<!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 6.00.6000.16674" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Jack,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>In this situation we use a smaller caul along with an appropriately thick shim.  This only works with Spurlock's two caul method.  So let's say you need a finished bushing for a .142 pin.  Use the intermediate and final cauls for .137 inserting a precut .005 shim in the mortise along side the caul, opposite the side that you are currently glueing.  </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I wander the shop and office with my thickness gauge checking various papers, notecards, photos, and envelopes until I find the correct thickness.  I then slice these up into one quarter inch by two inch strips (approximately) to use as my supplemental cauls.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Debbie Legg</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">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=jackhouweling@dccnet.com href="mailto:jackhouweling@dccnet.com">Jack Houweling</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, July 15, 2008 12:29 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Key Bushing</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>Hello everyone,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I am rebushing a set of keys for a Chickering grand and the balance pin holes are an odd size and do not fit any of my Spurlock cauls.</FONT></DIV> <DIV><FONT face=Arial size=2>What do you do in this situation? Do you special order cauls or can you make them yourself?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>