Crane operation
11.4 Operation of the rated capacity limiter
11 - 56 3 302 736 en Operating manual
GMK4090
xx.xx.xxxx
– All crane movements which increase the
load moment will be switched off.
– A continuous buzzer tone will sound.
After five seconds, you can switch off the
buzzer tone using button (6) or (7).
– Lamps (4) and (5) light up.
– The display (1) is in the red range.
– The value on display (3) is greater than or
equal to the value on display (2).
Cancelling a shutdown
• Turn off the buzzer tone if necessary.
• Leave the shutdown range by moving the crane according to the follow-
ing table.
H
The crane movements are released when you have left the shutdown area –
lamps (1) and (2) go out.
Switched off crane movements Permitted crane movements
Lift loads Lower loads
Lower the main boom Raising the main boom
1)
Extend the main boom Retracting the main boom
1)
Slewing to the left Slewing to the right
Slewing to the right Slewing to the left
Lower the lattice extension Raise the lattice extension
1)
In some cases, the RCL will also switch off these movements. In this case,
leave the shutdown range through other enabled movements. If this is
not possible, set down the load.
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