Rigging work
12.1 Rigging work checklists for crane operation with the main boom
12 - 2 3 112 993 en Operating manual GMK 6400
12.07.2013
5. Check whether the ground will support the maximum occurring outrig-
ger pressures;
à Determining the required ground bearing area, p. 12 - 9
6. Switch off (lock) the suspension.
The symbol (1) must be red (suspension off);
à p. 5 - 15
7. Support the truck crane with the outrigger span required for the job
according to the
Lifting capacity table and raise until none of the wheels
touches the ground;
à Outriggers, p. 12 - 29
8. Align the truck crane horizontally.
The lamp (1) lights up in the measuring range 1°;
à p. 12 - 50
9. Turn off the engine and remove the hand-held control;
à Starting/turning off the engine with the hand-held control, p. 12 - 23,
à Disconnecting the hand-held control, p. 12 - 22.
G
Danger of overturning if the truck crane is free-standing
When the truck crane is free on wheels, the superstructure may not be
slewed.
For the
free on wheels working position, the truck crane is first supported and
fully rigged. The truck crane is then placed on the wheels.
For this reason, always follow all items in this checklist.
This prevents the truck crane from overturning when slewing.
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