Boom extension
4.1 Rigging work checklists
4 - 8 3 112 441 en Lattice extension operating instructions
GMK 4100/4100-L/5095
11.01.2008
17. Sling the swing-away lattice on the auxiliary crane and fasten the guide
rope;
à Slinging points, p. 2 - 5.
18. Remove the folded swing-away lattice;
à Installing / removing the
swing-away lattice for the boom extension
, p. 4 - 11.
19. Sling the rigged sections on the auxiliary crane one after the other and
remove them from the main boom:
– With the 22 m (72 ft) boom extension, section 3
– With the 27 m (89 ft) boom extension, section 4 and section 3;
à Slinging points, p. 2 - 5.
à Installing / removing section 3 and section 4, p. 4 - 9
20. Only applies to the derricking swing-away lattice:
– Move the hydraulic hoses into the main boom operation position;
à p. 3 - 34.
21. Only applies to the derricking swing-away lattice.
Undo the hydraulic connection;
à p. 3 - 35.
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