Could be plating as John suggests I suppose.... I must admit I checked in late on this one... could you refresh me on the piano type, age, action type ? Cheers RicB kpiano wrote: >>Black stuff in centerpin bushings ??? sounds like your typical graphite >>to me. >> >>RicB >> >> >> > >That's what I thought but the way the rest of the piano is, I wondered. When I pulled some of >the flanges there was paper on both sides of the flanges. sometimes equal amounts. The guy >that traveled the shanks the second time didn't do any better job than the first guy. > >While I was reaming the bushings with my new set from Joe Goss, they were making a squeal >sound. I didn't get out my accutuner so I can't tell you what pitch it was. Just on a slow push >pull. Does Joe harmonically tune his reamers? Old damper heads from an upright make a good >set of handles for them. > >Keith Roberts >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > > >
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