Crane operation
11.1 Before operating the crane
Operating manual GMK 6400 3 112 993 en 11 - 15
12.07.2013
11.1.7 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 slew-
ing gear.
Switching on the
houselock
• Slew the superstructure to the position in which it is to be locked and then
stop the slewing movement.
• If necessary, open the main menu ö and press the button once.
The
Superstructure lock submenu will open.
Switching off the slewing gear
The slewing gear brake must be engaged
when operating the houselock.
• Press the (1) button once.
The slewing gear will be switched off and the
slewing gear brake engaged.
– Symbol (3) is red
– The lamp (2) lights up
s
S
Risk of damage during slewing
Always switch off the slewing gear before you operate the houselock. The
system will be damaged if the superstructure is slewed during the locking
procedure.
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