Yamaha mystery noise

Piannaman@aol.com Piannaman@aol.com
Fri, 21 Nov 2003 09:50:33 EST


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In a message dated 11/20/03 6:01:28 AM Pacific Standard Time, 
algiers_piano@bellsouth.net writes:


>   I have a nagging noise in the action of a two year old C2, somewhere 
> between a click and a rattle,  the quality of teflon bushing noise 
> but repeating a bit. If that makes any sense at all. Or possibly it 
> sounds like a little mini golf pencil in exactly the wrong spot on 
> the key where it can bounce off the capstan but not hit its 
> neighbors. It appears on F#3 and a little on F3 and A3, nowhere else. 
> I have repinned, reglued hammer heads, tightened screws until I'm 
> blue in the face, even checked leg bolt washers, damper and sostenuto 
> screws and key leads. Any ideas no matter how bizarre or obvious 
> would be appreciated.
> -- 
> ----Dave
> 
> 

Dave,

Another possible source would be lyre brace screws, though Yamahas are pretty 
secure in that department.  I've had the phillilps head screws come loose and 
cause a heinous rattle that sounded like the soundboard was disintegrating.

Dave Stahl

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