ALIGNMENT TOOLB
Alignment Tool Installation Figure 402
F85873
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757 MAINTENANCE MANUAL
 S 654-031
 (2)  
Drain and purge the center fuel tank (AMM 28-11-00/201).

 S 034-002

 (3)  
Remove the defueling valve actuator (AMM 28-26-02/401).

 S 014-001

 (4)  
Remove the applicable left or right center tank access door, 531CB or 631CB (AMM 28-11-02/401).

 S 944-003
 WARNING:_______OBEY THE FUEL TANK ENTRY PRECAUTIONS. FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS COULD CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (5)  
Obey the fuel tank entry precautions (AMM 28-11-00/201).

 S 014-032

 (6)  
Go into the center fuel tank.

 S 014-059

 (7)  
Find the defueling valve.

 S 034-004

 (8)  
Remove the four adapter bolts (7) that attach the adapter plate (3) to the rear spar.

 S 024-033

 (9)  
Disengage the adapter shaft (1) from the valve body (10).

 S 024-034

 (10)
 Pull the adapter shaft (1) through the hole in the rear spar from out of the fuel tank to remove it.

 TASK 28-26-01-404-035
 3. Install the Adapter Shaft of the Defueling Valve (Fig. 401)
________________________________________________
 A. Parts
 ~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Adapter shaft | 28-26-01| 01 | 165 | | | 6 | Washer | | | 65 | | | 7 | Adapter bolt | | | 60 | | | 12 | O-ring (Packing) | | | 230 | 2......…........…...................................…..........….....….........1
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MAINTENANCE MANUAL

 B. References
 (1)  
AMM 20-10-21/601, Electrical Bonding

 (2)  
AMM 28-11-00/201, Fuel Tanks

 (3)  
　
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