TM 5-4320-302-14
c. Remove suction hose from suction flange (intake).
d. Remove discharge hose from check valve body assembly (discharge).
e. Clean intake and discharge port threads using a wet cloth.
f. Cover intake and discharge port openings.
g. Remove screw plug from bottom
cover and drain crankcase. Replace
screw plug and fill crankcase to
the proper level with the recom-
mended viscosity and grade of oil
in accordance with LO 5-4320-
302-12 (figure 4-1).
h. Service air cleaner primary and secondary elements in accordance with table 2-2, item 15.
i. Tape the rain cap in place and
oil the cap surfaces. Seal all
engine openings with moisture-
proof, vaporproof tape, strong
enough to resist puncture and
damage from the expansion of
entrapped air.
4-183
