Manitowoc Grove GMK6300L Operating Manual page 293

Operating Manual GMK6300L
4. Sling the main boom to an auxiliary crane;
5. Switch on the derricking cylinder pressure relief;
6. On the derricking cylinder head:
– Take the load off of the head pin,
– Release the head pin,
– Pull the head pins out;
à
p. 6 - 30.
7. On the boom pivot pin:
– Switch the hydraulic circuit over,
– prepare the pulling device,
– Pull out the pivot pin;
à
p. 6 - 33.
8. Raise the main boom from the turntable;
3 112 xxx en
Driving modes
6.4 Main boom, removing/installing
à
p. 6 - 26.
à
p. 6 - 29.
à
p. 6 - 38.
s
6 - 21