Regulation process first round

Newly rebuilt piano receiving first round of regulation.

Key height adjustment by inserting or removing paper punchings on balance pins.

Key dip adjustment by inserting or removing paper punchings on front pins.

Adjust Let-off and Drop on jig out side of piano.

Backcheck to hammer alignment. Then backcheck height.

Repetition spring/wippen spring strength adjustment.

Hammer shank traveling, make sure hammers go straight up and down. If bot, shim flange with sticky paper.