Crane operation
11.3 Crane operation with main boom
11 - 64 3 112 993 en Operating manual GMK 6400
12.07.2013
11.3.6 Derricking gear
You can raise and lower the main boom.
Depending on the size of the load and the rigging mode, the RCL will switch
off the lowering process of the boom as soon as the working area specified
in the
Lifting capacity table is left.
To lower the boom out of the working range;
à Lowering the main boom to
a horizontal position
, p. 11 - 67.
H
The derricking gear is not intended for lifting loads. If an overly heavy load
is lifted by derricking, the RCL will switch this process off.
You can have the operating hours of the derricking gear displayed;
à p. 11 - 110.
Switching on the
derricking gear
After the ignition is switched on, all of the power units will be switched off
and the lamps in the corresponding buttons will only light up dimly.
• Press the (1) button once.
– The lamp in button (1) will light up brightly.
– Symbol (2) will be green if the derricking gear is switched on.
If the control lever is assigned more than one function, all other power units
which are assigned the same control lever operation are switched off;
à Control lever configuration, p. 9 - 16.
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