Major Grotrian problem

[Farrell]

You say you changed key leads. What did you change? Did you take out the old
and put in new? Why? Did you change the amount of lead in the keys? If you
are not familiar with the concept of up and down weight, on what basis did
you do anything with the key leads?

You need to get a basic book about pianos such as Reblitz and, assuming your
problem with this action is related to key leading, you can re-lead the keys
in the traditional manner (which will at least get you a functioning
action), or pursue Stanwood-type techniques.

If you need to get this work done soon, I would HIGHLY recommend simply
getting the action to a piano technician experienced in this type of work.
Where are you located? You can ship an action anywhere in the world if you
are in some remote location.

Terry Farrell

----- Original Message ----- 
From: "Ajay Mistry" <ajaymistryin@yahoo.co.in>
To: <pianotech@ptg.org>
Sent: Wednesday, May 19, 2004 4:50 AM
Subject: Major Grotrian problem


> Hello list am working on an Grotrian action had
> ordered new complete hammers ie hammer glued to new
> shank fitted with flange also prevoiced by Grotrian
> also I changed the key leads which were made by me
> here in my workshop now I am finding a major problem
> when I fitted the new hammers to the action & play the
> notes bass particularly the key stays depressed &
> hammer in mid air when I lift the key with my hand the
> hammer falls checked the bushings loose enough none of
> the keys are touching each other I think the leads
> have become to heavy how do I rectify this have heard
> of up-weight & down-weight how do I calculate that can
> any one explain the procedure to me & how much should
> there be on this piano.
>
>         Really in lot of trouble please help guys.
>
>                                             Ajay.
>
> =====
> Ajay Mistry
>
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