Leather will wear better. I have on several occasions just replaced the one side of the bushing on those angled keys...at the piano... David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "David Love" <davidlovepianos at comcast.net> To: pianotech at ptg.org Received: 8/30/2009 5:23:16 PM Subject: Re: [pianotech] Yamaha U1 >I think it has to do with how the keys and/or mortises were cut such they >aren't parallel to the plane on which the key rotates. That causes a slight >pulling to the right of the key relative to the mortise which wears down the >left side of the mortise more quickly. If that's the case, you can't do >much about it. > >David Love >www.davidlovepianos.com > >From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf >Of Matthew Todd >Sent: Sunday, August 30, 2009 4:58 PM >To: pianotech at ptg.org >Subject: [pianotech] Yamaha U1 > >I recently had a call to fix annoying squeaks that were persistent in a >client's piano. I discovered that on numerous keys (not all), that one side >(left side) of the balance rail bushing was worn down. > >Before I go replacing the bushings, what would be the cause of this? Do you >run across this in this particular kind of piano? > >Thank you, >TODD PIANO WORKS >Matthew Todd, Piano Technician >(979) 248-9578 >http://www.toddpianoworks.com <http://www.toddpianoworks.com/> >
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