Hi Ed, If a sudden change, you may have a screw loose,<G> or mice have selectively eaten a felt or leather punching/bushing used to take up slack Joe Goss imatunr@srvinet.com www.mothergoosetools.com ----- Original Message ----- From: "Avery Todd" <atodd@UH.EDU> To: <caut@ptg.org> Sent: Monday, September 17, 2001 8:11 AM Subject: Re: Damper Lift Problem > Ed, > > Thanks for the reply but my whole point is that the lift has changed. > Suddenly, it seem like. It's been fine until just recently. > > Avery > > >Avery writes: > ><<I did all the usual stuff. I took up the excess play but that > >made the arm under the keybed so high that there was not enough > >space before it hit the felt stop.<< > > > > You may need a longer pitman... > > > >>>The only thing left is for the damper underlevers to > >be too high off the tray. Which is exactly what I finally figured > >out is the problem. Now, the lift with the keys is way too late, > >which would account for the problem of the strings not getting > >high enough off the strings. But it's the underlever position, > >not the key end felt.>> > > > > The underlevers have to be set so that the key contact is at the proper > >time, (usually hammer is midway to string), and on the Steinways, make sure > >that the tray adjustment is close when you do this! At this point you will > >be able to tell is there is enough trapwork travel to lift the hammers via > >the tray to the height that the sharps lift them. The upstop rail will act > >as a fulcrum if there isn't enough free-play between it and the underlevers > >when both the key AND the pedal are depressed. > > Don't be afraid to add another felt pad to the tray, (which effectively > >lengthens the pitman), or to cut the block of felt that stops the trapwork > >lever's upward motion, but start with the underlevers set to the key end felt > >with minimal lost motion from the tray. > >Good luck, > >Ed Foote
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