>... My questions: What is actually happening to the bushing to cause this >and Short of an action rebuild, Do I repin every center, and if so >what happens when we go back to higher humidity . Thanks for your >responses Tom Driscoll Tom, List, There was a excellent discussion sometime in the last six months concerning what happens to the wood expanding/contracting in relation to the teflon bushing when exposed to high/low humidity situations. Something like that. Does anyone remember the thread title, please? It would probably assist in answering Tom's question. Keith McGavern Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA
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