Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 819 en 11 - 99
GMK3060
13.12.2018
3. Unlocking the telescopic section
(A) – The telescoping cylinder extends until the
locking pins (7) can move freely.
(B) – The mechanism (10) retracts the locking
pins (7) – the telescopic section is unlocked.
4. Telescoping, locking and setting down a
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 locking
pins (7) are positioned on the above telescopic
section (1).
The weight of the load is now on the telescopic
sections and not on the telescoping cylinder.
s
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