TM 9-2320-386-10 Change 1 3-21 3-7. CHECKING FLUID LEVELS (Contd) b. Engine Crankcase Oil Level. CAUTION Check oil level in engine approximately one minute after shutting down engine. Never operate engine with oil level below ADD level mark or above FULL level mark on dipstick. Engine operation with improper oil levels may cause internal engine component damage. (1) Ensure vehicle is parked on level ground. (2) Engine dipstick (5) is located on the left side of the engine (9). (3) Remove dipstick (5) from dipstick tube (7). (4) Wipe dipstick (5) clean and return to dipstick tube (7). (5) Withdraw dipstick (5) slowly to prevent false reading. (6) If engine oil is below ADD level mark on dipstick (5), remove oil filler cap (6) from oil fill tube (8) and add engine oil (table 2-2) as necessary. (7) Install oil filler cap (6) on oil fill tube (8). (8) Recheck engine oil level. Ensure oil level is positioned between the FULL and ADD level marks on dipstick (5). 5 9 ~ 5 6 7 8