On Mon, Aug 17, 2009 at 6:43 PM, Isaac Sadigursky <irs.pianos at earthlink.net>wrote: > Would "OXIDATION" of the Center pin be correct term? Or is this > another case of 'REVERSED" pinning,when Center Pin is rotating inside the > "Bird's Eye'" and is too tight in the flange felt?? It is a common case in > some piano and damper tray actions...Complete re-pinning procedure is a > must in that case..... Regards.... isaac > > > On Aug 17, 2009, at 3:33 PM, Joseph Garrett wrote: > > >> Bill said: "You may want to repin so you can check the condition of the >> pins. If they're rusty, lube will be a short lived solution." >> >> Bill, >> Usually, IMO, Lubing is simply putting off the inevitable need to re-pin. >> So, in that regard you are correct. However, since center pins are not >> Steel, your idea that a center pin could be "rusty" is very incorrect. They >> may have corrosion, but not rust.<G> >> Regards, >> Joe >> >> >> Joe Garrett, R.P.T. (Oregon) >> Captain, Tool Police >> Squares R I >> >> >> >> > IMHO oxidized or not, lubing center pins isn't in my arsenal, I stretch the spring or treat it with alcohol/water to ease it. Lubes are only temporary. Mike -- I intend to live forever. So far, so good. Steven Wright Michael Magness Magness Piano Service 608-786-4404 www.IFixPianos.com email mike at ifixpianos.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20090817/d5f78d84/attachment-0001.htm>
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