oddities puzzler #2

[Clyde Hollinger]

I agree with Tom.  The main action rail has a separation and the upper part
moved heavenward.  I've only seen this once also and fixed it after the previous
technician was stymied.  The client thought I was a genius (I'm not).

Clyde

"Thomas D. Seay, III" wrote:

> Has the action rail separated, delaminated, or split?
>
> >All sorts of new experiences this week. Normally, I don't like puzzlers
> >much, because I trouble shoot with a sort of elimination decision tree,
> >rather than a list of possibilities to check, and I need to have all three
> >hands on something to understand it. This one, however, I thought was
> >unusual enough to show you.
> >
> >It's an older generic console (didn't even look at the name). As I was
> >taking the front off, I plunked on a few keys to get some idea of what I
> >was up against, when I noticed the treble half didn't play. "Oh yea", she
> >said, "The kids have been having trouble up there." So why don't they tell
> >you these things when they schedule the appointment?
> >
> >The bass half worked fine, but from mid treble up, there was progressively
> >more and more lost motion until the hammers wouldn't move at all in the
> >last octave and a half. Keys, keybed, or action specific? Running a finger
> >across the top of the hammer moldings and again across the backchecks
> >indicated that the flanges were intact and the screws were holding them in
> >place on the rail. I lifted wippens by hand and got the same effect as with
> >the keys. Ding! Diagnostics complete, in about half a minute. Having
> >decided what I was looking for, I pulled the action and found what
> >logically had to be the only possible reason for the symptoms, though this
> >is the first time I've seen it... in a vertical.
> >
> >I'm off to the shop now to fix it. Name "it".
> >
> >Ron N
>
> Tom Seay
> School of Music
> The University of Texas at Austin
> mailto:t.seay@mail.utexas.edu