clicking Yamaha C6

[jolly roger]

Hi Marcel,
                It's a very common problem, and often over looked. The bump
on the back of the key is annoying to the pianist, but they are at a lost
to describe whats bugging them.
This item should be on every one's standard check list
Roger

At 06:43 PM 2/1/01 -0500, you wrote:
>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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>