Jon, If you haven't already, you might also check the contact felt for the bottom of the drop screw. That is also frequently a source of noise in an older action. >I have a customer with 25 yr old 'M'. The knuckles are dense >and make noise when the jack returns. Clarification: do you mean when the jack returns or when the hammer shank/knuckle drops onto the jack? Nit-picking I suppose, but just wanted to be sure. >This has the beloved teflon 'perma-click' action. Boy, I know all about those. We have about 20 or so of them here! Avery _____________________________________ Avery Todd, RPT Moores School of Music University of Houston 713-743-3226 atodd@uh.edu _____________________________________
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