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747-400
MAINTENANCE MANUAL

 (d)  
Use a nozzle extension or spout to make sure the fuel does not splash into the fuel tank.

 (e)  
Make sure the nozzle extension is below the level of the fuel.

 (f)  
Make sure the overwing nozzle remains in contact with the fill port during the refuel operation.

 (g)  
Repeat these steps for each fuel hose.

 E. Overwing Refuel Operation
 S 653-016
 (1)  Record these values on the fuel sheet:
 (a)  Pre-uplift fuel quantity for each tank.
 NOTE: If there is not electrical power or the FQIS system is
____ inoperative, use the fuel measuring sticks to calculate the pre-uplift fuel quantity in each tank.
 (b)  
Final fuel quantity necessary in each tank.

 (c)  
Fuel to be uplifted converted to volume.

 S 653-017
 (2)  
Use the fuel quantity indicators (P42 panel), flight deck fuel synoptic, or measuring sticks to monitor the fuel quantity.

 S 653-018

 (3)  
Activate the fuel equipment switch (deadman switch) to start the fuel flow.

 S 653-019
 WARNING: DO NOT REFUEL MORE THAN THE MAXIMUM PERMITTED RATE OF 155 U.S.
_______ GALLONS (580 LITERS) PER MINUTE FOR EACH TANK. THIS WILL REDUCE STATIC CHARGE IN THE FUEL TANK.
 (4)  Make sure the refuel rate for each tank is a maximum of 155 U.S. gallons (580 liters) per minute.
 S 653-020
 WARNING:_______DO NOT OVERFILL THE TANK. THERE IS NO AUTOMATIC SHUTOFF CONTROL FOR OVERWING REFUELING.
 (5)  Monitor the fuel quantity.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400 MAINTENANCE MANUAL
 F. Stop the Refuel Operation
 S 653-021
 (1)  
When you have the necessary fuel quantity, stop the refuel
 operation.

 S 653-022

 (2)  
Release the deadman switch to stop the fuel flow.

 S 653-023

 (3)  
Disconnect the refuel nozzle from the airplane.

 S 653-024

 (4)  
Install the overwing cap.

 S 653-025

 (5)  
Remove the overwing refuel nozzle bonding cable.

 S 653-026

 (6)  
Remove all equipment used for the overwing refuel operation.

 S 653-027

 (7)  
Repeat the steps for each fuel hose.

 S 653-046

 (8)  
Transfer fuel to the reserve and center wing tank as necessary (AMM 28-26-00/201).

 S 653-029

 (9)  
Make sure the onboard fuel load is in a valid pre-flight fuel distribution.

 S 653-030

 (10)
 Record the actual fuel quantities from the fuel quantity indicators.

 S 653-044

 (11)
 If the fuel quantity indicators are not available, record the actual fuel quantities from the fuel measuring sticks.

 (12)
 Do the discrepancy check and make sure it is within limits.

 (13)
 Complete the Fuel Sheet.

 S 653-031
 S 653-032
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 S 653-033
 (14)
 Complete the Delivery Receipt.

 S 653-034

 (15)
 Give a copy of the forms to the airline representative or flight crew.

 S 653-035

 (16)
 Make sure all the P42 panel switches are in the CLOSED position (if necessary).

 S 653-036

 (17)
 Put the POWER switch to the NORM position (if necessary).

 S 653-037
　
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