* "Key thumper" - They have their own machine that thumps all the keys for a hundred or more hours equating to a few months intensive use to seat and test all action parts. The intent is to get anything to break that's going to break in the shop not at home.
* Regulation: Phase 1 (12 hours)
- Bed key frame to key bed
- Lubricate key frame guide pins
- Polish capstans
- Set key dip at .390 on all keys
- Regulate end keys of each section completely
- Adjust hammer weight on remaining keys to match samples
- Escapement on remaining keys
- Drop on remaining keys
- Space hammers to string (square and travel as needed)
- Space repetitions to hammer shanks
- Space back checks with bending pliers
- Adjust jack to knuckle
- Adjust back checks
- Repetition springs
- Repetition lever height
- Readjust hammer height to samples
- Readjust hammer line slightly if needed for aftertouch
- Even out aftertouch on sharps with front rail punchings
- Retighten all action screws

Regulation: Phase 2 (8 hours)
- Adjust hammer height on remaining keys
- Escapement on remaining keys
- Drop on remaining keys
- Space hammers to strings
- Check spacing of repetitions to hammer shanks
- Space back checks with bending pliers
- Adjust jack to knuckle
- Adjust back checks
- Repetition springs
- Repetition lever height
- Readjust hammer height
- Reevaluate aftertouch on naturals, adjust slightly if needed
- Even out aftertouch on sharps by adding or removing front rail punchings
- Retighten all action screws
- Readjust back checks to 1-1/4" if geometry permits