1.
B 747-400 Flight Crew Conversion FUEL www.theorycentre.com

2.
FUEL STORAGE TANKS

3.
FUEL STORAGE TANKS FCOM 12.20.3 Varies slightly with line number

4.
FUEL SYSTEM CONTROLS NOTE: #2 AFT Main Fuel Pump PRESS will be extinguished when the APU is running regardless of switch position 8 MAIN FUEL PUMP SWITCHES ON - Pump selected to operate PRESS - Fuel pump low pressure output

5.
FUEL SYSTEM CONTROLS 6 OVERRIDE (OVRD) FUEL PUMP SWITCHES

6.
FUEL SYSTEM CONTROLS #2 and #3 OVERRIDE (OVRD) FUEL PUMP SWITCHES ON - Pump operates when commanded by system logic PRESS - Fuel pump low pressure output, when commanded Light inhibited when pump not commanded

7.
FUEL SYSTEM CONTROLS CENTER (CWT) FUEL PUMP SWITCHES ON - Pump selected to operate PRESS - Fuel pump low pressure output Light inhibited with switch off.

8.
FUEL SYSTEM CONTROLS STABILIZER TRANSFER/JETTISON FUEL PUMP SWITCHES ON - Pump selected to operate PRESS - Fuel pump low pressure output Light inhibited with switch off.

9.
FUEL SYSTEM CONTROLS CROSSFEED (X FEED) VALVE SWITCHES

10.
FUEL SYSTEM CONTROLS #1 AND #4 CROSSFEED (X FEED) VALVE SWITCHES FLOW BAR (ON) – Cross feed valve open VALVE – Disagree between switch and valve position

11.
FUEL SYSTEM CONTROLS #2 AND #3 CROSSFEED (X FEED) VALVE SWITCHES (GUARDED) FLOW BAR – Valve opens when commanded by system logic VALVE – Valve not in commanded position

12.
FUEL SYSTEM CONTROLS MAINTENANCE ONLY Not on all aircraft. On later build aircraft, SCAVENGE IS BY AUTOMATIC JET PUMPS CWT SCAVENGE PUMP RESERVE 2 & 3 XFER OFF ON CLOSE OPEN DEFUEL

13.
FUEL SYSTEM CONTROLS NOTE: FUEL XFER 1 & 4 switch will be used with fuel pump FWD & AFT failure in tank 1 or 4 QRH 12.13 VALVE LIGHT Not on all aircraft. FUEL XFER MAIN 1 & 4 ON VALVE

14.
FUEL SYNOPTIC DISPLAY TOTAL FUEL 173.5 KGS X +10c 1000 TEMP

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COMPACTED FUEL SYNOPTIC DISPLAY ELEC FUEL ECS HYD DRS GEAR ENG STAT CANC RCL

16.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 50.6 37.0 37.0 3.9 3.9 9.7 13.2 13.2 1 2 3 4 OVRD FUEL PUMP MAIN FUEL PUMP FUEL SYSTEM MANAGEMENT CARDS FUEL QUANTITY INDICATING SYSTEM FUEL CONTROL AND MANAGEMENT

17.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 50.6 37.0 37.0 3.9 3.9 9.7 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 168.8 ENGINE START WITH CWT > 7,700 KGS FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

18.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 7.5 37.0 37.0 3.9 3.9 0.0 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 116.6 ENGINE START WITH CWT <7,700 KGS FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

19.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 0.0 13.2 13.2 0.0 0.0 0.0 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 53.0 >FUEL TANK / ENG ENGINE START AND ALL MAIN TANKS EQUAL FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

20.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 7.5 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 116.7 FLAPS NOT UP WITH CWT <7,700 KGS STAB 0.0 FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

21.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 7.5 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 116.7 IN FLIGHT FLAPS UP WITH CWT <7,700 KGS FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF STAB 0.0

22.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 50.6 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 168.8 FLAPS NOT UP WITH CWT > 7,700 KGS STAB 9.7 FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

23.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 50.6 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 168.8 FLAPS UP WITH CWT > 7,700 KGS STAB 9.7 FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

24.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 3.2 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 111.4 FLAPS UP WITH CWT 3,200 KGS AND DURING CLIMB NOTE: AT CRUISE WILL BE REQUESTED TO TURN CWT PUMPS ON >FUEL LOW CTR L >FUEL LOW CTR R CLIMB STAB 0.0 FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF >FUEL OVR CTR L >FUEL OVR CTR R CRUISE

25.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 36.4 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 154.3 HST TRANSFER A/C IN CRUISE ATTITUDE CWT QTY LESS THAN 36,470 KGS OR STABILIZER TANK PUMP SWITCH ON ON THE GROUND >FUEL PMP STAB L >FUEL PMP STAB R STAB 9.7 FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

26.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 36.4 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 145.2 HST TRANSFER A/C IN CRUISE ATTITUDE STABILIZER TANK QTY APPROX 1,200 KGS AND LEFT PUMP SWITCH ON >FUEL LO STAB L STAB 1.2 FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

27.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 36.4 37.0 37.0 3.9 3.9 13.2 13.2 STAB .6 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 145.2 HST TRANSFER A/C IN CRUISE ATTITUDE STABILIZER TANK QTY APPROX 600 KGS AND RIGHT PUMP SWITCH ON >FUEL LO STAB R FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

28.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 36.4 37.0 37.0 3.9 3.9 6.6 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 144.6 HST FUEL FAILS TO TRANSFER CENTER WING TANK AND STAB TANK FUEL NOT AVAILABLE FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF FUEL STAB XFER

29.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 RES 3 1.3 37.0 37.0 3.9 3.9 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 110.1 >FUEL LOW CTR L >FUEL LOW CTR R IN FLIGHT CWT <1.300 KGS CWT SCAVENGE PUMP OPERATES FOR 120 MIN FROM PUMP LOW PRESSURE. STAB 0.6 FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

30.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 1.3 18.2 18.2 3.9 3.9 0.6 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 72.0 MAIN 2 OR 3 QTY < 18,200 KGS FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

31.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 0.0 13.2 13.2 0.0 0.0 0.6 13.2 13.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 53.0 >FUEL TANK / ENG ALL MAIN TANKS EQUAL FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

32.
CTR MAIN 2 MAIN 1 MAIN 3 MAIN 4 RES 2 STAB RES 3 0.0 7.2 7.2 0.0 0.0 0.6 7.2 7.2 1 2 3 4 FUEL CONTROL AND MANAGEMENT TOTAL FUEL 29.4 SHUTDOWN FUEL PUMP OPERATING NORMALLY FUEL PUMP ARMED FUEL PUMP OFF

33.
FUEL JETTISON JETTISON SELECTOR OFF – Disarms jettison system A or B – Arms jettison system

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FUEL JETTISON FUEL TO REMAIN Selects amount of fuel to remain when jettison is completed TOTAL FUEL 169.8 KGS X 100.0 1000 TO REMAIN

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FUEL JETTISON FUEL JETTISON NOZZLE SWITCHES ON – Jettison nozzle selected open VALVE – Valve and switch disagree NOTE: Do Not jettison fuel while TE flap are in transit between 1 & 5 position

36.
FUEL SYNOPTIC JETTISON DISPLAY TOTAL FUEL 169.8 KGS X 100.0 1000 TO REMAIN

37.
FUEL IMBALANCE/LEAK INDICATION CENTRE WING TANK NO.3 MAIN TANK NO.2 MAIN TANK NO.1 MAIN TANK NO.2 RESERVE NO.4 MAIN TANK NO.3 RESERVE FUEL IMBAL 1-4 ? 1360 KGS DIFFERENCE HST

38.
FUEL IMBALANCE/LEAK INDICATION CENTRE WING TANK NO.3 MAIN TANK NO.2 MAIN TANK NO.1 MAIN TANK NO.2 RESERVE NO.4 MAIN TANK NO.3 RESERVE ? FUEL IMBAL 2-3 2720 KGS DIFFERENCE HST

39.
FUEL IMBALANCE/LEAK INDICATION CENTRE WING TANK NO.3 MAIN TANK NO.2 MAIN TANK NO.1 MAIN TANK NO.2 RESERVE NO.4 MAIN TANK NO.3 RESERVE FUEL IMBALANCE 2720 KGS NOTE: Totals of 1 & 4 compared to totals 2 & 3 when in > FUEL TANK/ENGINE configuration only HST

40.
FUEL IMBALANCE/LEAK INDICATION CENTRE WING TANK NO.3 MAIN TANK NO.2 MAIN TANK NO.1 MAIN TANK NO.2 RESERVE NO.4 MAIN TANK NO.3 RESERVE FUEL QTY LOW ANY MAIN TANK <900 KGS HST