At the front right of the structure, slightly unscrew the bolt head screw and move the connection plate up.
Tighten the screw again to secure the position of the connection plate.
Bring one of the tworight doors and gently place it over the wheels located at the bottom-right side of the structure.
Secure the door by moving the connection plate down and tightening the bolt head screw, once the wheel is firmly sitting in the v-slot of the aluminum profile.
While installing the door, pay attention not to damage the cables that are going out of the enclosure.