Maintenance work on the superstructure
8.7 Hydraulic system
8 - 56 3 302 756 en Maintenance manual
GMK6400
16.11.2018
Changing oil
filter
3
• Release the container (1).
• Change the filter (2).
• Replace the gaskets.
• Fill the receptacle with clean oil and tighten
it – torque 25
Nm (18.5 ft lbf).
After changing
filters
• Check the valve on the hydraulic oil tank. Open the valve, if necessary;
à p. 8 - 59.
• Check the oil level. Top up the oil if necessary; à p. 8 - 58.
• To bleed the system, start the engine and let it idle for 3 minutes to bleed
the system.
• Check that none of the oil filters is leaking.
S
Risk of damage to the hydraulic pumps!
The engine may only be started if the valve in the suction line of the hydrau-
lic pumps is open and there is enough hydraulic oil in the hydraulic oil tank!
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