Crane operation
11.1 Before operating the crane
Operating manual 3 302 819 en 11 - 21
GMK3060
13.12.2018
Switching on the houselock
• Select the symbol (5).
• Press the button until the symbol (4) is
displayed – Houselock switched on.
The display first shows the symbol (1), then (2)
and then shows the symbol (4) when the house-
lock is switched on.
If the symbol (3) is displayed:
• Let go of the button.
The lock is blocked and you need to correct the
position of the superstructure as follows.
• Select the symbol (6).
• Press the button until the symbol (1) is
displayed – Houselock switched off.
• Apply the slewing gear brake.
• Switch on the slewing gear and slew the
superstructure a little further (minimally).
• Switch off the slewing gear.
• Select the symbol (5).
• Press the button until the symbol (4) is
displayed – Houselock switched on.
• If symbol (3) is still shown, you must again
correct the position of the superstructure.
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Risk of damage due to slewing with blocked lock!
Before slewing ensure that the houselock is switched off. Otherwise the system
will be damaged during slewing.