Manitowoc Grove GMK6300L - Page 296

Driving modes
6.4 Main boom, removing/installing
6 - 24 3 112 xxx en Operating Manual GMK6300L
xx.xx.xxxx
5. On the boom pivot pin:
– Switch the hydraulic circuit over,
– Push in the pivot pin,
à p. 6 - 33.
6. Set down the main boom in the boom rest with the auxiliary crane and
remove the lifting gear.
7. On the derricking cylinder head:
– Level the derricking cylinder,
– Fit the head pin,
– Secure the head pin;
à p. 6 - 30.
8. Switch off the derricking cylinder pressure relief;
à p. 6 - 29.
9. Raise main boom and
– attach the clamps for the hoses;
à p. 6 - 28,
– make the hydraulic and electrical connections;
à p. 6 - 36.