[pianotech] Corrected diagnosis

John Formsma formsma at gmail.com
Mon Apr 4 20:31:24 MDT 2011


On Mon, Apr 4, 2011 at 9:08 PM, Arlie Rauch <adarpub at midrivers.com> wrote:

> Having a bit of time, I revisited the Baldwin SF grand that had the squeaky
> pedal.  Alas, the rubber bushing was not the culprit.  The squeak is down in
> the box through which the pedals pass ...
>
> Anyone know how those pedals are supposed to come apart without wrecking
> anything?  What will I find inside?  Perhaps the pin through the pedals
> extends into the dowels?  Does the pin turn in felt, or in something else?
>  The secretary at the church says the pedal has been squeaking a long time,
> but they usually play so loud that no one hears it.
>
> Arlie Rauch
> Glendive, MT


Pull harder?

Haven't yet seen the pedal configuration in a Baldwin SF. Other pianos with
dowels are like this:

Pin goes through the pedal. Pin goes into the two dowels. The two dowels
come out when you pull on the pedal. And, yes, they are bushed with felt.
The squeaking is most likely caused by worn felt (pin rubbing on glue or
bare wood). Rebush both dowels, lube, and reassemble.

-- 
John Formsma, RPT
Blue Mountain, MS
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