[pianotech] shimmed Schimmel

Neeper Mann neeper99 at hotmail.com
Sun Mar 1 13:15:15 PST 2009


Hello!

I was partway into regulating a Schimmel 208T grand that was made in the early 90s. The customer bought it from a lady who claims she purchased it new and had minimal servicing while in her possession.

When I started to bed the front rail.... things got weird..
There is a saw kerf cut into the center of the front rail...  Does ANY
piano manufacturer do this??
There were three thick veneer shims glued to the front rail also. They
are not sanded flush to the rail... they really stick out. I can slip
a section of 150 grit emery cloth under the center of the front rail between two of
the shims when everything is screwed down! This is the area beneath the kerf.

My initial impulse was to remove those shims...  but I packed things
up and will go back next week with a ~long~ straightedge to check for warping...
I want to check the level of the keybed too... it was somewhat messed
up and repaired with some cheap wood filler. It makes me wonder if the keybed is possibly warped.

Anyway...  Has anyone ever seen anything like this on such a newer
piano?  Think I might have a real challenge on my hands once I remove
those shims?  Is there anything you suggest I check prior to digging
in? -  Surprisingly, there is no knocking, even at the raised part of the front rail at the kerf, save  for a section less than an octave long at the upper treble. I am wondering if worse comes to worse, to just put another piece of veneer on the rail at the gap that knocks.... eeeeww!  
What might be the worst-case scenario here?

I have posted pictures of this mess here...

http://neesium.com/shimhack/

Any observations would be greatly appreciated!

Michael Musial RPT


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