Crane operation
10.5 Crane operation with main boom
Operating Instructions GMK5250L 3 302 633 en 10 - 91
27.09.2017
1. Unlocking the telescoping cylinder
The locking pins (5) retract – the telescoping
cylinder is unlocked.
2. Moving and locking the telescoping
cylinder
The telescoping cylinder moves into the sec-
tion to be telescoped, e.g. telescopic section
III
(3).
The locking pins (5) extend – the telescoping
cylinder is locked.
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.
s