MAINTENANCE Table 19 Required Maintenance Operations Sets, Schedule I Table 20 Required Maintenance Operations Sets, Schedule II and III NOTE: If oil drain intervals are measured by operating hours, an extension of the oil drain interval may be possible. Refer to DDC publication Lubricating Oil, Fuel and Filters Requirements (7SE270) available on the DDC extranet. 76 All information subject to change without notice. (Rev.
04/08) DDC-SVC-MAN-0055 04/08 Copyright © 2008 DETROIT DIESEL CORPORATION Operation Description M1 M2 Engine Inspecting Fuel Prefilter Element Cleaning — Main Fuel Filter Element Changing — Valve Checking and Adjusting — Engine Oil and Filter Changing, Replace 906 and 926 Oil Centrifuge Cartridge Coolant Concentration Checking Coolant Flushing and Changing — Cooling System Inspecting Maintenance Operation Description M1 M2 M3 Engine Inspecting — Valve Lash Checking and Adjusting — — Fuel Prefilter Element Cleaning — Main Fuel Filter Element Changing — Engine Oil and Filter Changing, Replace 906 and 926 Oil Centrifuge Cartridge Coolant Concentration Checking — Coolant Flushing and Changing — — Cooling System Inspecting —