Crane operation
11.3 Crane operation with main boom
Operating manual GMK 6400 3 112 993 en 11 - 83
12.07.2013
If symbol (1) is still flashing after approx.
10 seconds, this means that the locking pins
are under load.
• Release the control lever.
The display (2) shows which movement you
need to carry out to take the load off:
If removing the load does not cause the lock to be released, you must lock
the telescoping cylinder (
à p. 11 - 85) and then restart unlocking.
s
–A: Retracting
–B: Extending
S
Risk of damage to the boom system
If extending and retracting several times does not lead to the lock being
released, you must not telescope any further against the stop.
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