I looked in the archives for info on the Hardman Duo and didn't find a lot there. Was there ever any repair information found for this player action? Any suggestions on rebuilding one? I have not seen it yet so do not know if it has plastic valves or not. Bob Stewart [ See http://mmd.foxtail.com/archives/KWIC/H/hardman.html and [ http://mmd.foxtail.com/archives/Digests/200401/2004.01.06.08.html [ -- Robbie