Crane operation
11.3 Crane operation with main boom
11 - 96 3 112 xxx en Operating Manual GMK6300L
xx.xx.xxxx
11.3.9 Slewing gear
Maximum permis-
sible slewing
speed
The maximum permissible slewing speed is limited automatically depend-
ing on the working radius and degree of utilisation of the lifting capacity.
The scale of the limitation is specified in the supplied lifting capacity table.
If the symbol (1) lights up in the
Slewing gear submenu, the functions in the
submenu are disabled.
Refer to
à Malfunctions in the slewing gear, p. 14 - 21 for assistance.
The functions of the submenu are not unblocked until the symbol (1) has
gone out.
You can have the operating hours of the slewing gear displayed;
à p. 11 - 109.
Switching on the
slewing gear
After the ignition is switched on, all of the power units will be switched off
and the lamps in the corresponding buttons will light up only dimly.
• Press the button (1) once.
– The lamp in button (1) lights up brightly.
– Symbol (2) is green if the slewing gear is switched on.
– The slewing gear brake will be released – lamp (3) will go out.
H
If an RCL code has been entered for the working position 0° to the rear or
Free-on-wheels, an RCL shutdown will occur after switching on the slewing
gear, and slewing will be disabled. To acknowledge the shutdown, you
must either switch off the slewing gear or set down the load and enter an
RCL code for the 360° working range.
G
Danger of overturning when slewing with a rigged counterweight!
Always check before slewing whether slewing is permitted in the truck
crane's current rigging mode (counterweight, outrigger span, working
radius).
Correct the rigging mode if necessary;
à Slewing with rigged counterweight,
p. 12 - 83.
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