Rigging work
12.3 Rigging work after driving with a trailer
Operating Manual GMK6300L 3 112 xxx en 12 - 17
xx.xx.xxxx
12.3 Rigging work after driving with a trailer
If the main boom is resting on a trailer (dolly) whilst the truck crane is being
driven, you must perform the following before working with the crane:
– switch off the slewing gear freewheel;
à p. 12 - 18,
– switch off the boom floating position;
à p. 12 - 17,
– if necessary switch off the boom pre-tensioning;
à p. 12 - 19.
12.3.1 Switching off the boom floating position
You must switch off the boom floating position before you raise the main
boom off the trailer.
• Remove the padlock (2).
• Switch over valve I – lever (1) vertically
down.
• Secure the lever (1) with the padlock (2).
• Switch the valve IV over – lever (3) points
forwards.
The boom floating position is now switched off.
G
Risk of accidents from the main boom dropping down!
Always secure the lever with the padlock after switching off the boom
floating position.
This prevents the raised main boom falling down when the lever is actuated.
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