Vertical backcheck noise?

[gordon stelter]

Steam the bachchecks? Are the wires loose? "Woolite"?
    Thump

--- Clyde Hollinger <cedel@supernet.com> 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
> 
> _______________________________________________
> pianotech list info:
https://www.moypiano.com/resources/#archives


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