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MAINTENANCE
Extended Service Intervals for Engines with
Engine Oil Management System
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.
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 311 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.
See section "Central Refilling System" on page 270 for more
information.
DO NOT use the oil in the reserve tanks to fill the engine oil
pans after an oil change.
Refer also to the Engine Operation and Maintenance
Manual for oil change procedure and oil specifications.
4.6.5
RESETTING THE ENGINE OIL BURNING SYSTEM CENTINEL
Resetting of the Centinel system is necessary in the following
cases:
After every engine oil change.
Whenever the engine oil reserve tank has been allowed to
run empty.
After repairs on the Centinel system.
When changing the engine oil quality from Mineral oil to Syn-
thetic oil and vice versa.
For resetting procedure refer to page 69 in section 3.2
4.6 LUBRICATION AND MAINTENANCE SCHEDULE
309
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