Crane operation
11.3 Crane operation with main boom
Operating manual GMK 6400 3 112 993 en 11 - 103
12.07.2013
Switch off the
slewing gear
If the slewing gear is not required, it should be switched off to avoid unin-
tentional use.
• Press button (1) once.
– The lamp in the button (1) will light up dimly.
– Symbol (2) will be red if the slewing gear is switched off.
– The slewing gear brake is engaged – lamp (3) lights up.
11.3.10 Possible movement combinations
– The main hoist, telescoping mechanism, derricking gear and slewing gear
can be operated in almost any combination simultaneously. Restrictions
are specified for the respective power units.
The telescoping mechanism and derricking gear can only be operated
simultaneously when the control lever assignment is from
Version 1;
à p. 9 - 16.
– The auxiliary power units – tilt crane cab, counterweight lifting unit – can-
not be operated with the
Extending movement.
Moving the auxiliary power units in combination with other power units
can result in reductions of speed.
– Lattice extension derricking gear
The lattice extension derricking gear cannot be operated in combination
with the
Extending movement.
H
Certain movement combinations can reduce the speed in high-speed mode.
S
Risk of damage to the main boom
Brake the slewing movement down to a standstill before you switch off the
slewing gear. The slewing gear brake is automatically engaged when the
slewing gear is switched off.
In this way, you can prevent lateral forces from affecting the main boom
due to long delays or swinging loads.
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