[pianotech] sustain pedal problem

Richard richard.ucci at att.net
Tue Aug 4 05:40:40 MDT 2009


Had same problem, I repositioned the spring to a better spot and all  
seems well.

Sent from my iPhone

On Aug 3, 2009, at 5:29 PM, Tom Sivak <tvaktvak at sbcglobal.net> wrote:

> List
>
> I'm sure many of you have dealt with this problem, on Wurlitzers and  
> other spinets, and I seek your advice.
>
> The problem: the sustain pedal does not lift the dampers due to the  
> trap lever not pivoting very well.  The trap lever on this piano  
> pivots on a "C" shaped spring, which is anchored to the floor of the  
> piano and to the lever.   In a perfect world, it would rock back and  
> forth on this spring, the pedal pulling it down on one end, and the  
> other end going up to raise the damper lift rod.
>
> However, the lever moves laterally when the pedal is depressed, and  
> there is very little damper lift.
>
> I've seen loose anchoring screws cause the problem, and have  
> tightened or shimmed the holes and tightened them.    But the screws  
> are tight on this one.  It just seems to lean to the side instead of  
> rock.
>
> Any suggestions on a fix?  New spring, maybe?
>
> Tom Sivak
> Chicago
>
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