Maintenance work on the superstructure
8.10 Hydraulic system
8 - 84 3 302 577 en Maintenance manual
GMK7450
16.08.2018
Establishing an
operational status
After having changed the oil filters and topping up the oil, you must re-
establish the operating conditions.
Opening the valves
• Pull out the locking bolt (1).
• Open the valves – lever (2) parallel with the
line.
• Insert the locking bolt (1).
• 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 sight glass on the hydraulic oil tank. Top
up oil if necessary;
à P. 8 - 83.
S
Risk of damage to the hydraulic pumps!
Open the valves prior to starting the engine.
This prevents damage to the hydraulic pumps.
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