<HTML>In a message dated 2/27/03 9:22:42 PM Central Standard= Time, dahechler@charter.net writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT= : 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">>>>I came across a new= one today, I think.  1983 Everett school model >>>studio piano.  While tuning I would hear a woody-sounding c= lick on >>>nearly every note, very consistent, similar to the sound you get= if a >>>jack tip lost its felt.  Nothing I checked seemed to dimini= sh the sound >>>until I took a length of 1.0mm center pin bushing cloth and held= it >>>where it would get sandwiched between the backcheck and the catc= her when >>>the key was depressed.  That squelched the noise markedly.&= nbsp; The >>>backchecks have only 1/8" or 5/32" of felt, which is not all tha= t >>>unusual, I guess, but it seemed pretty hard to me. >>> >>>So I think what I need to do is replace all the backchecks, but = because >>>I've never run into this before, I'm asking if anyone has ever h= ad to do >>>this on a piano only twenty years old.  Is this indeed the = problem, or >>>does it just *appear* to be when it's actually something else?&n= bsp; Thanks! >>> >>>Regards, >>>Clyde >>>      >>> </BLOCKQUOTE> Hi, I'll list 4 things that might have been overlooked that I've encountered on = vertical pianos that may haven't been mentioned yet. Some very obvious (don'= t mean to insult your intelligence:)) 1. Action screws loose 2. Screws to let-off rail posts are loose 3. Let-off posts in the action frame rail are loose 4. Backcheck wires are hitting let-off rail I've been servicing school pianos for over 20 years and have yet to encounte= r the problem you describe, however this is always a first. Joel Swafford</HTML>