This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Terry said: "Rebuilding an old (1900) Knabe grand backaction. The darn = flanges are =3D glued and screwed to the rail! I was surprised to find no sandpaper on = =3D the rail. I'll be doing some repining, etc. Regarding the flanges glued = =3D to the rail, what have folks found to be a good procedure to get this = =3D situation back up to snuff? Also, what amount of friction is recommended for the backaction flanges = =3D and the thingee that has the sostenuto activator thingee on it (what are = =3D the proper terms...?). Thanks. Terry, I've found the following to work rather well: While the flanges are = still attached to the rail, centerpunch and drill for the appropriate = flange screws. Then remove the flanges. I prefer to put some moisture, = (just a little), and heat to them. They'll pop off fairly well with a = little coaxing with a chisel. Clean up the rail and add sandpaper strips = w/appropriate holes punched. I like to attach the sandpaper with cold = hide glue as it gives you a sufficient amount of time to get everything = lined up and it doesn't leave lumps/bubbles in the sandpaper. (less = traveling needed, but there will be some.) BTW, the thingee you are wondering about terminology-wise, is called the = Top Flange.<G> I like to use the specs. from the olde Steinway manual. = Without looking, I recall the Top Flange is 1-3 grams and the Lever is = 3-5 grams. Hope that helps. Best Regards, Joe Garrett, R.P.T. Captain, Tool Police Squares R I ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/d0/7e/40/37/attachment.htm ---------------------- multipart/alternative attachment--
This PTG archive page provided courtesy of Moy Piano Service, LLC