Motorization of a nacelle transport.
The motor is fed with a defined pressure which allows to maintain it stalled. When the vehicle arrives at the level of the operator, this one hang on the nacelle on the vehicle and a simple drive of some kilos is enough to relieve the air motor and to put it in rotation. So, the vehicle does not pull all the weight of the operator and he allows to index the speed of the nacelle in it speed.
Air motor Type NF22424F65.