MAINTENANCE 2 Change Hydraulic Oil 3 Suction Filter Cleaning --- every 5000 hours, 2500 hours or 1500 hours CAUTION: Hydraulic oil may be hot. Wait for oil to cool before starting work. M104-07-117 IMPORTANT: Hydraulic oil changing intervals differ ac- cording to kind of hydraulic oils used. (See Recommended Oil Chart in this group) 1 2 Level Gauge 1. Park the machine on a level surface with the upperstruc- ture rotated 90° for easier access. 2. Position the machine with the arm cylinder fully retracted and the bucket cylinder fully extended. 3. Lower the bucket to the ground. 4. Turn the auto-idle switch off. IMPORTANT:
The turbocharger may be damaged if the engine is not properly shut down. 5. Run the engine at slow idle speed without load for five minutes. 1 M157-07-016 6. Stop the engine. Remove the key from the key switch. 7. Pull the pilot control shut-off lever to the LOCK position. 8. Clean the top of the hydraulic oil tank to keep dirt out of the hydraulic system. CAUTION: The hydraulic oil tank is pressurized. Push the pressure release button on the air breather before removing the air breather. 9. Push pressure release button (1) on the air breather. 2 M1U1-07-042 10. Remove cover (2). 11. Remove oil using a suction pump.
The hydraulic oil tank capacity, up to specified oil level, is approximately A. 7-40 Model A ZAXIS400R-3, 400LCH-3 298 L (78.7 US gal)