Crane operation
11.1 Before operating the crane
11 - 18 3 302 819 en Operating manual
GMK3060
13.12.2018
11.1.7 Locking/unlocking the turntable
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).
The display (1) shows 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 - 124.
Both arrows (3) and the symbol (2) are displayed
at the locking point – e.g. at 0°.
In the range of ± 20° around the locking point,
an arrow (4) indicates the slewing direction that
leads to the locking point.