Crane operation
11.5 Crane operation with main boom
11 - 92 3 302 709 en Operating manual
GMK5150L
12.01.2018
Telescoping
process
This state should be the starting point for a telescoping process.
Telescoping processes consist of 4 steps.
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, for example, telescopic
section
III (3).
The locking pins (5) extend – the telescoping
cylinder is locked.