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USER
MANUAL
914NG
U
SE
B.54
7845285-06 03/20
subject to change without notice
MOMENT LIMITER FOR JIB
It constantly detects the pressures in the 1st boom cylinder and in the jib articulaton cylinder.
When an overload condition is reached, the crane movements are blocked according to the figure
below.
Maximum setting pressure reached in the 1
st
boom cylinder
If the crane is not radio controlled, all movements are blocked except retraction of hydraulic
extensions and crane slewing.
Maximum setting pressure reached in the jib articulation cylinder
It could happen that retraction of the extensions of basic crane is not sufficient to reset normal crane
functioning. In this case the jib extensions have to be retracted as indicated in figure.
If the crane is not radio controlled, all movements are blocked except retraction of hydraulic
extensions and crane slewing.
2.boom and jib over the horizontal
2.boom under the horizontal and jib over the horizontal
2.boom over the horizontal and jib under the horizontal
2.boom and jib under the horizontal
Jib over the horizontal
Jib under the horizontal