(2)  
AMM 28-11-00/201, Fuel Tanks

 (3)  
AMM 28-11-02/401, Center Tank Access Door

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 C. Access
 (1)  
Location Zones
 133 Wing Center Section (Left)
 134 Wing Center Section (Right)
 531 Center Wing Tank (Left)
 631 Center Wing Tank (Right)

 (2)  
Access Panels
 134AZ Center Tank Access Door (Right)
 134BZ Baffle Door
 134CZ Baffle Door
 134DZ Baffle Door
 531AB Center Tank Access Door (Left)
 631AB Center Tank Access Door (Right)

 D.
Procedure

 S 944-028
 WARNING: OBEY THE FUEL TANK ENTRY PRECAUTIONS (AMM 28-11-00/201).
_______ FAILURE TO OBEY THE FUEL TANK ENTRY PRECATUIONS COULD CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Obey the fuel tank entry precautions (AMM 28-11-00/201).

 S 434-015

 (2)  
Install the pressure sensor line adapter (13) and O-ring (12) on the housing (9) if moved.

 S 434-016

 (3)  
Put a new O-ring (14) in the groove of the discharge check valve (8) that attaches to the housing (9).

 S 824-017

 (4)  
Align the discharge check valve with the housing (9) and the pump discharge line (7).

 S 424-018

 (5)  
Install the four bolts (24), washers (11), and nuts (10) to attach the discharge check valve (8) to the housing (9).

 S 434-019

 (6)  
Put a new O-ring (5) in the valve flange (4) that attaches to the pump discharge line (7).

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 S 434-020
 (7)  Install the four screws (6), washers (3) and nuts (2) to attach the pump discharge line (7) to the discharge check valve (8).
 S 434-023
 (8)  Connect the pressure sensor line (1) to the discharge check valve (8). (a) Install the ferrule on the pressure sensor line (1). (b) Put a nut (17) on the ferrule. (c) Put a ring (15) on the ferrule between the ferrule and the nut (17). (d) Install a new O-ring (16) in the coupling body. (e) Install the nut (17) on the coupling body. (f) Install the lockwire on the nut (17).
　
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本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 燃油 CHAPTER 28 - FUEL 3(91)