<!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=Arial size=2></FONT> </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">----- <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>William = R. Monroe<BR></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT face=Arial size=2></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></FONT></DIV> <DIV><FONT face=Arial size=2>    = William,</FONT></DIV> <DIV><FONT face=Arial size=2>    I'm late to this = thread ,so excuse me if this is redundant, but worn balance rail holes--I.E. = pulley keys--can result in poor checking.</FONT></DIV> <DIV><FONT face=Arial size=2>    Tom = Driscoll</FONT></DIV> <DIV><FONT face=Arial size=2>    </DIV></FONT></BLOCKQUOTE></BODY></HTML>