TM 9-2350-256-20-1
0097 00
1.
AOAP-main engine. For active units, obtain oil samples from engine (1) every 25 hours of operation or 30 days (whichever
comes first). Send these samples to nearest AOAP laboratory. Refer to DA PAM 738-750 for sampling instructions. If or
when AOAP laboratory support is unavailable, hard-time intervals will apply.
0097 00-30
