Crane operation
11.5 Crane operation with main boom
11 - 106 3 302 690 en Operating manual
GMK4100L-1
23.11.2017
If removing the load does not cause the lock to be released, you must lock
the telescoping cylinder (
à p. 11 - 106) and then restart unlocking.
Lock telescoping
cylinder
The telescoping cylinder must be locked to a telescopic section so that the
telescopic section can be telescoped.
Prerequisites
– Telescoping mechanism on – symbol (3)
green
– Telescopic section locked – symbol (1) green
– Telescoping cylinder unlocked – symbol (2)
red
Locking
• Move the telescoping cylinder to the desired
locking point, for example, to telescopic
section
1.
Wait until the display:
– shows the desired telescopic section (1)
and
– the symbols (4) are shown.
• Select the symbol (3).
• Confirm the selection – the locking pins (2)
will extend – symbol (2) green.
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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