Hi , Just for fun do not put in the cheek blocks and move the action out just a little and see if that helps. Dag - gum - it Joe Goss BSMusEd MMusEd RPT imatunr at srvinet.com www.mothergoosetools.com ----- Original Message ----- From: <rsfinley at charter.net> To: <pianotech at ptg.org> Sent: Sunday, February 14, 2010 3:52 PM Subject: [pianotech] More on Yamaha Sticking C6 Key Problem > Here are some more observations on the intermittent problem with the C6 on > my Yamaha G1 Piano. > > When I play the key the first time, the note usually sounds, but if I play > repeatedly and quickly after that, it stops sounding. I have to wait a few > seconds after that for the key to recover, before it will play again. It > seems there is a delay of a few seconds when part of the action is slowly > getting back into the position when the key can be played. I am puzzled > why there is this delay. > > When I take the action out and put it on a table, I cannot reproduce the > sticking key effect for C6, even if I simulate the presence of the string > using a hard book held some distance above the hammer (of course the > hammer will not rebound in the same way as for a string). I can cause the > hammer to move in fast repetition without any blocking effect. The > sticking key effect only occurs when the action is back in the piano. > Although I doubt it, I am wondering if this is a combined effect of the > damper and the action causing this sluggish operation, although the damper > for C6 seems to be working fine. > > When I look at action for C6 (difficult to see everything due to the > proximity of the actions of the other keys, everything appears to be > intact. I haven't removed the whippen assembly for C6 yet to examine it > in detail. Maybe I should do that. > > Could anyone throw more light on this? Thanks for your advice. > > Robert
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