Manitowoc Grove GMK6300L Operating Manual page 699

Locking the tele-
scopic section
Operating Manual GMK6300L
Every telescopic section can be locked at the fixed lengths – fixed lengths;
à
p. 11 - 71.
Prerequisites
– Telescoping mechanism on – symbol (3) is
green
– Telescopic section unlocked – symbol (2) is
yellow
– Telescoping cylinder locked – symbol (1) is
grey.
To select lock
•
Telescope to the desired fixed length,
e. g. telescopic section III to 100%.
If necessary, wait until the telescopic section
moves past a non-desired fixed length by
approx. 5%, e.g. at 50% – display (2).
•
Press the button (1) once.
Symbol (1) flashes – Lock telescopic section is
selected.
Locking the telescopic section
•
Move the control lever until locking is
complete.
The locking pins (3) extend at the locking
point.
– Yellow: Intermediate position
– Green: Locked
The telescopic section is set down;
à
p. 11 - 69.
In Locked position:
– Symbol (1) is yellow,
– Symbol (2) is grey.
3 112 xxx en
Crane operation
11.3 Crane operation with main boom
s
11 - 87