MAINTENANCE 4.6 LUBRICATION AND MAINTENANCE SCHEDULE Extended Service Intervals for Engines with Engine Oil Management System G Every 500 operating hours The contents of each engine oil reserve tank is sufficient for approximately 500 hours of operation. The oil level in the reserve tanks is also monitored by the ECS system. Be sure to fill the corresponding reserve tank for rear engine -1- or front engine -2- when the information mes- sage "Engine oil reserve tank 1 (or 2) empty" is being displayed on the ECS screen. Fill the reserve tanks via the swing down service arm. Use engine oil according to the specifications in the Engine Operation and Maintenance Manual.
Change both oil filter cartridges (3) of the reserve system. G Every 4000 operating hours Change engine oil. Drain the oil from both engine oil pans and from both engine oil reserve tanks. See illustration Z22452A on page page 301 for location of the drain plugs on the reserve tanks. It is recommended to change the oil when the oil level in the reserve tanks is near the mini- mum level. NOTICE After the engine oil has been drained from both engine oil pans and from both reserve tanks, fill both engine oil pans and both reserve tanks via the swing down service arm.
The service arm receiver panel has four connectors for filling of engine oil, two connectors for the engine oil pans and two connectors for the reserve tanks. DO NOT use the oil in the reserve tanks to fill the engine oil pans after an oil change. See section "CENTRAL REFILLING SYSTEM" on page page 256 for more information. Refer also to the Engine Operation and Maintenance Manual for oil change procedure and oil specifications. REMARK Service the Eliminator Oil Filtration System according to the separate Service Bulletin "Eliminator Filter" filed in volume 2 Binder. 299