Rigging work
12.8 Outrigger operation
12 - 64 3 302 709 en Operating manual
GMK5150L
12.01.2018
12.8.10 Levelling the free-standing truck crane
H
This section describes the levelling with the outrigger. You can level the
truck crane using the axle raising;
à p. 12 - 66.
The suspension is deactivated (locked) if the truck crane is in the
Free on
wheels
working position.
The suspension must remain switched off until the truck crane is on
outriggers.
• Set down the load.
• Extend the supporting cylinders until all wheels are just above the
ground.
Levelling the truck crane
• Level the truck crane with the outriggers until only lamp (1) is illuminated
in the measuring range 1°.
G
Danger of overturning if the supporting cylinders are operated unevenly
Extend or retract the supporting cylinders as evenly as possible.
This prevents the truck crane overturning while retracting individual
outrigger cylinders.
G
Danger of overturning when switching on the suspension
You may under no circumstances switch on the suspension as long as the
rigged truck crane is on wheels. Switching on the suspension would cause
the suspension struts to be suddenly collapsed and damaged, and the truck
crane could overturn.
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