<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1476" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face="Bookman Old Style" size=2>Joe Garrett, = </FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2>I have already bedded the = keyframe, and double checked to make sure.</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2></FONT> </DIV> <DIV><FONT face="Bookman Old Style" size=2>Tom,</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2>Already repaired the = balance rail holes (Onesti system - great tool!).</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2></FONT> </DIV> <DIV><FONT face="Bookman Old Style" size=2>Joe Goss, and = Paul,</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2>Rep Springs really don't = seem too strong, they have definite rise, but do not "jump-up" from check.  = I will try weakening them more, though, and see what that brings.]</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2></FONT> </DIV> <DIV><FONT face="Bookman Old Style" size=2>Terry F,</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2>Double checked jack = position, by bringing it out to the point of cheating, then just in enough to = function, and no change (Drat!).</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2></FONT> </DIV> <DIV><FONT face="Bookman Old Style" size=2>Paul,</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2>Great ideas.  Checks = are aligned, spaced, etc.  I resurfaced them prior to regulation.  = Checking occurs about 1/3 of the way into the backcheck, and backcheck = height is just about even or a little below the backcheck tail at drop, checks do = not rub on tails on the rise.  The one thing that is giving me concern = is that when the hammer is in check and I push them further into check, it does = not happen.  I can push the hammer pretty much through the range = of the backcheck without much increase in friction.  As as mentioned = earlier, maybe the hammers being hung at a different angle are to blame (if = indeed that was done).  I will be checking that, but any other thoughts on why = the hammers won't go deeper into check?</FONT></DIV> <DIV> </DIV> <DIV><FONT face="Bookman Old Style" size=2>Thanks everyone for your input!!!</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2>William R. = Monroe<BR>Madison, WI<BR>Assoc.</FONT></DIV> <DIV> </DIV> <DIV> </DIV> <DIV> </DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=joegarrett@earthlink.net = href="mailto:joegarrett@earthlink.net">Joe Garrett</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, November 09, = 2004 11:35 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: About = Checking</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>William asked: "<FONT face="Times = New Roman" size=3>Also tried varying the backcheck height, which showed no noticeable<BR>improvement with either higher or lower = backchecks.  Also tried changing the<BR>backcheck angle - again no improvement one way = or the other, hammers simply<BR>will not check on soft blows."<BR><BR>Lost in = Wisconsin:<BR>William R. Monroe<BR>Madison, WI</FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3>William,</FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT face="Times New Roman" = size=3>If you've tried all of that, then it has to be something you didn't = try.<G> Have you checked to see if the keyframe is bedded properly? I've known that = to mess up checking.</FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT face="Times New Roman" = size=3>Best Regards,</FONT></DIV> <DIV><BR></DIV></FONT> <DIV><FONT face=Arial size=2>Joe Garrett, R.P.T.<BR>Captain, Tool Police<BR>Squares R I</FONT></DIV></BLOCKQUOTE></BODY></HTML>