<!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 5.50.4522.1800" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV>Don't know exactly why it happens, but I run into it quite a bit in = Florida. Growth is arrested temporarily by filing. If you file, do it = with a vacuum on. Don't breathe dust! Lead is not good for you unless you want = to go crazy like Beethoven or Van Goh! This is a great procedure if you want = to go back and do it every few years.</DIV> <DIV> </DIV> <DIV>If you want to fix it only once, remove old lead and install = new.</DIV> <DIV> </DIV> <DIV>I wonder if it would help significantly to put a quick coat of thin = epoxy on the side of the key to cover the freshly filed lead, or even the new lead?</DIV> <DIV> </DIV> <DIV>Terry Farrell</DIV> <DIV> <SPAN id=__#Ath#SignaturePos__></SPAN> </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=caute@optusnet.com.au = href="mailto:caute@optusnet.com.au">Tony Caught</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, November 19, 2001 = 1:24 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Growing Leads</DIV> <DIV><BR></DIV> <DIV>Hi List</DIV> <DIV> </DIV> <DIV>Got a problem with growing leads in the keys of a Herburger = keyboard fitted to a Schimmel grand piano.</DIV> <DIV> </DIV> <DIV>Does anyone know how to arrest the growth problem ? Can drilling = a small hole in the middle of the lead help ? What is the major cause of this oxidisation ?</DIV> <DIV> </DIV> <DIV>Thanks</DIV> <DIV> </DIV> <DIV>Tony Caught</DIV> <DIV> </DIV></BLOCKQUOTE></BODY></HTML>