FUEL SERVICING – HOT RAPID CLOSED CIRCUIT REFUELING (CCR) METHOD

TM 1-1520-238-23 1-40 1.17. FUEL SERVICING – HOT RAPID CLOSED CIRCUIT REFUELING (CCR) METHOD – continued i. Service fuel tanks, as required, when notified by pilot. (1) To refuel, select level control valve switch position and advisory indicator condition from following chart: TANKS TO BE REFUELED FWD TNK / AFT TNK SWITCHES BOTH AFT ONLY FWD ONLY AFT TANK OPEN OPEN CLOSED LEVEL CONT VALVES FWD TANK OPEN CLOSED OPEN AFT CLOSED OFF OFF ON INDICATORS FWD CLOSED OFF ON OFF CAUTION The fuel system may be damaged if air does not vent from fuel cells during ser- vicing. Stop fuel servicing if air does not escape from vent tubes. j. Check vent tubes (14) and (15) for escaping air. k. Stop fuel servicing when notified by pilot or when automatic fuel shutoff has occurred. NOTE FWD CLOSED and AFT CLOSED indi- cators will light when fuel cell is full and automatic shutoff has occurred. GO TO NEXT PAGE 15 14 M04-1844-5