hammer-shank glue joint

[Bob Hull]

Barbara,

The piano with loose hammers is a big grand.  
I have my doubts that I would be satisfied with this
approach and it will still be using the hammers that
are not premium quality.  I need to know that the
joint between these two surfaces is connected solidly
and entirely.  If not, they may do okay for a while
and then later develop problems that bite me.

Bob

--- Barbara Richmond <piano57 at insightbb.com> wrote:

> 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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> 



       
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