Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 819 en 11 - 113
GMK3060
13.12.2018
Unlocking the tele-
scopic section
Unlocking a telescopic section is required for the telescopic section to be
telescoped.
The telescoping cylinder and the telescopic section cannot be unlocked
simultaneously.
Prerequisites
– Telescoping mechanism on – symbol (3) green
– Telescopic section locked – symbol (1) green
– Telescoping cylinder locked – symbol (2) green
Unlocking
• Select and confirm the symbol (1).
The locking pins (2) retract.
If symbol (2) is not red after approx. 10 seconds,
this means that the locking pins are under load.
To relieve the load, carefully retract and extend a
little.
s
–Yellow: Intermediate position
– Red: unlocked – symbol (3) displayed
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