Crane operation
11.3 Crane operation with main boom
11 - 66 3 112 993 en Operating manual GMK 6400
12.07.2013
Re-enabling
raising function
If the RCL has switched off the raising function due to an overload, you can
re-enable the raising function with switch (1). The speed will then be
reduced to 50%.
• Press the (1) button up once.
• Use the control lever to raise the main boom.
The status display will flash green.
H
The raising of the main boom will be shut down if the main boom angle is
too great. Then all you can do is set the load down.
Switching off the
derricking gear
If the derricking gear is not required, it should be switched off to avoid
unintentional use.
• Press the (1) button once.
– The lamp in the button (1) will light up dimly.
– Symbol (2) will be red if the derricking gear is switched off.
If the control lever is assigned more than one function, the derricking gear
will also be switched off if you switch on another power unit which is
assigned to the same control lever movement;
à Control lever configuration,
p. 9 - 16.
Derricking gear
warning
If the derricking gear is switched off, the position of the main boom will be
monitored. If the main boom is lowered by more than 3°, then you must
switch on the derricking gear and derrick the main boom to a permissible
position;
à p. 11 - 64.
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