Manitowoc Grove GMK6300L Operating Manual page 692

Crane operation
11.3 Crane operation with main boom
11 - 80
To select unlock
•
Press the button (1) once.
– If the telescopic section is locked:
Symbol (1) will flash – Unlock telescoping
cylinder is selected.
– If the telescopic section is unlocked:
Symbol (2) will flash – the following is
selected:
1. Locking the telescopic section
2. Unlocking the telescoping cylinder
In the next step, both selections are carried
out one directly after the other.
Unlocking the telescoping cylinder
•
Move the control lever for telescoping.
If required, extend the locking pins (2) first.
The locking pins (3) retract.
– Yellow: Intermediate position
– Red:
In the Unlocked position, symbol (1) will be
yellow.
If the control lever is moved, the telescoping
cylinder will move immediately.
3 112 xxx en
Unlocked
Operating Manual GMK6300L