Manitowoc Grove GMK4100L-1 Operating Manual page 706

Crane operation
11.5 Crane operation with main boom
H
Permissible
slewing speed
11 - 118
With the brake pedal function switched on, slewing movements are not
braked automatically. If you let go of the control lever or move it to initial
position, the slewing movement will slowly run down;
ing movement , p. 11 - 119.
Slewing to the left:
Slewing to the right:
You can regulate the speed by moving the control lever and changing the
engine speed with the accelerator.
You can set the desired engine speed (idling speed) with button (1);
à
p. 10 - 9.
The current slewing angle is shown in the Start menu and in the Superstruc-
ture lock menu.
0° means that the superstructure is slewed to the rear.
– Angles in the right semi-circle are displayed as positive values
(0° to +180°).
– Angles in the left semi-circle are displayed as negative values
(0° to -179.9°).
The current speed reduction is displayed in the start menu ;
The maximum permissible slewing speed is limited automatically depend-
ing on the working radius and degree of utilisation of the lifting capacity.
Under certain circumstances, you can switch off this reduction;
à
p. 11 - 121.
You can limit the maximum derricking speed in the Power unit speed menu;
à
p. 11 - 125.
•
Push the control lever to the left.
•
Push the control lever to the right.
3 302 690 en
à
Braking the slew-
à
p. 9 - 19.
Operating manual
GMK4100L-1