MAINTENANCE 3 Swing Internal Gear --- every 500 hours CAUTION: Adding or changing swing internal gear grease and rotating the upperstructure must be done by one person. Before you start, clear the area of all persons. Each time you leave the cab Lower the bucket to the ground. Stop the engine. Pull the pilot control shut-off lever to the LOCK position. Use handrails. 1 1. Park the machine on a level surface. 2. Lower the bucket to the ground. M178-07-008 3. Turn the auto-idle switch off. IMPORTANT: The turbocharger may be damaged if the engine is not properly shut down. 2 4. Run the engine at slow idle speed without load for five minutes. 5. Turn the key switch OFF.
Remove the key from the key switch. 6. Pull the pilot control shut-off lever to the LOCK posi- M157-07-161 7. Open the tool box cover on the upperstructure and re- move cover (1). tion. 8. Grease must be to the top of all internal gear teeth of the swing bearing and be free of contamination. Add approximately 0.5 kg of grease, if required. If the grease is contaminated, remove grease and replace with clean grease. IMPORTANT: If water or mud is found in the swing gear area, see Operating in Water or Mud in the “Driving the Machine” section. 9. Install the cover. 10. If grease shows any sign of water or mud, replace all the grease on the internal gear.
Remove cover (2) from the bottom of the swing gear housing, located near the center joint. 7-20 Model Capacity ZAXIS400R-3, 400LCH-3 19 L (5.0 US gal)