Check Hydraulic Oil Level - Hitachi EX27U Operator's Manual

Check Hydraulic Oil Level --- daily
IMPORTANT: Never run the engine without oil in hy-
draulic oil tank.
1. Park the machine on a level surface.
2. Position the machine with the arm cylinder fully re-
tracted and the bucket cylinder fully extended.
3. Lower the bucket and blade to the ground.
4. Run the engine at slow idle speed without load for
three minutes.
5. Turn the key switch OFF. Remove the key from the
key switch.
6. Pull the pilot control shut-off lever to the LOCK posi-
tion.
7. Check oil level gauge (1) on the hydraulic oil tank. Oil
must be between marks on the gauge. If necessary,
add oil.
CAUTION: Keep body and face away from the
cap or plug. Turn cap slowly and remove the cap
only after releasing the internal pressure com-
pletely.
8. Turn cap (2) slowly to release the air.
9. Turn cap further and remove cap or plug.
10. Add oil. Recheck oil level gauge (1).
11. Install cap.
EX27u, EX35u
MAINTENANCE
2
2
SS-1789
7-23
EX27u, EX35u
1
EX50u
EX50u
M586-05-030
1
M579-07-009
M571-07-002
M571-07-019