Una-Corda Mystery

Andrew and Rebeca Anderson anrebe@sbcglobal.net
Fri, 26 Aug 2005 19:38:10 -0500


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The left pedal hanging down would suggest a broken "pedal axle' or 
related bushing.  The other possibility that comes to mind is wood 
broken away in the keyframe where the una-chorda lever is supposed to engage.

Close?

Andrew
At 06:31 PM 8/26/2005, you wrote:
>Okay, here is my first (and likely lame) contribution to the daily 
>mystery question.
>
>About 1980 Kawai KG-2S - about 5' 10" - very good to excellent 
>condition. Lady bought it used one year ago (she paid $3,500 for it 
>- perfect satin cherry case - she got a great deal!). During that 
>first year she had a QRS Pianomation player system installed on the 
>piano. We had set up a service appointment for cleaning the 
>interior, tuning and looking at a "loose" pedal.
>
>The left (una-corda) pedal was just hanging down. I crawled under 
>piano to check levers, etc. Everything with the una-corda under the 
>keybed appeared to be functioning just fine. Adjustment appears good 
>(in that, when the pedal travels down, the lever moves sideways in 
>the keybed). However, when you depress the left pedal the action 
>frame did not slide over to the right. The keyframe was resting on 
>the left felted keyframe stop. The action slid in and out easily. It 
>was as if the una-corda lever system was not hooked up to the action frame.
>
>What was the cause of the non-functioning una-corda pedal?
>
>(This is probably too easy - however, it did take me a good 10 or 15 
>minutes to fully figure it out.)
>
>Terry Farrell


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