Jim, I had a click from the rosewood to shank glue joint on a part that did not "feel" loose at all. I pulled the knuckle (with ease as it turned out ) and reglued. All the others were fine. This was new Chinese and not a Renner part but that's my guess Tom Driscoll ----- Original Message ----- From: "Jim Ialeggio" <jim at grandpianosolutions.com> To: <pianotech at ptg.org> Sent: Tuesday, November 20, 2012 6:59 PM Subject: [pianotech] wooden click at letoff? > I'm chasing down a wooden sounding click on F1...its in a relatively > recent Renner action, in good regulation, parts not appreciably worn. > > Confirmed it was coming from either the shank or knuckle as the jack > pushes through letoff. Switched shanks with a neighbor, to confirm that > the sound came from the shank assembly and not the jack/rep assembly or > key. With the swapped shank, the sound went away. > > -Put the original shank back on F1, adjusted the jack proximal and > distal...no change > -Rep lever height ok > -Pinning looks ok. 7 swings on a low bass hammer...a little looser than > I'd like, but not terrible > -Knuckle still has a good radius. Filed it lightly to see if there was a > change, but as I expected, no change > > Was going to try to repin a bit tighter...but I my pinning tool was in the > shop...oops > > Looked at the shank and hammer glue joint. No obvious issues. > > Any ideas??? > > > Jim Ialeggio > > > > -- > Jim Ialeggio jim at grandpianosolutions.com > 978 425-9026 > Shirley Center, MA >
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