-
a gravity overwing refuel.
To fill the fuel tanks to their maximum capacity, the aircraft must be level at zero degrees. It is possible to refuel an aircraft that is not more than two degrees from level, but it is possible that the tanks will not completely fill.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
B. Defuel The main fuel pumps (Ref. 28-21-00) remove the fuel from the fuel tanks and supply it to the refuel/defuel coupling where it can be removed from the aircraft. The defuel/transfer valve, when open, connects the main fuel pump system (Ref. 28-21-00) to the refuel/defuel system.
1EFF : ALL 1 28-25-00Page 1 1 1 Aug 01/05 1 1 1CES 1
R **ON A/C 301-399,
R B. Defuel
R The main fuel pumps (Ref. 28-21-00) remove the fuel from the wing fuel
R tanks and supply it to the refuel/defuel coupling where it can be removed
R from the aircraft. The defuel/transfer valve, when open, connects the
R main fuel pump system (Ref. 28-21-00) to the refuel/defuel system. The
R main transfer system (Ref. 28-26-00) transfers fuel from the center tank
R to the wing tanks.
R 1EFF : 301-399, 1 28-25-00Page 2 1 1 May 01/04 1 1 1CES 1 **ON A/C ALL
2. Component Location
__________________ R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 001)
**ON A/C 051-051,
(Ref. Fig. 001A)
**ON A/C 301-399,
(Ref. Fig. 001B) R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 002)
**ON A/C 051-051,
(Ref. Fig. 002A)
**ON A/C ALL
(Ref. Fig. 003)
1EFF : ALL 1 28-25-00Page 3 1 1 Aug 01/05 1 1 1CES 1
R Refuel/Defuel System - Component Location Figure 001
R 1EFF : 001-049, 052-099, 101-149, 151-199, 1 28-25-00Page 4 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
R Refuel/Defuel System - Component Location
Figure 001A
1EFF : 051-051, 1 28-25-00 Page 5
1 1 Aug 01/05
1 1
1CES 1
R Refuel/Defuel System - Component Location
Figure 001B
1EFF : 301-399, 1 28-25-00 Page 6
1 1 Aug 01/05
1 1
1CES 1
Refuel/Defuel Coupling - Component Location
Figure 002
R 1EFF : 001-049, 052-099, 101-149, 151-199, 1 28-25-00Page 7 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1R Refuel/Defuel Coupling - Component Location R Figure 002A
R 1EFF : 051-051, 1 28-25-00Page 8 1 1 May 01/05 1 1 1CES 1
Refuel/Defuel Control Panel 800VU - Component Location
Figure 003
R 1EFF : ALL 1 28-25-00Page 9 1 1 May 01/05 1 1 1CES 1R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 401-499,
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------40QM CPLG-REFUEL/DEFUEL, R 622 28-25-41 41QM CAP-REFUEL/DEFUEL COUPLING, R 622 28-25-41
116QM SHROUD-REFUEL/DEFUEL CPLG, R 622 28-25-49 117QM PLATE-SHRD BACKING, R REFUEL/DEFUEL 622 28-25-49
CPLG 7QU VALVE-REFUEL, L WING TK 520 522JB 28-25-51 8QU VALVE-REFUEL, R WING TK 620 622JB 28-25-51
19QM CANISTER-REFUEL VALVE, L WING TK 540 540JB 28-25-52 20QM CANISTER-REFUEL VALVE, R WING TK 640 640JB 28-25-52 10QU VALVE-REFUEL, CTR TK 148 744 28-25-51 88QM CANISTER-REFUEL VALVE, CTR TK 142 148AZ 28-25-52 11QM VALVE-DEFUEL/TRANSFER 142 734 28-25-43 11QU ACTUATOR-DEFUEL/TRANSFER VALVE 148 744 28-25-53 82QM V BAND CLAMP-DEFUEL XFR VALVE ACTR 148 744 28-20-00 42QM ADAPTER-OVERWING REFUEL, L 540 540PB 28-20-00 43QM ADAPTER-OVERWING REFUEL, R 640 640PB 28-20-00 44QM CAP-OVERWING REFUEL, L 540 28-11-43 45QM CAP-OVERWING REFUEL, R 640 28-11-43 31QM VALVE-FUEL DRAIN, L WING TK 540 540AB 28-25-44 32QM VALVE-FUEL DRAIN, R WING TK 640 640AB 28-40-00 97QM VALVE-PRESSURE RELIEF, CTR TK 142 148AZ 28-25-45 161QM VALVE-AIR INLET 540 540KB 28-25-57 162QM VALVE-AIR INLET 640 640KB 28-25-57 54QM CHECK VALVE-SPILL PIPE, L WING TK 540 540KB 28-10-00 55QM CHECK VALVE-SPILL PIPE, R WING TK 640 640KB 28-10-00
R 1EFF : 001-049, 052-099, 101-149, 151-199, 1 28-25-00Page 10
1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R **ON A/C 051-051,
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