Driving modes and rigging for on-road driving
6.3 Removing/installing main boom
6 - 16 3 112 993 en Operating manual GMK 6400
12.07.2013
4. Lift the main boom into the turntable and align the connecting points;
à p. 6 - 31.
5. On the boom pivot pin:
– Open the hydraulic circuit,
– Extend the pivot pin,
– Secure the pulling device
– Close the hydraulic circuit;
à p. 6 - 24.
6. Set down the main boom in the boom rest with the auxiliary crane and
remove the sling gear.
7. On the derricking cylinder head:
– Level the derricking cylinder
– Fit the head pin
– Secure the head pin;
à p. 6 - 21.
8. Raise the main boom and connect the hydraulic/electrical connections;
à p. 6 - 27.
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