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757
MAINTENANCE MANUAL

 S 864-046
 WARNING: DO THE ACTIVATION PROCEDURE FOR THE LEADING EDGE SLAT PROCEDURE
_______ (AMM 27-81-00/201). ACCIDENTAL SLAT OPERATION COULD CAUSE INJURY TO PERSONS.
 (12)
 Do the activation procedure for the leading edge slat procedure (AMM 27-81-00/201).

 S 944-081

 (13)
 Remove the ropes and DANGER - OPEN FUEL TANKS signs from around the fueling station.

 S 494-082

 (14)
 Connect the airplane battery and remove the OPEN FUEL TANK - DO NOT CONNECT signs.

 S 864-083

 (15)
 Supply electrical power to the airplane (AMM 24-22-00/201).

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 28-21-01
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757 MAINTENANCE MANUAL
 FUELING SHUTOFF VALVE - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  Four pressure fueling shutoff valves are installed on the rear spar of the wing. One fueling shutoff valve is found outboard of each center tank end rib and one fueling shutoff valve is found approximately 4 feet to each side of the airplane centerline.
 B.  The fueling shutoff valves let fuel flow freely from the fueling manifold to the fuel tanks.
 C.  The removal/installation procedures are the same for all fueling shutoff valves.
 D.  This procedure contains two tasks. The first task removes the fueling shutoff valve. The second task installs the fueling shutoff valve.
 TASK 28-21-02-004-017
 2.  Remove the Fueling Shutoff Valve (Fig. 401)________________________________
 A.  References
 (1)  
AMM 06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels

 (2)  
AMM 24-22-00/201, Electric Power Control

 (3)  
AMM 28-11-00/201, Fuel Tanks

 (4)  
AMM 28-11-01/401, Main Tank Access Door

 (5)  
AMM 28-11-02/401, Center Tank Access Door

 (6)  
AMM 28-21-12/401, Fueling Shutoff Valve Actuator

 (7)  
AMM 28-25-05/401, APU Fuel Line and Shroud

 (8)  
AMM 28-26-00/201, Defueling

 B.  
Access

 (1)  
Location Zones
 134 Wing Center Section (Right)
 541 Main Tank - Rib No. 5 to No. 17 (Left)
 641 Main Tank - Rib No. 5 to No. 17 (Right)
　
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