<!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 6.00.2800.1141" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Use a zapper.  Enough current = through the pin to heat it.  A 12 volt 3 amp transformer will do it in about 5 seconds.  But try it slowly.  It might need to smoke to do the = job.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Carl Meyer  Assoc. PTG<BR>Santa = Clara, California<BR><A href="mailto:cmpiano@attbi.com">cmpiano@attbi.com</A> = </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=pdtek@mchsi.com href="mailto:pdtek@mchsi.com">Dave = Bunch</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, March 31, 2003 = 7:30 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Tight wippen = centers</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>Seven years ago I had a customer with = a Wurlitzer console that had very tight wippen centers. After finding that a bit = of center pin lube was not going to do it, I treated them with Baldwin's bushing = shrinking formula of methenol, water and dissolved Ivory soap chips. I = dried them with the heat gun and it seemed to work fine. Now seven years = later she wants to sell the piano and the wippen centers are sluggish again. = Part of the problem is that the console action and keys are so light, that any = friction anywhere is going to keep the action from returning.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I could repin them, but she doesn't = want to spend that much since frankly, the piano is not worth that much. Does anyone = have a sure fire bushing treatment that will loosen the most stubborn centers?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Dave = Bunch</FONT></DIV></BLOCKQUOTE></BODY></HTML>