Crane operation
11.3 Crane operation with main boom
Operating Manual GMK6300L 3 112 xxx en 11 - 55
xx.xx.xxxx
Switching on the
main hoist
After the ignition is switched on, all of the power units will be switched off
and the lamps in the corresponding buttons will light up only dimly.
• Check whether the auxiliary hoist is switched off and therefore secured
against unintentional operation.
– The lamp in button (1) should light up only dimly.
– Symbol (2) must be red.
• Press the button (1) once.
– The lamp in button (1) lights up brightly.
– Symbol (2) is green when the main hoist is switched on.
• On the RCL, check whether the lamp I is on.
If lamp
I flashes, switch over the display; Ã p. 11 - 33.
• Check that the current reeving of the main hoist is displayed, e.g. 10.
Correct the reeving if necessary;
à p. 11 - 29.
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.
s
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 installed;
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.
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