<html>  <head><style type='text/css'> p { margin: 0px; } </style></head> <body>  I don't know Benny, but this piano came out of the Georgia plant. I also did some filing of some key bottoms and the keys had some scoring and ruffness to them. I probably ended up with about 50 or so punchings removed.   RU/UP <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message from "Benny L. Tucker" <PRECISIONPIANO@ALLTEL.NET>: -------------- > I might be wrong here, but I've never seen more than 1 punching on the > balance rail pins. Each key has 1 punching and the keys are leveled by > sanding the key bottom. This is not my area of expertise, however the > regulators that do this leveling, work right next to my voicing booth. Like > I say, I could be wrong here, but I've personally never seen more than 1 > punching per pin. I know Yamaha's are not perfect, but I can't imagine such > work as you described going out the door. Even setting the dip, the girls > usually don't use more than 3-4 punchings at the most. > > Benny L. Tucker > Yamaha Factory Tuner > Precision Piano Tuning & Repair > Thomaston, Ga. > > > That couldn't have been factory work...? > > David Ilvedson > > ----- Original message ----------------------------------------> > From: <RICHARD.UCCI@ATT.NET> > To: <PIANOTECH@PTG.ORG> > Received: Sat, 16 Oct 2004 13:02:02 +0000 > Subject: m-450 > > Hi List, > > I went back and did the leveling on that Yamaha m-450. I was= > surprised to find as many as ten or more punchings under some= > keys at the balance rail. Set the height at 60mm top of key from= > keybed and all is well. Dip worked out to be about 9.5mm but= > still felt good. > > talk to ya later, > > Rick Ucci/Ucci Piano > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives </BLOCKQUOTE>  </body> </html>