<HTML><HEAD> <META charset=US-ASCII http-equiv=Content-Type content="text/html; charset=US-ASCII"> <META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD> <BODY style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff"> <DIV> <DIV>Greetings,</DIV> <DIV> </DIV> <DIV>        There is so much to learn!  Every time I think I have learned something, it turns out to have many more aspects to it.  (...great isn't it) </DIV> <DIV> </DIV> <DIV>Thanks</DIV> <DIV>JUlia </DIV> <DIV>Reading PA</DIV> <DIV> </DIV> <DIV>In a message dated 11/26/2006 5:21:09 PM Eastern Standard Time, Erwinspiano@aol.com writes:</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"> <DIV><STRONG><EM><FONT face=Arial size=2>HI Julia</FONT></EM></STRONG></DIV> <DIV><STRONG><EM><FONT face=Arial size=2>  For a light filing, yes, you raise a practical issue.  There is of course a tolerance at which performance won't suffer  greatly.  It would be great if the fix were as simple as  a let--off adjustment but in order to maintain proper regulation/ i.e. blow distance .... hammer line needs to be raised as will the drop & let-off screw.  The magic line changes & the hammers now over center more as well. All the while the touch becoming lighter due to felt loss & geometry changes. It always Strikes me as such a sticky wicket. Don't you think? And then there's the scruffing scuffing hammer thing.</FONT></EM></STRONG></DIV> <DIV><STRONG><EM><FONT face=Arial size=2>  Dale</FONT></EM></STRONG></DIV></BLOCKQUOTE></DIV> <DIV></DIV></BODY></HTML>