369 kopeks are equal to 2c [USA} at $86 of oil per barrell.. On Feb 14, 2010, at 7:18 PM, Carlos Ralon wrote: > Isaac; > Your soultions are always correct, but how much are 2 kopeks worth? > Carlos Ralon, RPT > ----- Original Message ----- From: "Isaac Sadigursky" <irs.pianos at earthlink.net > > > To: <pianotech at ptg.org> > Sent: Sunday, February 14, 2010 6:37 PM > Subject: Re: [pianotech] More on Yamaha Sticking C6 Key Problem > > >> 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: >>> 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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