Quite possibly a bent center pin rotating in the birds eye. The repining solution would clear that up, bent or not. (Bending the pin is done to center the top of the jack in the rep. lever window, but if the pin is loose and rotating, all bets are off). Andrew Anderson On Feb 14, 2010, at 9:25 PM, David Love wrote: > But he said it does it after one play and then the key needs to rest a > second or two. That doesn't seem quite enough to heat anything up. > > David Love > www.davidlovepianos.com > > >> Hi,Robert! >> I had watched this thread and here are my 2 kopeks: >> I would suspect "Reversed Pinning" situation:The Jack Center Pin >> rotates in the Bird Eye and is too tight in the bushing.. >> Re-pinning will take care of it. >> During repetitious playing the Center Pin heats-up and becomes too >> tight,when it cools-off-things are normal ,again.In that condition >> the >> center pin passes any test.. >> >> When your technician will do re-pinning,do the following; >> Upon removing the Center pin from the Jack,MEASURE the Pin >> 2]Select exactly the SAME SIZE Center pin and if you can push it >> inside the Jacks Bird Eye with your finger nail-it means it's >> rotating >> there..You must go to next 1/2 size larger Center Pin >> 3]Try to push that Original Pin in the Felt Bushing and it >> will ,probably,be TOO TIGHT >> I had found that "Reverse Pinning" in many brand new parts.. >> I hope,I made myself clear on that. >> Good Luck! >> isaac Sadigursky, RPT. >> Los Angeles Chaper.. >> On Feb 14, 2010, at 2:52 PM, <rsfinley at charter.net> wrote: >
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