C.  
Procedure

 S 014-018
 (1) Open the center tank access door, 134AZ (AMM 28-11-02/401).
 S 944-002
 WARNING: OBEY THE FUEL TANK ENTRY PRECAUTIONS (AMM 28-11-00/201).
_______ FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS COULD CAUSE INJURY OR DAMAGE.
 (2)  
Obey the fuel tank entry precautions (AMM 28-11-00/201).

 (3)  
Go into the center fuel tank.

 S 014-004

 (4)  
Remove the applicable baffle doors to get access to the float drain valve.

 S 034-005

 (5)  
Hold the float drain valve and remove the bolts and the washers from the float drain valve.

 S 014-003
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A

757 MAINTENANCE MANUAL
FLOAT DRAIN VALVE SEE A
CENTER TANK ACCESS DOOR, 134AZ
FAYING SURFACE SEAL
CENTER FUEL TANK
A  VENT STRINGER DOOR 
FLOAT DRAIN VALVE 
BOLT  A  FWD  INBD 
FLOAT 
A FLOAT DRAIN VALVE  BOLT 
FAYING SURFACE SEAL  A-A  WASHER SEAL FLOAT DRAIN VALVE 
Float Drain Valve Installation Figure 401 

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757 MAINTENANCE MANUAL
 S 024-009
 (6) Remove the float drain valve.
 TASK 28-13-03-404-006
 3. Install the Float Drain Valve (Fig. 401)
_____________________________
 A. Consumable Materials
 (1)
A00248 Sealant - BMS 5-26 Type II Class A-1/2

 (2)
A00249 Sealant - BMS 5-26 Type II Class A-2

 (3)
A00250 Sealant - BMS 5-26 Type II Class B-1/2

 (4)
A00251 Sealant - BMS 5-26 Type II Class B-2

 B.
References

 (1)
AMM 28-11-00/201, Fuel Tanks

 (2)
AMM 28-11-02/401, Center Tank Access Door

 (3)
AMM 51-31-01/201, Seals and Sealing

 C.
Access

 (1)  
Location Zones
 133 Wing Center Section (Left)
 134 Wing Center Section (Right)

 (2)  
Access Panel
 134AZ Center Tank Access Door (Right)
　
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 2(28)