Mike, Had same problem with a pair (not one, two!) Sohmer grands at a local HS. Original pinblock, as far as I can tell. Previous tech's answer was to grind off tops of drop screws! In your case, a power planer might be cleaner than a grinder for removing pinblock material. Jerry Gravina RPT Babylon, NY At 05:50 PM 09/12/2002 -0500, you wrote: >List, > >Today I was asked to examine a "rebuilt" piano and figure out why it plays >so poorly. Knabe small grand from mid-1920's. It was obvious just >sitting at the kyboard an playing a little, that the damper timing was way >uneven, and drop was way low. Thought the solution would be failry >straightforward. Then I pulled the action, which did not slide out >easily, and saw the pinblock hanging 1/4" below the stretcher, and the >furrows ploughed (plowed?) by the drop screws. OK, now we know why the >last guy didn't regulate the drop. Obviously got to make some room to >raise the drop screws. Shanks are original, so I might gain something by >bolstering knuckles, but probably not enough. I could go in there with a >disk sander and grind some off the bottom of the pinblock, but I'd prefer >not to inflict the noise and mess on the customer's living room. Anyone >else ever faced this situation, and found a neat (i.e. reasonably clean >and quiet) solution? > >thanks > >Mike Spalding, RPT > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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