Kimball butt springs

[PAT A RALPH]

Todd & Kim,

I just did one a couple of months ago and used the medium springs throughout
the action.

Ken Gerler (KENNETH.GERLER@prodigy.net

----- Original Message -----
From: Todd & Kim Mapes <FoxMeadow@acninc.net>
To: <pianotech@ptg.org>
Sent: Monday, December 27, 1999 5:42 AM
Subject: Kimball butt springs


> I recently serviced a Kimball vertical, model 4236, serial B43898, which
> belongs to a piano teacher.  She complained about sluggish keys and upon
> closer examination, I discovered that several of the butt springs (Pratt
> & Read action) had broken off.  My question is twofold:
>
> 1.  What would cause the butt springs to break off?  There were a LOT of
> springs broken off, and not necessarily all grouped together, but spread
> throughout.
>
> 2.  Will the Schaff stock springs work as replacements, and if so, which
> strength (medium/heavy) is recommended?  Someone recommended using heavy
> in the bass and medium in the rest.
>
> Thanks,
>
> Todd L. Mapes
> Associate Member
>