Hitachi EX1900-5 Operator's Manual page 172

Change Oil --- every 500 hours
(first time after 50 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
position.
CAUTION: Oil may be hot. Wait for oil to cool
before starting work.
7. Prepare a container of 30 liter (7.9 US gal) or more
capacity for the drain oil.
8. Remove drain plug (2) on the pump transmission
housing, and loosen cock (3) to drain the oil.
9. Check if foreign material like metal particles are
included in the drain oil by filtering it with a clean cloth.
10. Tighten drain plug (2) and cock (3) securely. Fill the
pump transmission housing with 26 liters (6.9 US gal)
oil.
11. Confirm that the oil level is between the top and notch
on dipstick (1).
MAINTENANCE
1
7-40
2
3
Clean Cloth
Container
M18C-07-016
M107-07-095
M18C-07-015