1 Before (Contd) Operation (Contd) (5) Check security of center- (5) Mission requires mounted troop seats (if installed). center-mounted troop seats and seats are not securely fastened. (6) Check tailgate (6) for (6) Mission damage, security, and ease of requires tailgate operation. and it is inoperative. (7) Check for missing or (7) Mission requires damaged retaining pins (7). tailgate and any retaining pins are missing or damaged. c. Look under vehicle for evidence c. Any brake fluid of fluid leakage (fuel, oil, brake fluid, leakage is evident. coolant). Class III leakage of oil, coolant, or fuel is evident, except if coolant leakage is from overflow on surge tank. Table 2-2. Operator/Crew Preventive Maintenance Checks and Services (Contd). ITEM NO. INTERVAL ITEM TO CHECK/ SERVICE PROCEDURE NOT FULLY MISSION CAPABLE IF: Change 1 2-21 TM 9-2320-386-10 1 2 5 6 3 4 7