Crane operation
11.5 Crane operation with main boom
11 - 120 3 302 736 en Operating manual
GMK4090
xx.xx.xxxx
Switching reduction on
• Select and confirm the symbol (2).
– Symbol (1) – grey displayed.
– The warning message (3) disappears.
The slewing speed is reduced automatically.
The reduction is automatically switched on
when you enter the slewing range type
MAX-base.
11.5.10 Possible movement combinations
– The main hoist, telescoping mechanism, derricking gear and slewing gear
can be operated in almost any combination simultaneously. Restrictions
are specified for the respective power units.
– The auxiliary power units – Superstructure lock, tilt crane cab, counter-
weight lifting unit – cannot be operated with the
Telescoping out move-
ment.
Moving the auxiliary power units in combination with other power units
can result in reductions of speed.
– Lattice extension derricking gear
The lattice extension derricking gear cannot be operated in combination
with the
Extending movement.
H
Certain movement combinations can reduce the speed in high-speed mode.
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