<HTML style="FONT-SIZE: x-small; FONT-FAMILY: MS Sans Serif" xmlns="http://www.w3.org/TR/REC-html40" xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:w = "urn:schemas-microsoft-com:office:word" xmlns:st1 = "urn:schemas-microsoft-com:office:smarttags"><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content=Word.Document name=ProgId> <META content="MSHTML 6.00.2737.800" name=GENERATOR> <META content="Microsoft Word 10" name=Originator><LINK href="cid:filelist.xml@01C474AA.DE9007E0" rel=File-List><o:SmartTagType name="PersonName" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType> <STYLE> st1\:*{behavior:url(#default#ieooui) } </STYLE> <STYLE>  </STYLE> </HEAD> <BODY lang=EN-US style="tab-interval: .5in" vLink=purple link=blue> <DIV>Lance</DIV> <DIV>Perhaps the hammer bore distance is too long?</DIV> <DIV>Ed Sutton</DIV> <DIV> </DIV> <DIV></DIV> <DIV> </DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid"> <DIV style="FONT: 10pt Arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black">From: <A title=llafargue@charter.net href="mailto:llafargue@charter.net">llafargue</A> </DIV> <DIV style="FONT: 10pt arial">To: <A title=caut@ptg.org href="mailto:caut@ptg.org">College and University Technicians</A></DIV> <DIV style="FONT: 10pt arial">Sent: 7/28/2004 2:57:53 PM </DIV> <DIV style="FONT: 10pt arial">Subject: RE: Yamaha C3 regulation</DIV> <DIV> </DIV> <DIV class=Section1> <o:p> </o:p> I will plug these ideas in. If anything, the knuckle core is angled toward the key front/player, when the jack is straight up.   The angle of knuckle core and back of jack are not exact.  Close, but not exact.  I’ll be back.<o:p></o:p> <o:p> </o:p> <DIV> <st1:PersonName>Lance Lafargue</st1:PersonName>, RPT<o:p></o:p> LAFARGUE PIANOS<o:p></o:p> New Orleans Chapter, PTG<o:p></o:p> 985.72P.IANO<o:p></o:p> <st1:PersonName>llafargue@charter.net</st1:PersonName><o:p></o:p></DIV> <o:p> </o:p> -----Original Message----- From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of llafargue Sent: Wednesday, July 28, 2004 8:17 AM To: 'College and University Technicians' Subject: RE: Yamaha C3 regulation <o:p> </o:p> I’m headed back to the piano to check more carefully.  The backchecks aren’t doing it.  On after touch; I tried raising the glide bolts to see if that affected it, but no. Thanks, I’ll post later today.  <o:p></o:p> <o:p> </o:p> <DIV> Lance Lafargue, RPT<o:p></o:p> LAFARGUE PIANOS<o:p></o:p> New Orleans Chapter, PTG<o:p></o:p> 985.72P.IANO<o:p></o:p> <st1:PersonName>llafargue@charter.net</st1:PersonName><o:p></o:p></DIV> <o:p> </o:p> -----Original Message----- From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of llafargue Sent: Tuesday, July 27, 2004 9:23 PM To: caut@ptg.org Subject: Yamaha C3 regulation<o:p></o:p> <o:p> </o:p> List,<o:p></o:p>  I have a customer with a Yamaha C3 that’s 4 years old.  It is like new, very slight knuckle/hammer wear, but really good shape.  I have regulated it and everything seems great except that the let-off bump feel seems excessive and I can’t figure out why, on this C3.  I have lubed everything, knuckles with Teflon, McLube to all key pins, whippen/jack tops, etc, but when the jack lets off, you really feel it.  Also, when playing pianissimo, at the point of let-off, there is a definite wall that you hit and it actually prevents some notes from releasing.  I am wondering what aspects of regulation affect this.  Or is there something else I am missing?  Let-off is about 1/8” to 1/16” graduated, drop a little more than that, checking is close; rep springs are not too strong.  Knuckle and jack top shape seem normal.  Thanks.   <o:p></o:p> <o:p> </o:p> Lance Lafargue, RPT<o:p></o:p> LAFARGUE PIANOS<o:p></o:p> New Orleans Chapter, PTG<o:p></o:p> 985.72P.IANO<o:p></o:p> <st1:PersonName>llafargue@charter.net</st1:PersonName><o:p></o:p> <o:p> </o:p></DIV></BLOCKQUOTE></BODY></HTML>