TM 5-6115-593-12 TO 35C2-3-463-1 TABLE 3-2.  OPERATOR/CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES NOTE: Within designated interval, these checks are to be performed in the order listed. B-BEFORE A-AFTER D-DURING B D A 5 o Air Cleaners Check service indicator Indicator in Red 6 o Radiator Assembly CAUTION Relieve pressure in radiator Ref.  par.  2-13e by loosening radiator cap and waiting two minutes before removing cap. Check for leaks Check and service radiator No coolant showing in (using sight gauge) for sight gauge sufficient coolant. Check louvers for freedom of operation Check fan belts for wear and proper tension Check radiator fins for damage or obstruction. 7 o o o Fuel System Check fuel lines for leaks and security WARNING When handling diesel fuel, always provide a metal-to- metal contact between the container and fuel tank. This will prevent a spark from being generated as fuel flows over the metal surface. Never service generator set when in operation. After operation, assure that tank is full to prevent moisture condensation. Check position of valve to OPEN on inside of fuel filler neck cap. o o Add fuel as required o Drain water and sediment from filters. Inspect filters. 3-5 INTERVAL ITEM NO. ITEM TO BE INSPECTED EQUIPMENT IS NOT READY/ AVAILABLE IF: PROCEDURES CHECK FOR AND HAVE REPAIRED OR ADJUSTED AS NECESSARY