Once the Rotor is Properly aligned, all 12 inner holes will have the same space between them when looking directly above it

Carefully insert the Rotor while maintaining this position on the Housing with the pins.

Make sure the Shaft Holder Cam side of the shaft is going in first

Press the second half of the gearbox into place.

Verify that you can manually turn the eccentric shaft in the center and that the rotors smoothly turn inside the housing. Tight printing and misaligned rotors can cause the gearbox to jam.

Clamp the other half of the Housing using M3x25mm Screws and Nylock Nuts

Secure tightly using the 5.5mm Socket Driver to hold the Nuts.