click noise on action shift on on Estonia--again

[Mark Ultsch]

I wish I could say that I don't remember the problem.  The noise isn't
there with the cheek block removed.

Mark

----- Original Message ----- 
From: "David Ilvedson" <ilvey@sbcglobal.net>
To: <pianotech@ptg.org>
Sent: Friday, August 06, 2004 12:50 AM
Subject: RE: click noise on action shift on on Estonia--again


> I can't remember this problem but does it happen when the cheek
block is out?
>
> David I.
>
>
>
> ----- Original message ---------------------------------------->
> From: Mark Ultsch <multsch@jvlnet.com>
> To: pianotech <pianotech@ptg.org>
> Received: Thu, 5 Aug 2004 23:42:52 -0500
> Subject: click noise on action shift on on Estonia--again
>
> >Before the National convention I posed a problem with a clicking
noise
> >which seems to come from the bass cheek block when the action is
> >shifting.  There doesn't seem to be any more clearance between the
> >action guide pin and the guide plate than on other pianos (that's a
> >quantitative analysis--isn't it?).
>
> >Thanks for your help on this; but the problem persists.
>
> >I've semi-rebedded the keyframe, lubed everying this reduced most
of
> >the fore-aft lashing of the keyframe.  While shifting, it now moves
> >less than 1/16" fore-aft without being guided.  Is this considered
an
> >acceptable amount????
>
> >I screwed in the screws at the dags at the rear of the action,
checked
> >springs, guides, pins to see that they are solidly mounted, checked
> >clearance at the top of the shift lever.
>
> >As suggested, next I'm considering adding brass tubing to the guide
> >pins (+.008" to +.016" Dia); but in a way, that seems to be a bit
of a
> >kludge for a new piano (and I'm concerned that the customer often
> >thinks the same way I do).  Comments?
>
> >Thanks once again for enduring the verbosity.
>
> >Mark Ultsch
> >Madison
>
>
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>
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