Step-By-Step instruction of how to regulate a grand piano action.

1. Bedding
2. Key Height
3. Dip
4. Hammer Travel
5. Hammer Distance
6. Repetition Lever
7. Knuckle Alignment
8. Drop
9. Letoff
10. Backcheck
11. Aftertouch
12. Dampers

"Quick Fix"
1. Hammer Distance
2. Repetition Lever
3. Drop
4. Letoff
5. Aftertouch

Link to letoff rack measurements:

https://www.dropbox.com/sh/ro22416m1n...