Rigging work
12.6 Outriggers
Operating manual GMK 6400 3 112 993 en 12 - 55
12.07.2013
12.6.11 Levelling the free-standing truck crane
The suspension is deactivated (locked) if the truck crane is in the Free on
wheels
working position.
The suspension has to remain switched off until the truck crane is on outrig-
gers.
• Set down the load.
• Extend the supporting cylinders until all wheels are just above the
ground.
Levelling the truck crane
• Level the truck crane on outriggers until the lamp (1) is the only one light-
ing up in the measuring range 1°.
Switching on the suspension
• In the driver's cab, open the Level adjustment system submenu – button t
• Press the (2) button once - dot is green.
The symbol (1) is green if the suspension is switched on.
s
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 from overturning when operating individual
supporting 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. The suspension struts would be suddenly
pressed together and damaged, and the truck crane could overturn when
switching on the suspension.
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