ARMY TM 9-2815-257-24
AIR FORCE TO 38G1-128-2
MARINE CORPS TM 10155A/2815-24/3
3-17. OIL FILL CAP MAINTENANCE
This task covers removal, inspection, and installation.
Tool Kit, General Mechanics Automotive
(Item 2, App. B, Sect. III)
Oil, Engine Lubricating (Item 1-5, App. E)
Rag, Cleaning (Item 8, App. E)
Remove engine oil fill cap (1, Figure 3-9) from
engine block (2). Remove O-ring (3).
Inspect oil fill cap (1, Figure 3-9) for obvious
damage. Check oil level gauge (4) for security of
attachment to cap. Inspect for corrosion.
Inspect O-ring (3) for cuts, tears, or permanent
set. Replace O-ring if it will not allow a proper
Inspect area around oil fill port for evidence of
leakage. Clean area of dirt and accumulated
grime using a clean rag.
Apply a light coat of lubricating oil to O-ring (3,
Figure 3-9) and install into oil fill port.
Insert engine oil fill cap (1) into engine block (2).
Figure 3-9. Oil Fill Cap