Crane operation
11.1 Before operating the crane
11 - 20 3 302 819 en Operating manual
GMK3060
13.12.2018
11.1.8 Switching the houselock on/off
If the truck crane is equipped with a houselock, the turntable can be locked in the
entire slewing range. For locking, a pin extends and blocks the slewing gear.
Switching on the
houselock
• Slew the superstructure to the position in which it is to be locked and then stop
the slewing movement.
• Open the Superstructure lock menu (1).
Switching off the slewing gear
The slewing gear brake must be engaged when
operating the houselock.
• Press the button (1) once.
The slewing gear will be switched off and the
slewing gear brake applied.
–Symbol (2) is red.
–The lamp (3) lights up.
S
Risk of damage during slewing!
Always switch off the slewing gear before you operate the houselock. The sys-
tem will be damaged if the superstructure is slewed during the locking procedure.
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