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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (e)  With the manual override switch, slowly open each fueling
 shutoff valve and close it again.
 1)  Make sure the fueling shutoff valves move freely.
 NOTE:____ The fueling shutoff valves must open and close
 freely with the conditions of pressure fueling.
 (f)  Make sure all of the fueling shutoff valves are closed before
 you continue this procedure.
 (g)  The flowmeter on the fuel truck or the fuel source must show no
 fuel flow.

 S 865-024
 (17)
 Set the switch for the fueling shutoff valve for the No. 1 tank to OPEN.

 S 655-026

 (18)
 Fill the No. 1 tank with fuel.

 S 715-027

 (19)
 Examine these indicators to make sure that the refuel operation started:

 (a)  
The flowmeter on the fuel truck or the fuel source

 (b)  
The refuel quantity indicator for the No. 1 tank on the refuel panel (P15).

 S 655-028
 (20)
 Continue to put fuel in the tank until the DC float switch closes the fueling shutoff valve.

 S 865-029

 (21)
 Set the switch for the fueling shutoff valve for the No. 1 tank to CLOSE.

 S 865-030

 (22)
 Set the switch for the fueling shutoff valve for the No. 2 tank to OPEN.

 S 655-032

 (23)
 Fill the No. 2 tank with fuel.

 S 715-033

 (24)
 Examine these indicators to make sure that the refuel operation started:

 (a)  
The flowmeter on the fuel truck or the fuel source

 (b)  
The refuel quantity indicator for the No. 2 tank on the refuel panel (P15).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 715-063
 (25)
 Continue to put fuel in the tank until the DC float switch closes the fueling shutoff valve.

 S 865-034

 (26)
 Set the switch for the fueling shutoff valve for the No. 2 tank to CLOSE.

 S 865-035

 (27)
 Set the switch for the fueling shutoff valve for the center tank to OPEN.

 S 655-038

 (28)
 Fill the center tank with fuel.

 S 715-039

 (29)
 Examine these indicators to make sure that the refuel operation started:

 (a)  
The flowmeter on the fuel truck or the fuel source

 (b)  
The refuel quantity indicator for the center tank on the refuel panel (P15).

 S 715-064
 (30)
 Continue to put fuel in the tank until the DC float switch closes the fueling shutoff valve.

 S 865-040

 (31)
 Set the switch for the fueling shutoff valve for the center tank to CLOSE.

 E. Put the Airplane Back to Its Usual Condition
 S 655-049
 (1)  
Stop the fuel flow from the fuel truck or the fuel source.

 S 095-050

 (2)  
Do these steps in this sequence to remove the fuel hose:

 (a)  
Close the valve on the nozzle of the fuel hose.

 (b)  
Disconnect the nozzle from the fueling receptacle.

 (c)  
Disconnect the bonding jumper from the ground jack (if you connected it at the start of this procedure).

 (3)  
Put the cap back on the fueling receptacle.

 S 165-052

 (4)  
Soak up the fuel that fell during the refuel operation if there is some unwanted fuel.

 (5)  
Close the access door (6540) for the refuel station.

 S 435-051
 S 415-053
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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