C h e c k that gasket surfaces of covers (1) do not have small nicks or burrs.
Take off small nicks and burrs with a fine mill file or crocus cloth.
C h e c k that oil filler cap assembly (2) has no cracks, dents or damaged lock
t a b s (3), and that gasket (4) is not damaged in any way. If oil filler cap
a s s e m b l y is damaged, get a new oil filler cap assembly.
END OF TASK