Crane operation
11.1 Before operating the crane
11 - 16 3 112 xxx en Operating Manual GMK6300L
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Switching on the houselock
The slewing ring (2) will be displayed in the same colour as the displayed
symbol (1) during the entire procedure.
• Press in button (1) at the top until symbol (2)
turns green.
The display will first show symbol (4) in yellow
and when the houselock is switched on, it will
show symbol (2) in green.
If symbol (3) is red/yellow:
• Release button (1).
The lock is blocked and you need to correct
the position of the superstructure as
follows.
• Switch the houselock off – press in the but-
ton (1) at the bottom until the symbol (4)
turns red.
• Switch on the slewing gear and slew the
superstructure a little further (minimally).
• Switch off the slewing gear.
• Press in button (1) at the top until symbol (2)
turns green.
• If symbol (3) is still shown, you must again
correct the position of the superstructure.
S
Risk of damage due to slewing with blocked lock!
Before slewing, make sure the symbol
0 is displayed in red (houselock off).
Otherwise the system will be damaged during slewing.
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