Crane operation
11.5 Crane operation with main boom
11 - 108 3 302 690 en Operating manual
GMK4100L-1
23.11.2017
If removing the load does not cause unlocking, you must lock the telescopic
section (
à p. 11 - 109) and restart unlocking.
Telescoping the
telescopic section
You can telescope the telescopic section once it is unlocked.
Prerequisites
– Telescoping mechanism on – symbol (3)
green
– Telescoping cylinder locked – symbol (2)
green
– Telescopic section unlocked – symbol (1)
red
Telescoping
If the requirements for telescoping are met,
the symbol (3) flashes.
• Move the control lever in the desired
telescoping direction.
The display (1) shows the current extended
length (telescoping in metres).
The current telescope diagram on the
display (2) will change continually.
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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