hammer-shank glue joint

[Barbara Richmond]

Hi Bob,

I hate situations like this and it seems like I'm always cleaning up after 
someone else.  The only comment I can give to owners is, "Let's do it 
right."  And then I do it--or not, it's their choice.

Looking for an easy way out, I tried to tighten a hammer/shank joint with
thin CA.  It didn't work--for me, anyway.

Is this a grand or upright?  Don't the loose hammers click?

Barbara Richmond, RPT
near Peoria, Illinois

----- Original Message ----- 
From: "Bob Hull" <hullfam5 at yahoo.com>
To: <pianotech at ptg.org>
Sent: Tuesday, July 24, 2007 12:36 AM
Subject: hammer-shank glue joint


> Today I looked at a piano that has received new
> hammers from another shop because the owner asked me
> to come and evaluate it.  They are disappointed with
> the lack of power that the piano has.
>
> It really needs a quality complete rebuilding job but,
> that's a very unlikely option for this owner.  One of
> the major problems is the very soft hammers.  Another
> is the weak glue joint between the hammer and the
> shank.  There is no glue collar and you cam feel the
> looseness of the joint as you wiggle it.
>
> I thought about squirting the area with thin CA.  I
> don't know if that will really penetrate enough or if
> the hammer needs to come off.  I could also add a
> little glue collar for reinforcement.  This may
> eliminate the wiggle but, would it add the stiffness
> needed on the inside where the two largest surfaces
> connect?
>
> Suggestions?
>
> Bob Hull
>
>
>
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