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3.14. LOAD LIMITING DEVICE
The machine is equipped with movements and capacity in the cage limiting devices;
This device avoids the overcoming of nominal capacity and if this would happen, it will
cause the stop of all manoeuvres and the switching on of an acoustic and luminous alarm
on the cage.
To re-start all movements, take off the excess load, wrongly loaded. If this is not pos-
sible, for example because of an entrapment of the cage in the branches of a tree, it’s
necessary to operate using the emergency instruction of the chapter 5.
3.15. CAGE ROTATION
The basket has a rotation movement on the vertical axis. This movements is activated
by a joystick on the control panel (Fig. 3.4 part 4) or by a selector on the cage controls
panel (Fig. 3.5 part 5). For obtaining a complete rotation, keep the jib horizontal to avoid
contacts between the cage and the boom; remember to return to the orthogonal position
to the boom before lowering to rest.
3.16. AUTOMATIC CAGE ORIENTATION
The cage can rotate on the horizontal axe to grant a constant leveling with ideal plane.
This movement is automatic and obtained by an electronic pendulum with a proportio-
nal electrovalve which send the oil from the main circuit to the cage orientation hydrau-
lic motor. The system is managed by a special electronic inclinometer.
INFORMATION
As already mentioned, the cage is assisted by an electronic device which acti-
vates during the boom movements.
To avoid the cage horizontality loss, if there’s no a defeat, it is useful to act the
lever smoothly during the jib manoeuvres. If the cage exceeds 8° of inclination,
all boom movements stop to give to the system the time to level the cage.
INFORMATION
In case the cage inclination exceeds the safety level, all machine movements
stop and the emergency manoeuvres described in chapt. 5 are possible.
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