<!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><FONT size=2>List,</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Tuned a two years old Yamaha C7 yesterday and was = surprised to find about 8 loose and jumpy tuningpins in about the same area, ( G4 to = D4) </FONT><FONT size=2>while the rest of the pins where normaly tight and = smoothly turning.</FONT></DIV> <DIV><FONT size=2>I was wandering why this happend (bad drill? to fast = feed rate and thus to much heat while drilling? other reasons?)</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>While the client asked to the seller to fix this = problem with the guarantee, I was </FONT><FONT size=2>just curious to know how such = a problem can be solved? (remove the offending pins, clean the hole with a pinhole = brush and repining  with two sizes larger pins?)</FONT></DIV> <DIV><FONT size=2>Would these pins stay jumpy after = repinning?</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Thanks for any advice,</FONT></DIV> <DIV><FONT size=2>Pierre Gevaert</FONT></DIV> <DIV><FONT size=2>Belgium</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV> </DIV></BODY></HTML>