Rigging work
11.3 Rigging work after driving with a dolly
Operating Instructions GMK5250L 3 302 633 en 11 - 17
27.09.2017
11.3 Rigging work after driving with a dolly
If the main boom is resting on a 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. 11 - 18,
– Switch off the boom floating position;
à p. 11 - 17,
– If necessary switch off the boom pre-tensioning;
à p. 11 - 19.
11.3.1 Switching off the boom floating position
You must switch off the boom floating position before you raise the main
boom off the dolly.
• Remove the lock (2).
• Switch over valve I – lever (1) horizontal and
pointing outward.
• 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 if the main boom falls 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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