Crane operation
11.5 Crane operation with main boom
11 - 112 3 302 819 en Operating manual
GMK3060
13.12.2018
If removing the load does not cause the lock to be released, you must lock the
telescoping cylinder (
à p. 11 - 112) 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, e.g. to telescopic section
I.
Wait until the display:
– shows the desired telescopic section (1)
and
– the symbols (4) are shown.
• Select and confirm the symbol (3).
The locking pins (2) extend.
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.
– Yellow: Intermediate position
– Green: locked – symbol (5) displayed
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