Soundboard Failure

[gordon stelter]

I get the glue exactly where I want it by drilling
through the rib to the soundboard only, then squirting
in Titebond. Then drill bit,1 size smaller, backwards
in Vise grips is used as a piston to push glue in, and
spread it under ribs. Then, self tapping sheet metal
screw with pan head, same diameter as hole, to pull
all together snug, Remove & dowell later, if looks
important.  
--- Ron Nossaman <RNossaman@cox.net> wrote:
> 
> >I've just had a look at a very small console
> (shortest little jacks
> >i've ever seen). The ribs have seperated from the
> soundboard at the
> >top end of the ribs, causing bad vibrations and
> distortions. I am
> >familiar with rib regluing procedures, but this is
> the worst i've
> >seen. The ribs run vertical, not angled, and at the
> worst point at the
> >top centre of the soundboard, there is a gap of
> 10mm between rib and
> >board.
> 
> Which means, if the ribs are mortised into the
> liner, that the panel is 
> loose from the liner too.
> 
> 
> >Do i try to clamp this up to reglue? Has the
> soundboard warped this
> >much? Am i wasting my time? Is this piano doomed?
> >
> >The piano is about 60 years old and basically not
> worth anything, but
> >if i can fix it, it will make someboby happy.
> Should i have a go?
> >
> >Scott Jackson
> >Jurjens Pianos
> >Wollongong Australia
> 
> It's been a while since I did one of these, but it
> can probably be helped. 
> JCS described the sheet rock screw clamping system,
> which works fine.  I'd 
> recommend turning the piano over on it's top to make
> it easier to get to 
> the repair, and have gravity helping keep the glue
> where you want it along 
> the liner as well as the ribs. It's an easy fix, as
> these things go.
> 
> Go ahead. Make someone happy.
> 
> Ron N
> 


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