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

Key Measuring Device KMD Manual
Patent Pending

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

Using the Renner Flange Bushing Cloth
by Bill Spurlock

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

Tuning Lever Design & Maintenance
by Keith Bowman