DETROIT DllESEL Engine Systems The full flow and by-pass filter elements should be replaced, each time the engine oil is changed, as follows: 1. Remove the drain plug and drain the oil (Fig. 18). 2. The filter shell, element and stud may be detached as an assembly, after removing the center stud from the base. Discard the gasket. 3. Clean the filter base. 4. Discard the used element, wipe out the filter shell and install a new element on the center stud. 5. Place a new gasket in the filter base, position the shell and element assembly on the gasket and tighten the center stud carefully to prevent damaging the gasket or center stud. Fig. 18 - Typical Full-Flow Filter Mounting 6.
Install the drain plug and, after the engine is started, check for oil leaks. Page 25