Driving modes
6.4 Main boom, removing/installing
6 - 20 3 112 xxx en Operating Manual GMK6300L
xx.xx.xxxx
6.4.1 CHECKLIST: Removing the main boom
H
This checklist is not a complete operating manual. There are accompanying
instructions, which are indicated by cross-references.
Observe the warnings and safety instructions specified there!
Prerequisites – The auxiliary hoist has been unrigged.
– The hose drum is removed.
– The counterweight is unrigged.
– All lattice extensions have been removed.
– All telescopic sections are fully retracted and locked.
– The hook block has been unreeved and the hoist rope has been reeled on
the drum up to the main hoist.
– The superstructure is slewed to the front.
– The truck crane is supported by an outrigger span of at least 8,70 x 2,71 m
(28.5 x 8.9 ft).
Checklist
1. Raise main boom and
– disconnect the hydraulic/electrical connections;
à p. 6 - 36,
– remove the clamps for the hoses;
à p. 6 - 28.
2. Place the derricking cylinder support on the counterweight platform;
à p. 6 - 30.
3. Place the main boom on the boom rest.
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