<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.6000.16608" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080>Wesley,</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080>As Dean mentioned, first raise the balance rail supports and make sure they are not lifting the action too much.</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080>Then, hopefully, the front rail will not be so high off the keybed at the center.  You can plane / sand the ends to fit.</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080>If there is still too much height in the middle, one good repair is to glue some veneer to the front edge of the keyframe on the bottom, then sand / plane everything to fit the keybed properly.  Reset the balance rail supports after the front and back rails are well fitted.</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080>Another technique is to cut saw kerfs across the front rail if there are not any yet.  This depends on the rail type and stiffness, but some front - to - back kerfs on the bottom will make the rail more flexible, and could help it stay flat. </FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=015304303-26022008><FONT color=#000080>There are more possibilities, but I think these are the most common ways to treat unusual front rail bedding.</FONT></SPAN></DIV> <DIV><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV><SPAN class=015304303-26022008><FONT color=#000080>At the end you will likely need to reset key height and dip, at least a little.</FONT></SPAN></DIV> <DIV><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV><SPAN class=015304303-26022008><FONT color=#000080>Don Mannino</FONT></SPAN></DIV> <DIV><SPAN class=015304303-26022008><FONT color=#000080></FONT></SPAN> </DIV> <DIV dir=ltr align=left><BR></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left> <HR tabIndex=-1> <FONT face=Tahoma size=2><B>From:</B> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] <B>On Behalf Of </B>Wesley Hardman<BR><B>Sent:</B> Monday, February 25, 2008 5:49 PM<BR><B>To:</B> Pianotech List<BR><B>Subject:</B> Wurlitzer G411<BR></FONT><BR></DIV> <DIV></DIV> <DIV><FONT face=Arial size=2>A customer of mine has a Wurlitzer G411 in which there is approximately .090 inch of clearance in the middle between the front rail of the keyframe and the keybed.  The space decreases from the middle to each of the ends of the keyframe.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>What is the best way to solve this problem without sanding an enormous amount of wood from each end of the keyframe?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Wesley Hardman, RPT</FONT></DIV> <DIV><FONT face=Arial size=2>Scottsboro, Alabama</FONT></DIV></BLOCKQUOTE></BODY></HTML>