Crane operation
11.3 Crane operation with main boom
Operating manual GMK 6400 3 112 993 en 11 - 65
12.07.2013
Raising and
lowering
You can adjust the sensitivity of the control levers to suit the operating con-
ditions;
à Setting the characteristic curves for the control levers, p. 11 - 108.
You can regulate the speed by moving the control lever and changing the
engine speed with the accelerator.
H
The maximum derricking speed will automatically be reduced as the system
length is increased. If you now reduce the working radius (e.g. by retracting
the telescoping), the derricking speed will automatically be increased again.
You can set the desired engine speed (idling speed) with the button (1);
à p. 10 - 12.
You can limit the maximum derricking speed;
à p. 11 - 107.
You can switch on the high-speed mode for a higher speed;
à p. 11 - 96.
s
G
Risk of accident due to unexpected crane movements
If assigned more than one function, check whether the
Derricking control
lever function is switched on before you move the control lever for derrick-
ing.
This prevents accidents due to unexpected crane movements.
Lowering: • Push the control lever to the right – the main boom is
lowered
Raising:
• Push the control lever to the left – the main boom is
raised
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