Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 736 en 11 - 91
GMK4090
xx.xx.xxxx
3. Unlocking the telescopic section
(A) – The telescoping cylinder extends until
the locking pins (7) are clear.
(B) – The mechanism (10) retracts the locking
pins (7) – the telescopic section is unlocked.
Telescoping, locking and setting down the 4th
telescopic section
The telescoping cylinder pushes the telescopic
section to a locking point.
The weight is taken off the mechanism (10).
The locking pins (7) extend into the cutouts (4).
The telescopic section is automatically set
down.
The telescoping cylinder retracts until the lock-
ing pins (7) are positioned on the above tele-
scopic section (1).
The weight of the load is now on the telescopic
sections and not on the telescoping cylinder.
s
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