Crane operation
11.3 Crane operation with main boom
Operating Manual GMK6300L 3 112 xxx en 11 - 59
xx.xx.xxxx
Lifting and
lowering
You can adjust the sensitivity of the control levers to the operating condi-
tions;
à Setting the characteristic curves for the control levers, p. 11 - 106.
When the hoist drum is turning, you will notice a pulse on the slewing
indicator (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 button (1);
à p. 10 - 16.
You can limit the maximum hoist speed;
à p. 11 - 105.
You can switch on high-speed mode for a higher speed;
à p. 11 - 94.
Switching off the
auxiliary hoist
If the auxiliary hoist is not required, it should be switched off to avoid unin-
tentional use.
• Press the button (1) once.
– The lamp in the button (1) lights up dimly.
– Symbol (2) is red when the auxiliary hoist is switched off.
G
Risk of accidents due to gaps in monitoring!
Operation of the hoist will only be monitored fully if:
– the lifting limit switch is correctly rigged;
à p. 12 - 106,
– the lifting limit switch is not overridden;
à p. 11 - 60,
– the lowering limit switch is correctly set;
à p. 11 - 60.
G
Risk of accidents due to suspended loads!
Never switch off the engine whilst a load is suspended. You must have the
control levers at hand in order to intervene at any time.
Always set down the load before you leave the crane cab.
Raise: • Pull the control lever backwards.
Lowering:
• Push the control lever forwards.
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