Fixing a Sticking Jack
One of the most common causes of a sticking key is having a jack that won't return under the hammer butt. This video goes through the steps to diagnose and how to fix the problem of a jack that won't return properly. Here is a list of the parts and tools used for this repair:
Parts and Supplies Needed:
- Gram Tension Gauge
- Center Pin Extracting/Repinning Tool
- Micrometer
- Piano Center Pins or Center Pin Box with Pins
- Flange Bushing Broach Kit
- Protek CLP
Products used in these videos:
