<html> At 10:29 AM 11/18/2001 -0800, you wrote: <blockquote type=cite cite>Sure sounds like something is moving.  If you find out just what, I'd like to know. I always clamp the key frame to make sure it is in contact with the bench. Sometimes even in the middle of the front rail.  I haven't actually leveled that many keys.  It's more fun to make tools than to use them.  I'm only half joking when I say maybe you should use go bars all over the frame. The problem, as someone suggested, in leveling in the piano, is that there is no room to install the weights on the backchecks, the stack isn't on (that may affect the height) and you have to sit so low that it is uncomfortable. I'm assuming you use the weights hanging off the backchecks.  They are probably heavier than the stack.  All these small variables add up, but I still feel doing at least the major leveling on the bench is more productive.  Especially when you are refelting the whole keybed. Let me know if you come up with any ideas as to why that is happening. Thanks; Carl Meyer  Assoc. PTG Santa Clara, California cmpiano@home.com</blockquote> I would like to mention something about the attachment of the clip-on lead weights. They should not be 'hung'_off_the back of the backcheck. This has a tendency to lift the front of the key higher than the weight of the action would, giving it a false height. They should be 'hung'_on_the front side of the backcheck. The action will fit better into the action cavity. Regards, Jon Page,   piano technician Harwich Port, Cape Cod, Mass. <a href="mailto:jonpage@mediaone.net" eudora="autourl">mailto:</a>jonpage<a href="mailto:jonpage@mediaone.net" eudora="autourl">@mediaone.net</a> <a href="http://www.stanwoodpiano.com/" eudora="autourl">http://www.stanwoodpiano.com</a> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</html>