DETROIT DIESEL 53
fuel oil such as American Oil Diesel Run-In Fuel (LF- 4089), Mobil 4Y17, or equivalent, to enable the engine to operate
12. Drain the fuel filter and strainer. Remove the retaining bolts, shells and elements. Discard the used elements and
gaskets. Wash the shells in clean fuel oil and insert new elements. Fill the cavity between the element and shell about
two-thirds full of the same rust preventive compound as used in the fuel tank and reinstall the shell.
13. Operate the engine for 5 minutes to circulate the rust preventive throughout the engine.
14. Refer to Section 3.1 and service the air cleaner.