<HTML style="FONT-SIZE: x-small; FONT-FAMILY: MS Sans Serif"><HEAD> <META http-equiv=Content-Type content="text/html; charset=windows-1251"> <META content="MSHTML 6.00.6000.16608" name=GENERATOR></HEAD> <BODY> <P> <DIV>One of the methods mentioned is heating the centers with a soldering gun.  I have done this on several S&S actions, all of them more than ten years ago.  It has not lasted.  The one I see most often, at least once a year, is a model M.  I brought the action to my shop mainly just to deal with the verdigris in hammer and whippen centers.  I cannot remember if I did the jacks too.  I modified the soldering iron tip, ran it though a rheostat to control the temp well.  I could see the smoke burn that stuff out, I felt pretty good about it.   I repinned the centers to normal ranges.  After a few years, I found I had to use Protek CLP at each tuning to get centers to work properly.  The piano gets very little use, and the keys above and below are always the worst.</DIV> <DIV> </DIV> <DIV>Now, I recommend rebuilding the action with new parts.  One of you out there may come up with something that will work for the long run, but I am going to have someone tell me it has worked for them at least ten years before I go this route again.  </DIV> <DIV> </DIV> <DIV> </DIV> <DIV>Bruce Dornfeld, RPT</DIV> <DIV><A href="mailto:bdornfeld@earthlink.net">bdornfeld@earthlink.net</A></DIV> <DIV>North Shore Chapter</DIV> <DIV> </DIV> <P></P></BODY></HTML>