Janssen info needed.

[David ilvedson]

List,

It seems to me that since the bolts through are pulling on such 
a small surface area that the way to go would be to use a 1/4", 
2" wide plate running along the back of the piano.  The pressure 
from the bolts would be distributed better...

David Ilvedson, RPT
Pacifica, CA


> Date:          Wed, 27 May 1998 14:45:59 -0400
> From:          Carl Root <rootfamily@erols.com>
> To:            pianotech@ptg.org
> Subject:       Re: Janssen  info needed.
> Reply-to:      pianotech@ptg.org

> Gluing up a separated back is a good excuse for buying a set of clamps. 
> Consider how small the surface area is that is being drawn by carriage
> bolts, especially since the back surface is probably not a particulary
> hard wood.  Use cauls for each clamp, but leave yourself enough room to
> drill and install bolts after the clamps have been drawn up tight.  I
> prefer picking up the clamps on a return service call when I do this job
> in the home.
> 
> Carl
> 
> 
>