clicking Yamaha C6

[Marcel Carey]

This problem is usually caused by the capstan (loud pedal stop) being
misadjusted. There is a capstan below the keybed that is supposed to stop
the pedal. The leather on the lever usually gets crunched after playing a
lot and the capstan does have to be regulated. Otherwise, you will find that
the pianist will use the pedal to push up on the damper lever stop rail and
in a few weeks, the problem will reoccur.
The Yamaha way to regulate the capstan is to fully depress the loud pedal
and visually inspect damper movement by pulling on them or playing sharps
fff. There should be 1 or 2 mm movement.

Marcel
Marcel Carey, accordeur technicien
(819) 564-0447
mcpiano@globetrotter.net
----- Message d'origine -----
De : "Ron Koval" <drwoodwind@hotmail.com>
À : <pianotech@ptg.org>
Envoyé : 2001-février-01 19:44
Objet : clicking Yamaha C6


> Hi everyone!
>
> Today worked on a C6.  I noticed some faint clicking on the downstroke
> mostly in the low register.  I wondered if I was going to find some loose
> underlever leads, (I haven't made those cool pliers yet) but it turned out
> that the upstop rail was set just high enough to let some underlevers
'tick'
> against the sostenuto rail with firm test blows.
>
> something to watch for
>
> Ron Koval
>
> Chicagoland
>
>
>
>
>
> .
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