Check to see if there is a very slight bow or curve in the pedal rod. If so, switch it for the sostenuto rod. Also make sure the pedal rod guide bushing is lubed and doesn't have a glue spot rubbing the rod. Ed Sutton >----- Original Message ----- >From: <piannaman at aol.com> >To: <pianotech at ptg.org> >Sent: Thursday, December 21, 2006 9:16 AM >Subject: damper mechanism squeaks....argh! > > >Hi All, > >I thought I could solve any damper pedal mechanism squeak, and up until >recently, I've had pretty good luck. Then I met a recent model Hallet-Davis >(Dongbei built, I believe) upright. > >I lubricated and tightened everything I could think of. Here's the list of >things I tightened and lubed: > >Lubed >damper flange centers (protek CLP) >damper springs (teflon powder) >damper lever felt with teflon(two weeks prior) and protek last night >lift rod with protek >all rod tips and linkage w/ special blend > >tightened >all screws on the various rails >pedal rod hinge screws >all pedal brackets and fixture screws >all damper flange screws >all available case screws >In addition, I inserted buckskin pieces in places where case parts were >rubbing and replaced the rubber pieces where the pedal rod inserts into the >lift rod with buckskin pieces > >Noise still there…..argh! It sounds to me like it's the damper lever >felt/lift rod interface. It doesn't happen when the pedal is first being >used, say for 20-30 presses of the pedal. Then gradually, the creak comes >back. > >I don't know what else to do. Did I miss anything? Any ideas? > >Dave Stahl > >Dave Stahl Piano Service >650-224-3560 >dstahlpiano at sbcglobal.net >http://dstahlpiano.net/ >________________________________________________________________________ >Check out the new AOL. Most comprehensive set of free safety and security >tools, free access to millions of high-quality videos from across the web, >free AOL Mail and more. > >
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