CAME G2500N Manuel D'installation page 35

Establishing the limit-switch points
The boom's opening and closing maneuvers must be performed with the inspection hatch closed.
Activate the barrier to check whether the boom is parallel to the road surface when closed and at about 89° when open.
To correct the vertical, open, position, lower the boom, open the inspection hatch
and turn the mechanical opening stop clockwise or counter clockwise, then fasten
the stop by using the counter nut.
Counter nut
Mechanical stop
To correct the horizontal, closed, position, raise the boom, adjust the closing mechanical
stop and fasten it by using the counter nut.
Counter nut
Mechanical closing stop