Manitowoc Grove GMK6300L Operating Manual page 696

Crane operation
11.3 Crane operation with main boom
Unlocking the
telescopic section
11 - 84
Unlocking a telescopic section is required for the telescopic section to be
telescoped.
The telescoping cylinder and the telescopic section cannot be unlocked
simultaneously.
Prerequisites
– Telescoping mechanism on – symbol (2)
is green
– Telescopic section locked – symbol (1)
is grey
To select unlock
•
Press the button (1) once.
– If the telescoping cylinder is locked:
Symbol (1) will flash – Unlock telescopic
section is selected.
– If the telescoping cylinder is unlocked:
Symbol (2) will flash – the following is
selected:
1. Lock the telescoping cylinder
2. Unlocking the telescopic section
In the next step, both selections are carried
out one directly after the other.
Unlocking the telescopic section
•
Move the control lever for telescoping.
If required, extend the locking pins (3) first.
The locking pins (2) retract.
– Yellow:
– Red:
In the Unlocked position, symbol (1) will be
yellow.
If the control lever is moved, the telescopic
section will immediately be telescoped.
3 112 xxx en
Intermediate position
Unlocked
Operating Manual GMK6300L