MAINTENANCE 2 Change Engine Oil --- every 500 hours 2 IMPORTANT: Change 250 operating hours, if the content of sulfur of fuel is 2000 ppm or more. Consult your nearest Hitachi dealer for the details. 3 Replace Engine Oil Filter --- every 500 hours IMPORTANT: Change 250 operating hours, if the content of sulfur of fuel is 2000 ppm or more. Consult your nearest Hitachi dealer for the details. 1. Run the engine to warm oil. DO NOT run the engine until oil is hot. 3, 4 M1U1-07-044 2. Park the machine on a level surface. 3. Lower the bucket to the ground. 4. Turn the auto-idle switch off. IMPORTANT: The turbocharger may be damaged if the en- gine is not properly shut down. M1U1-07-045 5.
Run the engine at slow idle speed without load for five minutes. 6. Turn the key switch OFF. Remove the key from the key switch. 5 7. Pull the pilot control shut-off lever to the LOCK position. CAUTION: Engine oil may be hot. Take extra care to avoid burns. Oil Oil M1U1-07-046 IMPORTANT: Install drainer (5) to the drain valve slowly. Oil may exhaust in large quantities when suddenly tightened. Oil Pan 3 8. Remove oil filler cap (2). 9. Remove cap (4) from oil pan drain valve (3). Install drainer (5) to the drain valve. 5 Screw 10. Screw drainer (5) into drain valve. Drain valve (3) will be opened to drain oil. 11. Remove oil filler cap (2).
Then, allow oil to drain through a clean cloth into a 50-liter (13 US gal) container. Oil M1U1-07-002 12. After all oil has been drained, inspect the cloth for any debris such as small pieces of metal. 13. Remove drainer (5). Install cap (4) to drain valve (3). Oil Pan Clean Cloth Container M104-07-010 7-30