Manitowoc Grove GMK4090 Operating Manual page 552

Crane operation
11.1 Before operating the crane
H
11 - 4
14. Check hydraulic oil temperature, preheat if necessary;
15. Adjust the brightness of the CCS display if necessary;
Additional information on inspections during crane operation, on permissi-
ble working positions and on how to operate the individual power units;
à
Crane operation with main boom , p. 11 - 71.
3 302 736 en
à
p. 11 - 13.
à
p. 10 - 6.
Operating manual
GMK4090