Rigging work
12.5 Operating the outriggers
Operating manual 3 302 819 en 12 - 47
GMK3060
13.12.2018
12.5.10 Levelling the free-standing truck crane
The suspension is deactivated (locked) if the truck crane is in the Free on wheels
operating position.
The suspension must remain switched off until the truck crane is on outriggers.
+
Switching on the suspension
• Select and confirm the symbol (1) once.
The symbol (2) is green when the suspension is switched on.
Now all wheels are lowered to the ground and are in the right position for the
horizontal alignment
Switching off the suspension
• Select and confirm the symbol (1) once.
The symbol (2) is red when the suspension is switched off.
To secure the truck crane
• Retract the supporting cylinders until the outrigger pads are about 5 to 10 cm
(2 to 4 in) above the ground. Leave the outrigger beams extended.
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.