Drain and Fill
Drain only after operation.
Drain when notifed by the Army Oil Analysis Program (AOAP)
If AOAP laboratory support is not available, drain every 1500 mi
(2414 km), 150 hr, or semiannually, whichever occurs first. if OEA
is used, drain every 750 mi (1207 km), 75 hr, or quarterly,
whichever occurs first.
A Move vehicle to level ground.
B Remove cover (1) from bottom of hull and remove drain plug
(2) from engine.
C Drain oil into a suitable container.
Dry cleaning solvent (SD2) is toxic and flammable.
Wear protective goggles and gloves and use only in
D Clean drain plug (2) and solvent SD2 and install drain plug and
E Replace oil filter elements (see Note 28).
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