Manitowoc Grove GMK6300L Operating Manual page 695

Lock telescoping
cylinder
Operating Manual GMK6300L
The telescoping cylinder must be locked to a telescopic section so that the
telescopic section can be telescoped.
Prerequisites
– Telescoping mechanism on – symbol (3)
is green
– Telescopic section locked – symbol (2)
is grey
– Telescoping cylinder unlocked – symbol (1)
is yellow
To select lock
•
Move the telescoping cylinder to the desired
locking point, e. g. to telescopic section III .
Wait until the display (2):
– (A) shows the desired telescopic section or
– (B) shows no telescopic section and the
desired locking point is reached next.
•
Press the button (1) once.
Symbol (1) will flash – Lock telescoping cylin-
der is selected.
Lock the telescoping cylinder
•
Move the control lever until locking is
complete.
The locking pins (3) extend at the locking
point.
– Yellow:
– Green:
In Locked position:
– Symbol (1) is yellow,
– Symbol (2) is grey,
– The locking pins (4) are green.
3 112 xxx en
11.3 Crane operation with main boom
Intermediate position
Locked
Crane operation
s
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