Drain Hydraulic Tank Sump - Hitachi EX27U Operator's Manual

Drain Hydraulic Tank Sump

--- every 250 hours
IMPORTANT: Never run the engine without oil in
hydraulic oil tank.
1. Park the machine on a level surface.
2. Lower the bucket and blade to the ground.
3. Run the engine at slow idle speed without load for
three minutes.
4. Turn the key switch OFF. Remove the key from the
key switch.
5. Pull the pilot control shut-off lever to the LOCK posi-
tion.
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.
6. Turn the cap slowly to release the air.
CAUTION: Do not loosen the drain plug until oil
is cool. Hydraulic oil may be hot, potentially
causing serious injury.
7. After oil is cool, loosen drain plug (1) to drain water
and sediment. Do not remove the plug completely,
only loosen it enough to drain water and sediment.
8. After draining water and sediment, retighten the plug.
EX27u, EX35u
MAINTENANCE
2
2
SS-1789
7-24
1
EX27u, EX35u
EX50u
EX50u
M586-05-030
M589-07-012
1
M571-07-011
M571-07-019