bridge on model 0

[resife]

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Hamburg 1960's and definately not hide glue

David Love <davidlovepianos@earthlink.net> wrote:I may have missed the beginning of this thread, is this a NY model O with
original bridge? If so, it is probably glued with hide glue and you should
be able to remove it with acetic acid solution, or vinegar applied
sparingly to the seam and working the joint slowly with a thin knife. If
not, you could always cut the bridge off (take the screws out first) with a
flat pull saw blade and then chisel the remainder off down to the board
with a very sharp crank neck paring chisel. Depending on how close you cut
the bridge to the board, you could plane it down to get a nice flat joint
to reglue to the board (you would have to recap as well). Or you could
remake it, or, you could send it to Pianotek who performs that particular
service. Take measurements of the bridge height before you cut it off so
they can duplicate it. Or have them duplicate and put on a new cap. When
you get it back you can and set the bearing, pin it,, cut the notches, or
bevel, yourself. 

David Love
davidlovepianos@earthlink.net


> [Original Message]
> From: Jonno Clarke 
> To: 

> Date: 8/7/2003 8:45:59 PM
> Subject: bridge on model 0
>
> There is nothing wrong with the pinblock or the soundboard but the whole 
> bangshoot has been smothered with gunk at the factory, infact on the 
> surrounds of the bass bridge underneath, you can feel the dried "drops"
of 
> gunk. I start to wonder if the buzzes are not caused by some of this
stuff 
> having perhaps lifted a bit over the years, the quality ! of this piano
is 
> really rough.
>
> The bridge has no dowels holding it, just the four screws through belly 
> buttons from underneath, with those out there is quite a bit of movement
and 
> creaking etc. I have run a knife around the edges to "break" the seal and 
> have got some separation but I am afraid that some of the soundboard may 
> come off attached to the bridge ! As I said before being a modern piano
they 
> have not used hide glue but some other stuff - what ? - so I don't know
what 
> to disolve it with or even if it will disolve.
>
> Before coming this far I have in the past tried & tested the bridge 
> pins,strings/ checked the frame bolts/hinges/ also where the soundboard 
> meets the cabinet - this soundboard has lots of flex - far more than 
> "normal" ( does that exist?). In any event I have now come this far so
I'm 
> stuck with the problem. There seemed little point in going to all the 
> trouble in taking out the frame and putting it back without actually
getting 
> at what seems to be the problem - in other words the bridge - not so ?
>
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