Be sure to sell them a string cover so this doesn't happen again! Wally ----------------------------------------------- A FINE TUNE - Piano Tuning & Repairs Wallace T. Scherer, piano technician, music educator Serving professional and amateur musicians since 1979 5020 Canal Drive, Lake Worth, Florida, 33463-8014 Telephone: 561-432-4121 Web page: http://aftune.angelfire.com ------------------------------------------------ FREE TICKETS: http://aftune.angelfire.com/freetics.html --- On Sat, 1/28/12, Ron Koval <drwoodwind at hotmail.com> wrote: > From: Ron Koval <drwoodwind at hotmail.com> > Subject: [pianotech] Kawai puzzler > To: pianotech at ptg.org > Date: Saturday, January 28, 2012, 12:15 PM > > Some detective work for this Saturday morning: > Piano - Kawai NS-20 - tall upright with one of those split > lid fold back tops. > > Complaint - some damper ringing randomly.... Owner > couldn't replicate the problem earlier this month during > the regular tuning visit, so I asked if theycould find out > what note(s), during what pieces. > Went back today after I was notified only C4 happened > sometimes... > So - noticed an old coffee spill leaked between the split > top down onto the muffler rail and then farther down... > right at C4. Piano w/plenty of plastic parts. > Took out the action, still couldn't make the damper hang... > Reversed it, gently pressing on dampers - C4 felt > "different" - harder to push. > Turns out the spring was glued to the damper lever by the > spill. Along with a mess on the spoon. > Cleaned, lubed - everything seems fine, but for the life of > me, I can't come up with a reason why a constrained spring > would make the damper hang up and ring??? > Hmmm.. > Ron Kovalchicagoland > www.ronkoval.com > > >
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