HOW-TO SECTION How to Replace the Lube Oil and Filters Filters are an integral part of the fuel system. Proper filter selection and maintenance are important to satisfactory engine operation and service life. Filters should be used to maintain a clean system, not to clean up a contaminated system. Figure 33 SAE Oil Viscosity Classes FIRE To insure the engine is protected and the oil stays clean until the next oil change, use only oils of API classification CJ-4. To avoid injury from fire, keep open flames, sparks, electrical resistance heating elements, or other potential ignition sources away when draining lubrication oil. Do not smoke when draining lubricating oil.
Only the 260 350 horsepower models (except motorcoach) have an oil centrifuge along with an oil filter. NOTICE: Both the primary lube oil filter (front of engine) and the oil centrifuge cartridge (side of engine) must be replaced at each oil drain interval. NOTE: Select the SAE class (viscosity) on the basis of the average air temperature for the season. See Figure 33. View the temperature ranges for the various SAE classes as guidelines which can be exceeded for only a short time. Change the oil filter as follows: 90 All information subject to change without notice. (Rev. 04/08) DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION