Hi Jim. Valid point, but why then should we not bush all the bushings at the same time so that they are equal? For me the answer to your question only can be answered by observation of the results that can take years. So far it has been 5 years for one piano I service that exhibited this pinning problem with no further issues. Joe Goss RPT Mother Goose Tools imatunr at srvinet.com www.mothergoosetools.com ----- Original Message ----- From: jim ialeggio To: pianotech at ptg.org Sent: Wednesday, April 01, 2009 5:15 AM Subject: [pianotech] graphite and center pins? A current thread mentions repinning as the solution to sluggish or sticking centers which have the tell-tale black spot indicating applied graphite. I don't understand how this would be a long term solution. Yes, the pin has been changed, maybe some felt has been removed with a broach, but the crud is still in the bushing. My interest here regards a long term rather than a triage fix. Jim -- grandpianosolutions.com Shirley, MA (978) 425-9026 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090401/161f7ac4/attachment.html>
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