Manitowoc Grove GMK 5220 Instruction Manual page 162

Boom extension
4.3 Checklists for rigging work
4 - 10
6. Reeve out hoist rope from the hook block.
7. Reel hoist rope up to the main boom head;
hoist rope , p. 4 - 27.
8. Remove anemometer;
9. In the case of the the hydraulically derricked lattice extension, discon-
nect the hydraulic connection;
à
On the 29 m (95 ft) boom extension , p. 4 - 18,
à
On the 37 m (121 ft) boom extension , p. 4 - 20.
10. Disconnect the electrical connections;
à
On the 29 m (95 ft) boom extension , p. 4 - 22,
à
On the 37 m (121 ft) boom extension , p. 4 - 24.
11. Fold up the deflection sheaves on section1;
à
Folding deflection sheave out/in , p. 3 - 77.
à
Removing the anemometer , p. 3 - 88.
3 112 319 en
à
Positioning/removing the
Lattice extension operating instructions
GMK 5220