More likely swallowed by a Burmese Boa... David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: <donmannino at ca.rr.com> To: pianotech at ptg.org Received: 1/13/2010 12:42:17 PM Subject: Re: [pianotech] Kawai UST7 sluggish action >Dale, >Feel free to write with the serial numbers to me or Mark at Kawai. We'll check the >age for you. >dmannino at kawaius.com >mwisner at kawaius.com >Usually action centers are not warranty in Kawai pianos, but there are exceptions. >I would pull one really bad one, see if you can find the cause (burr on pin, plating, >glue on the pin, etc. etc.) then decide how best to deal with it, repin or shrink or just >lubricate. If the bushings just seem tight with no other obvious causes, shrink fitting >my be a simple answer. >Don Mannino >---- erwinspiano at aol.com wrote: >> >> (by the way this is Trix writing for Dale who is out in the field) >> >> Sorry I should have mentioned the sluggishness is in the hammer flange centerpin >bushing. There are three of these pianos at this facility and judging by the age, >they arrived here together as soon as the building was built and open.... >> >> Obviously not under warranty anymore.... >> >> trix for Dale >> >> >> >> >> >> >> -----Original Message----- >> From: John Formsma <formsma at gmail.com> >> To: pianotech at ptg.org >> Sent: Wed, Jan 13, 2010 10:46 am >> Subject: Re: [pianotech] Kawai UST7 sluggish action >> >> >> On Wed, Jan 13, 2010 at 12:29 PM, <erwinspiano at aol.com> wrote: >> >> Has anyone run into a situation where a Kawai USt7 has a sluggish action...if so >were you able to come up with a successful remedy, and/or did you find it was >covered by waranty? The one I am tuning doesn't look that old (s/n 1,470,000)..... >> >> Thanks, >> Dale >> >> >> >> >> >> >> Dale, >> >> >> I don't often find problems with sluggishness in Kawai pianos. But, when it >appears, it's generally in the keys. Usually at the balance hole, but occasionally a >tight key bushing. >> >> >> One other thing to check is the jack stop rail. If it's too close, it can cause >intermittent sluggishness that can be difficult to diagnose. >> >> >> Other than that, I guess everything else is gonna be "the basics." >> >> -- >> JF >> >>
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