(4)
AMM 28-26-00/201, Defueling
B.
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)
C.
Procedure
(1)
Defuel the center fuel tank (AMM 28-26-00/201).
S 654-002
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MAINTENANCE MANUAL
FUEL BOOST PUMP SEE A
FUEL BOOST PUMPSEE A
FUEL BOOST FUEL OVERRIDEPUMP PUMP
SEE A SEE A
2. NUT
(4 LOCATIONS) 6. SCREW
3. WASHER (4 LOCATIONS)
1. PRESSURE (EXAMPLE)
SENSOR 4. VALVE
LINE FLANGE
24. BOLT
22. WASHER 7. PUMP
DISCHARGE
21. BONDING LINE
JUMPER
20. WASHER
19. WASHER 5. O-RING
17. NUT 8. DISCHARGE16. O-RING CHECK VALVE
15. RING
14. O-RING
13. PRESSURE SENSOR LINE ADAPTER
12. O-RING
REAR SPAR (DRY SIDE)
11. WASHER (4 LOCATIONS)
10. NUT (4 LOCATIONS)
9. HOUSING
FUEL BOOST PUMP OR FUEL OVERRIDE PUMP A Discharge Check Valve Installation Figure 401
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S 654-029
(2) For the discharge check valve for the right main tank boost pumps or the right override pump, defuel the right main tank (AMM 28-26-00/201).
NOTE: You can move the fuel to the left main fuel tank to do
____
this if it has sufficient capacity for the fuel.
S 654-031
(3) For the discharge check valve for the left main tank boost pumps or the left override pump, defuel the left main tank (AMM 28-26-00/201).
NOTE: You can move the fuel to the right main fuel tank to do
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(89)
