Hi Bill, I can get back over to it later this week. I'll try the key dip reduction. Thanks, Rick Ucci/Ucci Piano > At 11:35 PM +0000 12/9/03, richard.ucci@att.net wrote: > >Serviced a brand new "B" today. Found a very pronounced knock at middle "d" > >when played hard. Seems to be the jack knocking on the hammer flange? Does > >not make any noise with hammer shank off. > > Rick, > > That does happen, generally because of excessive dip (or if you > prefer, after-touch). Set a proper dip so that the escapement will be > clearly completed (you can watch this), and see if you develop some > clearance between the jack and the underside of the hammer flange. (I > wouldn't try lowering the hammer line, unless it was clear that this > was out of range ...like, 1.5".) > > Could be the rails are too close together. > > How soon do you get to see the piano again? > > Bill Ballard RPT > NH Chapter, P.T.G. > > "Lady, this piano is what it is, I am what I am, and you are what you are" > ...........From a recurring nightmare. > +++++++++++++++++++++ > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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