Manitowoc Grove GMK4100L-1 Operating Manual page 903

Crane's hydraulic
system on/off
Operating manual
GMK4100L-1
If the symbol (1) is red, bring the ignition key in the driver's cab to position 1 –
the symbol turns grey.
– Arrow (1) orange – crane's hydraulic system on
Selecting the transmission modes RM or DM automatically switches on
the crane's hydraulic system. You can now carry out crane movements.
– Arrow (2) grey – crane's hydraulic system off
Selecting the neutral position N switches off the crane's hydraulic system.
You cannot carry out crane movements.
The engine speed for driving is now regulated with the accelerator pedal (1).
•
Select and confirm the symbol (2).
The transmission is in the neutral position –
symbol N (1) is white.
The symbols (3) indicate the current switching
state.
The symbols (4) are active.
3 302 690 en
Driving with a rigged truck crane
13.5 Driving from the crane cab
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