All functions of the carousel and loading arm, is controlled from the operator’s cabin, installed on the loading arm support. Normally the loading arm is hinged at the platform for the caterpillar, and moved sideways on the loading arm support, by a rope winch or a toothed rack and pinion. The end of the arm is hydraulically operated sideways and up/ down.

For the power cable carousels the loading arm is supported by a column, installed inside the slewing bearing in centre of the carousel.

On the umbilical carousel roller windows are supplied along the top of the arm.

Top rollers can be turned 90 ° sideways to open the roller windows to lift out the umbilical.