TM 10-3930-659-10 Table 2-1.  Preventive Maintenance Checks and Services (Con’t). LOCATION ITEM ITEM TO NOT FULLY MISSION NO. INTERVAL CHECK/ PROCEDURE CAPABLE IF: SERVICE 26 Before Transmission (Con’t) Oil Level NOTE Transmission   fluid   level   should   be   checked with   the   engine   running,   parking   brake   set, direction    selector    lever    In    N    (Neutral)    with neutral  lock   button   engaged,   and   vehicle   on level ground.  Fluid level should show between ADD and FULL on transmission oil level gage. Check transmission fluid level (9) (see paragraph 3-7).  If level is below ADD, add sufficient fluid to bring level between ADD and FULL marks.  After completing transmission fluid level check, turn off engine. TA704487 2-27