<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML 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 6.00.2600.0" name=GENERATOR> <META content="Microsoft Word 10" name=Originator><LINK href="cid:filelist.xml@01C4747B.52F31BC0" = rel=File-List><o:SmartTagType name="time" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagT= ype><o:SmartTagType name="City" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagT= ype><o:SmartTagType name="place" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagT= ype><o:SmartTagType name="date" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagT= ype><o:SmartTagType name="PersonName" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagT= ype> <STYLE>@font-face { font-family: Tahoma; } @font-face { font-family: Bradley Hand ITC; } @page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; = mso-header-margin: .5in; mso-footer-margin: .5in; mso-paper-source: 0; } P.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-style-parent: ""; mso-pagination: widow-orphan; = mso-fareast-font-family: "Times New Roman" } LI.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-style-parent: ""; mso-pagination: widow-orphan; = mso-fareast-font-family: "Times New Roman" } DIV.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-style-parent: ""; mso-pagination: widow-orphan; = mso-fareast-font-family: "Times New Roman" } A:link { COLOR: blue; TEXT-DECORATION: underline; text-underline: single } SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline; text-underline: single } A:visited { COLOR: purple; TEXT-DECORATION: underline; text-underline: single } SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline; text-underline: single } P.MsoAutoSig { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman" } LI.MsoAutoSig { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman" } DIV.MsoAutoSig { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman" } SPAN.EmailStyle18 { COLOR: windowtext; FONT-FAMILY: Arial; mso-style-type: personal; = mso-style-noshow: yes; mso-ansi-font-size: 10.0pt; mso-bidi-font-size: = 10.0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; = mso-bidi-font-family: Arial } SPAN.EmailStyle19 { COLOR: navy; FONT-FAMILY: Arial; mso-style-type: personal-reply; = mso-style-noshow: yes; mso-ansi-font-size: 10.0pt; mso-bidi-font-size: = 10.0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; = mso-bidi-font-family: Arial } DIV.Section1 { page: Section1 } </STYLE> </HEAD> <BODY lang=EN-US style="tab-interval: .5in" vLink=purple = link=blue> <DIV>Lance,</DIV> <DIV> </DIV> <DIV>you've already mentioned the rep. springs are fine, but I have to ask how they = are in relation to the flange pinning?</DIV> <DIV> </DIV> <DIV>IOW, though hammer-rise may look fine, could overly-tight springs be = concealing some "factory-fresh" flange-pinning?</DIV> <DIV> </DIV> <DIV>I will add Ed Foote's clever tip to my bag of tricks. However, must say with Yamaha in particular, I've often found it difficult to adjust = the balancier height by feel (which is my preference). </DIV> <DIV> </DIV> <DIV>In my experience, good spring-strength a given, the jacks don't = return well with the wink test, no matter the balancier height. Although they = work just fine under actual playing conditions. (and this is of course is another topic)</DIV> <DIV> </DIV> <DIV>The combination of excess drop and rep. spring-strength is the most frequent = cause of resistance at escapement I run into.</DIV> <DIV> </DIV> <DIV>Hope you return from your service call with the problem = solved!</DIV> <DIV> </DIV> <DIV>Mark Cramer,</DIV> <DIV>Brandon University </DIV> <DIV> </DIV> <BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left>-----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 </DIV> <DIV class=Section1> 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> <st1:PersonName>Lance Lafargue</st1:PersonName>, = RPT<o:p></o:p> LAFARGUE PIANOS<o:p></o:p> <st1:City><st1:place>New Orleans</st1:place></st1:City> 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: <st1:date = Year="2004" Day="27" Month="7">Tuesday, July 27, 2004</st1:date> = <st1:time Minute="23" Hour="21">9:23 PM</st1:time> To: caut@ptg.org Subject: Yamaha C3 regulation <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> <st1:City><st1:place>New Orleans</st1:place></st1:City> 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= >