Well, you might check the following; remove stack and check for noisy keys if not there check wippen and hammer actions. Keys; balance pin holes balance pin location in button mortise Front rail bushings for noise key leads Backcheck tenon key tops Front rail pins hitting bottom of mortise Action Check capstan location on cushion Pinning of all centers Jack hitting back, front or sides of mortise Wippens hitting each other Center pins working out Wippen spring hitting wood Wippen helper springs being hit by hammer tails Well, even if these are all OK it should reveal itself by this jprocess. Lots of luck. Newton nhunt@jagat.com
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