Crane operation
11.1 Before operating the crane
Operating manual 3 302 709 en 11 - 15
GMK5150L
12.01.2018
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
superstructure position.
• Slew to locking point at 0° or 180°.
The display (1) shows positive and negative
values. For an overview;
à p. 11 - 118.
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.
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