Renner Logo. World famous piano actions, piano action parts and piano hammers.
Renner USA Logo. World famous piano actions, piano action parts and piano hammers.

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Piano Technical Training Manuals

Selecting & Voicing the Renner Hammer
by Rick Baldassin

Using the Renner Key Bushing Cloth and Key Bushing Leather by Bill Spurlock

The Damper Underlever System
by Christopher & Karen Robinson

Tuning Lever Design & Maintenance
by Keith Bowman

The Counter-Sprung Repetition For Special Situation Touchweight Balancing in Steinway Pianos – by Christopher S. Robinson

The Hammer Boring Jig Instruction Manual
by Dana Mazzaglia

Using the Renner Flange Bushing Cloth
by Bill Spurlock

Preparing the Premium Blue Lite and Universal Style Hammer by Christopher S. Robinson

The Hornbeam Advantage
by Renner USA