Major Grotrian problem

[Ajay Mistry]

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.

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Ajay Mistry

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