Key Cover Problem

Alan R. Barnard tune4u at earthlink.net
Mon Jan 15 17:55:35 MST 2007


Joe, I can't find the spring in any of the Steinway schematics I have. I got a spring from Schaff but don't know how it is installed (where to put it in the piano, exactly). Would you enlighten me (and anyone lurking on the list) about this, please.

Alan Barnard
Salem, MO
Joshua 24:15



----- Original message ----------------------------------------
From: "Joseph Garrett" <joegarrett at earthlink.net>
To: pianotech <pianotech at ptg.org>
Received: 11/29/2006 1:35:23 AM
Subject: Re: Key Cover Problem


>Alan asked: "I have a music teacher customer with a Yamaha grand that has a
>poorly counter-balanced (or some problem) fallboard. It has made several
>credible attempts to chop hands off young students.
> 
>It appears to have never had any sort of close-retarding mechanism, let
>alone a Soft-Close device.
> 
>Tried Googling up a solution, 'cause I know it's been on the list, but I
>got endless chains of stuff and no answers (and no hits when I added
>"site:www.ptg.org" for some reason.)
> 
>Someone help me out here, please. What's a good fix?
> 
>Alan,
>I'd install a  Steinway spring. In case you don't know what that is, it's a
>spring about 3-4" long w/a very minor spring bend. It is installed IN the
>cavity case, in the arc of the travel of the back of the Fallboard. As the
>fallboard is opened the spring, (with it's tapered curve), the resistance
>is increased. If it is installed correctly, when the fall board is in it's
>full open position the back of the fallboard will have JUST passed the top
>of the spring curve. To close the fallboard, it will take quite a bit of
>umph to get the fall board to start closing. Difficult to explain, but a
>simple installation. Just looked it up in the Schaff catalogue. It's Number
>960 on page 124.
>Regards,


>Joseph Garrett, R.P.T.
>Captain, Tool Police
>Squares R I




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