This is a multipart message in MIME format ---------------------- multipart/alternative attachment Rather than graphite, use micro-fine teflon powder from Bill= Spurlock. David I. ----- Original message ----------------------------------------> From: chweelee <chweelee@singnet.com.sg> To: 'Pianotech' <pianotech@ptg.org> Received: Sat, 6 Dec 2003 15:23:22 +0800 Subject: RE: Yamaha upright jack(or some such) noises Hi Dave, Try applying graphite on the butt skin and also on the capston= screw surface that is rubbing against the whippen heel cloth if= the parts are not worn off yet. Ruth Lee -----Original Message----- From: pianotech-bounces@ptg.org= [mailto:pianotech-bounces@ptg.org] On Behalf Of= Piannaman@aol.com Sent: Saturday, December 06, 2003 11:34 AM To: pianotech@ptg.org Subject: Yamaha upright jack(or some such) noises Hello Listers, I tuned a Yamaha U-3 today, approximately 20 years old. = Everything on it was fine, except for the squeak/rattle that= seemed to emanate from the jacks. I've experienced this on= other Yamaha uprights, but have not been able to come up with a= definitive reason for the noise. It seems to me as though it's= the jack/jack spring interface. The customers haven't= complained about it, but it drives me nuts. It's evident mostly= on hard blows. I'm sure many of you have heard this noise before, and probably= most of you have figured out what it is and have been able to= fix it. If you have, please enlighten me! I will be forever in= your debt! Thanks in advance, Dave Stahl ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/93/64/e5/0d/attachment.htm ---------------------- multipart/alternative attachment--
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