C. Access
 (1)  
Location Zones
 221 Control Cabin, Left
 222 Control Cabin, Right
 521 Leading Edge to Front Spar, Left
 621 Leading Edge to Front Spar, Right

 (2)  
Access Panels
 521BB Fueling Station Access Door
 521CB Fueling Control Panel Access Door
 621BB Fueling Station Access Door

 D. Prepare the Airplane for a Refuel Operation
 S 653-037
 WARNING:_______OBEY ALL THE REFUEL OPERATIONS PRECAUTIONS. IF YOU DO NOT OBEY THE REFUEL PRECAUTIONS, INJURIES TO PERSONNEL, AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (1)  Read and obey the precautions in this task: Precautions and Limits for Fuel Servicing.
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MAINTENANCE MANUAL

CENTER WING TANK
TOTAL USABLE FUEL 
FUEL TANK  U.S. GALLONS  IMPERIAL GALLONS  LITERS 
CENTER WING TANK  17,164  14,292  64,973 
NO. 1 MAIN TANK  4,482  3,732  16,966 
NO. 2 MAIN TANK  12,546  10,447  47,492 
NO. 3 MAIN TANK  12,546  10,447  47,492 
NO. 4 MAIN TANK  4,482  3,732  16,966 
RESERVE NO. 2  1,322  1,101  5,004 
RESERVE NO. 3  1,322  1,101  5,004 
TOTAL FUEL  53,864  44,852  203,897 

Fuel Tank Usable Fuel Quantities
Figure 301

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LANYARD 
PRESSURE  (PREFERRED 
REFUEL  INSTALLATION) 
STATION 
SEE  A 

PRESSURE REFUELREFUEL RECEPTACLESTATION
REFUEL ADAPTER SEE A RECEPTACLE
SEE BADAPTER
SEE B
PRESSURE REFUEL STATION
REFUEL RECEPTACLE
A
REFUEL RECEPTACLE ADAPTER
MANUAL FLANGEHANDLE FOR FUELING SHUTOFF VALVE
DEFUEL
LEVER

SEE C
REFUEL RECEPTACLE ADAPTER
(EXAMPLE)

DEFUEL LEVER DEFUEL LEVER B IN THE INCORRECT IN THE CORRECT POSITION (STOWED) POSITION (STOWED)
DEFUEL LEVER
C
Refuel Components
Figure 302

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SURGE TANK ACCESS DOOR

NOTE:PRESSURE RELIEF VALVE SHOWN IN THE CLOSED POSITION.
LEFT WING IS SHOWN, THE RIGHT WING IS SIMILAR.

Pressure Relief Valve
Figure 303

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 S 863-038
 (2)  
Supply electrical power (AMM 24-22-00/201).

 S 863-039

 (3)  
If the APU is to supply power, do this task: Fuel Supply for APU Operation.

 S 863-040

 (4)  
Make sure the airplane is in a 0.5° nose down and a 0.0° roll attitude (| 2.0° pitch and roll).

 S 683-041

 (5)  
Sump the water from the fuel tanks prior to refueling the airplane (AMM 12-11-10/301).
　
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