What about under the pedals, the cushions that provide a positive stop (pedals at rest)? I have had pianos returned after a rebuild project where those were too thick, leading to the problems you mention. Regards, Fred Sturm fssturm at unm.edu http://www.youtube.com/fredsturm On Aug 14, 2010, at 12:20 AM, Paul Milesi, RPT wrote: > Today I re-installed a reconditioned 1970 Steinway D lyre, and found > that > all the rods are too long. > > I believe all the basic parts are "original." I replaced all the > pedal > bushings -- leather, rubber pedal rod bushings with the little leather > inserts, teflon pivot rod bushings, pedal cushions (ravioli) , etc. > Now the > sostenuto piston is protruding up into the keybed 1/8" or maybe > 1/16", the > dampers have a slight ring, and I'm not sure what's going on with > the una > corda because I still have the action torn down, but the trap lever > looks > high. > > The pedal rods are the newer adjustable type, and I didn't expect > this to be > a problem. But I've got the nut turned all the way down as far as > it will > go and they're still too long. There's only one leather disk on > each trap > lever (original I believe, and slightly worn in), and no felt or other > bushing or shim in that area. > > I'm thinking this might be because the system in 1970 was to place a > larger > leather bushing in the bottom of the pedal receiving end, and the > rubber > bushing only went around the outside of the rod, whereas now you've > got the > thickness of the leather + the thickness of the rubber bushing > underneath. > But I thought they made the little leather inserts thinner than the > larger > diameter leather bushings that went in the bottom of the pedal. > > An alternative source for the problem might be thicker ravioli. > > I'm inclined to cut the rods, but don't want to mess up original > equipment > for the long term unless that is the way to go based on lots of > experience > from other reconditioners/rebuilders. Are there subtle differences > in the > length of pedal rods over the years? What about trying to compress > the > ravioli? Any other ideas? > > Am I missing something here? > -- > Paul Milesi, RPT > Staff Piano Technician > Howard University Department of Music > Washington, DC > >
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