Table 2-2. Operator/Crew Preventive Maintenance Checks and Services (Contd). ITEM NO. INTERVAL ITEM TO CHECK/ SERVICE PROCEDURE NOT FULLY MISSION CAPABLE IF: 2-32 TM 9-2320-386-10 24 After Radiator, a. Check for cracks, leaks, security, a. Any class III Operation charged and debris blocking fins. coolant leakage is (Contd) air cooler, evident or debris and trans- blocking the radiator mission or charged air cooler auxiliary fins. oil cooler b. Check all hoses and tubes for b. Any class III deterioration, leakage, and secure leakage is evident. connections. 25 Water Check water pump (4) for leaks. If Any class III coolant pump leaking, notify unit maintenance. leakage is evident. 26 Fan and Inspect fan (2), fan drive (3), and fan Fan or fan drive fan drive actuator tube (1) for excessive is loose. looseness, leaks, and breaks. If loose, notify unit maintenance. 27 Engine oil Check engine oil filter (5) for cracks, Any class III oil filter leaks, and looseness. Notify unit main- leakage is evident. tenance if cracked, leaking, or loose. 1 2 3 5 4 1