TM 5-4310-276-14
Section I. OIL PAN ASSEMBLY
through the pushrod housings into the rocker box
The military standard engine lubrication sys-
tem is a splashvapor type. The lubricating oil is
splashed onto the moving parts from the oil pan. Lu-
brication of the valves and the rocker assembly is
a. Removal
accomplished by a "closed" breather system which
utilizes crankcase vacuum to draw oil vapors up
into a suitable container.