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 >
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