble shooting page, Good luck, Tom