Manitowoc Grove GMK 5250L Maintenance Manual page 274

Maintenance work on the superstructure
8.6 Hydraulic system
Establishing the
operating
conditions
S
8 - 46
After having changed the oil filters and topping up the oil, you must
re-establish the operating conditions.
Risk of damage to the hydraulic pumps.
Open the valve prior to starting the engine.
This prevents damage to the hydraulic pumps.
•
Start the engine.
•
Carry out all hydraulic functions several times to remove any air in the
system.
•
Check that none of the oil filters is leaking.
•
Check the oil level through the inspection glass on the hydraulic oil tank.
Top up oil, if necessary;
Opening the valve
•
Open the valve – lever (1) parallel to the line.
à
p. 8 - 45.
3 302 744 en Maintenance manual
GMK5250L