Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 819 en 11 - 83
GMK3060
13.12.2018
Lifting and
lowering
You can adjust the sensitivity of the control levers to suit the operating conditions;
à Setting the characteristic curves for the control levers, p. 11 - 133.
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 switch on the high-speed mode for a higher speed;
à p. 11 - 119.
You can adjust the desired engine speed (idling speed) with button (1);
à p. 10 - 9.
s
G
Risk of accidents due to incomplete monitoring!
Operation of the hoist will only be monitored fully if:
– The lifting limit switch is correctly installed;
à p. 12 - 95
– The lifting limit switch is not overridden;
à p. 11 - 88
– The lowering limit switch is correctly set;
à p. 11 - 90.
G
Risk of accident by suspended loads!
Never switch off the engine while 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.
Lifting: Pull the control lever to the rear – symbol (3) is displayed.
Lowering: Push the control lever to the front – symbol (2) is displayed.