Hitachi EX1900-5 Operator's Manual page 171

Pump Transmission
Check Oil Level --- every 50 hours
(first time after 10 hours)
1. Park the machine on a level surface.
2. Lower the bucket to the ground.
3. Turn the auto-idle switch off.
IMPORTANT: The turbocharger may be damaged if the
engine is not properly shut down.
4. Run the engine at slow idle speed without load for five
minutes.
5. Stop the engine. Remove the key from the key switch.
6. Pull the pilot control shut-off lever to the LOCK posi-
tion.
CAUTION: Oil may be hot. Wait for oil to cool be-
fore starting work.
7. Remove dipstick (1). Oil must be between the top and
notch on the dipstick.
8. If necessary, remove dipstick (1) and add oil. (See oil
chart)
9. Recheck oil level.
MAINTENANCE
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M18C-07-015
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M114-07-181