S 024-050

 (9)  
Remove the valve body (10).

 S 494-018

 (10)
 Put covers on the holes in the fuel line to keep unwanted materials out.

 TASK 28-26-01-404-052
 6. Install the Valve Body of the Defueling Valve (Fig. 401)
_____________________________________________
 A. Parts
 ~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................
 | 401  |  8  | Valve bolt  |  28-26-01|  01 |  70  |
 |  |  9  | Washer  |  |  |  80  |
 |  |  10  | Valve body  |  |  |  90  |

 2......…........…...................................…..........….....….........1
 B. References
 (1)
AMM 06-44-00/201, Wings Access Panels and Doors

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

 (3)
AMM 28-11-00/201, Fuel Tanks

 (4)
AMM 28-11-02/401, Center Tank Access Door

 (5)
AMM 28-25-05/401, APU Fuel Line and Shroud

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 28-26-01
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A

757
MAINTENANCE MANUAL

 C. Access
 (1)  
Location Zones
 531 Center Wing Tank (Left)
 621 Leading Edge to Front Spar (Right)
 631 Center Wing Tank (Right)

 (2)  
Access Panels
 531BB Center Tank Access Door (Left)
 621GB Fueling Station Door (Right)
 631BB Center Tank Access Door (Right)

 D.
Procedure

 S 944-051
 WARNING:_______OBEY THE FUEL TANK ENTRY PRECAUTIONS. FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS COULD CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Obey the fuel tank entry precautions (AMM 28-11-00/201).

 S 094-019

 (2)  
Remove the covers from the fuel line.

 S 824-020

 (3)  
Align the index marks on the valve body (10) and the adapter shaft (1).

 S 214-060

 (4)  
Make sure "TOP" shows on the top of the valve body (10).

 S 424-053

 (5)  
Engage the valve body (10) and the adapter shaft (1).
　
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