Crane operation
10.5 Crane operation with main boom
Operating Instructions GMK5250L 3 302 633 en 10 - 115
27.09.2017
10.5.8 Slewing gear
You can display the operating hours of the slewing gear; Ã p. 10 - 130.
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 a rigging mode has been entered for the working position 0° to the rear, an
RCL shutdown will occur after switching on the slewing gear, and slewing
will be disabled. To acknowledge this shutdown, you must either switch off
the slewing gear or set down the load and enter a rigging mode for the 360°
working range.
s
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 the rigged counter-
weight
, p. 11 - 93.
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