5-30 BA 50Z3/6003 en – Edition 4.3 * * 5003b520.fm
Maintenance
Adding hydraulic oil
Removing the filler plug can cause oil to escape.
Risk of accidents.
☞ Carefully open breather filter A under tank cover V to slowly release the
pressure inside the tank.
Do not add hydraulic oil unless the engine is stopped. Otherwise, hydraulic oil
will overflow at the filler opening on the hydraulic tank.
• Park the machine on level ground.
• Retract the bucket and boom rams, lower the boom and the bucket teeth to the ground.
• Lower the stabilizer blade to the ground.
• Set the boom straight (slewing ram).
• Stop the engine.
• Raise the control lever base.
• Remove tank cover V.
➥ Open breather filter A carefully to release the pressure inside the tank.
• Slowly open plug C with tool D included in the tool kit.
With the filter insert in place:
• Add hydraulic oil.
• Check the hydraulic oil level on sight glass B – see Checking the hydraulic oil level
on page 5-29.
• Add if necessary and check again.
• Tightly close plug C again with tool D.
• Retighten breather filter A.
• Install tank cover V.
The tool kit is in the engine compartment.
Fig. 293: Hydraulic oil tank
C
D
V
A
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