Manitowoc Grove GMK4100L-1 Operating Manual page 848

Rigging work
12.10 Rigging work on the main boom
Picking up the
hook block
Setting down
the hook block
12 - 102
Depending on the driving mode, the hook block can be placed on a separate
à
Driving modes , p. 6 - 1.
vehicle;
Depending on the driving mode, the hook block must be set down on a
à
separate vehicle;
•
If the respective setting has been made in
the RCL, slew the superstructure and lower
the main boom until the boom head is
directly above the hook block (1).
•
Unreel the hoist rope.
•
Reeve the hoist rope into the hook block (1);
à
Reeving and unreeving the hoist rope ,
p. 12 - 108.
•
Raise the hook block off the separate
vehicle.
Driving modes , p. 6 - 1.
•
With the RCL set accordingly, fully retract
the main boom.
•
Raise the hook block until it is about 1 m
(3.3 ft) below the main boom.
•
Lower the main boom and set the hook
block (1) down on the separate vehicle.
3 302 690 en Operating manual
GMK4100L-1