Crane operation
11.1 Before operating the crane
11 - 14 3 302 736 en Operating manual
GMK4090
xx.xx.xxxx
11.1.7 Locking/unlocking the superstructure
To lock, a pin can extend on the turntable and engage in two locking points
on the carrier.
Locking points The locking points are at 0° and at 180 °C.
• Open the Superstructure lock menu (1) if necessary.
The display (1) will show the current super-
structure position.
• Slew to locking point at 0° or 180°.
The display (1) shows positive and negative
values. For an overview;
à p. 11 - 116.
At the locking point, both arrows (2) are
shown.
In the range of ± 20° around the locking point,
an arrow (3) indicates the slewing direction
that leads to the locking point.