Vertical backcheck noise?

[Avery Todd]

Clyde,

Are you sure the catcher shank isn't loose in the hammer butt?

Avery

At 04:34 PM 02/27/03 -0500, you wrote:
>Friends,
>
>I came across a new one today, I think.  1983 Everett school model
>studio piano.  While tuning I would hear a woody-sounding click on
>nearly every note, very consistent, similar to the sound you get if a
>jack tip lost its felt.  Nothing I checked seemed to diminish 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 catcher when
>the key was depressed.  That squelched the noise markedly.  The
>backchecks have only 1/8" or 5/32" of felt, which is not all that
>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 had 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?  Thanks!
>
>Regards,
>Clyde
>
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