To correct the boom's vertical position:
- lower the boom;
- open the inspection hatch;
- turn the opening mechanical stop clockwise to increase the boom's travel or counter clockwise to reduce it .
Fasten the stop with a counter nut .
To correct the horizontal position:
- raise the boom;
- turn the mechanical closing stop clockwise to increase the boom travel or counter clockwise to reduce it .
Fasten the stop with a counter nut .
Establishing the slow-down points
Before every opening and closing stop, the boom slowsdown. By default, the boom slows-down as much as possible in terms of beginning
slow-down .
To change the slow-down, loosen the screws on the micro-switch housing plate and position it facing outwards (as shown in the drawing)
.