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 

- Piano Center Pin Cutters/Nippers 

Products used in these videos: