Crane in overload condition with outer boom and hydraulic jib horizontal
Manoeuvres not allowed
- Exit of the crane extension boom sections (if the overload is created by the
hydraulic jib, it can still operate)
- Exit of the jib extension boom sections (if crane is equipped with)
- Winch lift (if crane is equipped with)
Crane in overload condition with outer boom horizontal and hydraulic jib over
the horizontal line
Manoeuvres not allowed
- Exit of the crane extension boom sections (if the overload is created by the
hydraulic jib, it can still operate)
- Hydraulic jib descent
- Exit of the jib extension boom sections (if crane is equipped with)
- Winch lift (if crane is equipped with)
Crane in overload condition with outer boom over the horizontal line and
hydraulic jib under the horizontal line
Manoeuvres not allowed
- Inner boom lift (only if the overload is created by the hydraulic jib)
- Inner boom descent
- Outer boom lift (only if the overload is created by the hydraulic jib)
- Outer boom descent
- Exit of the crane extension boom sections (if the overload is created by the
hydraulic jib, it can still operate)
- Hydraulic jib lift (if crane is equipped with)
- Exit of the jib extension boom sections (if crane is equipped with)
- Winch lift (if crane is equipped with)
Crane in overload condition with outer boom over the horizontal line and
hydraulic jib horizontal
Manoeuvres not allowed
- Inner boom descent
- Outer boom descent
- Exit of the crane extension boom sections (if the overload is created by the
hydraulic jib, it can still operate)
- Exit of the jib extension boom sections (if crane is equipped with)
- Winch lift (if crane is equipped with)
Crane in overload condition with outer boom and hydraulic jib over the horizontal line
Manoeuvres not allowed
- Inner boom descent
- Outer boom descent
- Exit of the crane extension boom sections (if the overload is created by the
hydraulic jib, it can still operate)
- Hydraulic jib descent (if crane is equipped with)
- Exit of the jib extension boom sections (if crane is equipped with)
- Winch lift (if crane is equipped with)
Note: In case of alarm to be reset on sensors Tl1 and Tl2 (inclinometers on outer
boom and extension boom), not knowing the crane configuration, the block is activated
on manoeuvres both above and under the horizontal line.
(!) ATTENTION (!)
During load handling with the crane and with the crane and hydraulic jib, in vertical
configuration or close, the operator must strictly refer to the loads indicated on the
capacity plates since the limiting device shows to be not particularly sensitive with
vertical lifts.
16.4.1
CONTROLS TO OPERATE
THE CRANE
GR4_5 - EVOLUTION
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