| 1. The depth of the touch is checked for each key individually. Differences are adjusted by putting paper washers underneath the touch baizes. |
2. The height of the keys is adjusted by putting paper washers underneath the balance pins. This process is repeated 3 times before the instrument leaves the factory. |
3. The many parts of an action have to be carefully adjusted to function with precision It needs a true eye and skilled hands to achieve this. |
