Crane operation
11.3 Crane operation with main boom
11 - 58 3 112 993 en Operating manual GMK 6400
12.07.2013
H
The maximum rope speed is continuously decreased automatically from a
degree of utilisation of 80% onwards. Higher speeds are only enabled again
when the degree of utilisation is below 80% and the control lever has been
put in the initial position once.
When the hoist drum is turning, you will notice a pulse on the slewing indi-
cator (1).
You can regulate the speed by moving the control lever and changing the
engine speed with the accelerator.
You can set the desired engine speed (idling speed) with the button (1);
à p. 10 - 12.
You can limit the maximum hoist speed;
à p. 11 - 107.
You can switch on the high-speed mode for a higher speed;
à p. 11 - 96.
Switching off the
main hoist
If you no longer require the main hoist, you should switch it off to avoid
unintentional use.
• Press the (1) button once.
– The lamp in the button (1) will light up dimly.
– Symbol (2) is red when the main hoist is switched off.
Raising:
• Pull the control lever backwards
Lowering:
• Push the control lever forwards
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