Manitowoc Grove GMK 5250L Operating Instructions Manual page 654

Crane operation
10.5 Crane operation with main boom
Manual
telescoping
H
H
Checking the
initial position
10 - 100
To telescope manually, you must initiate all locking and unlocking proc-
esses. The locking and unlocking processes are carried out automatically.
The following sections describe the operating procedures
– Checking the initial position,
– Unlock the telescoping cylinder;
– Move the telescoping cylinder (without telescopic section);
à
p. 10 - 104,
– Lock the telescoping cylinder;
– Unlock telescopic section;
– Telescope the telescopic section;
– Lock the telescopic section;
The operating order depends on the current initial position. For an overview
of a telescoping process example;
The lengths given in the following illustrations are purely sample values,
and may differ from the current display.
Before telescoping, you must check the following statuses:
– the current telescoping,
– the position of the telescoping cylinder,
– the position of the locking pins.
•
If necessary, open the Menu group overview menu and press the button (1)
or (2) once.
•
Open the Manual telescoping menu (1).
à
p. 10 - 102,
à
p. 10 - 105,
à
p. 10 - 106,
à
p. 10 - 107,
à
p. 10 - 108.
à
p. 10 - 90.
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