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757 MAINTENANCE MANUAL
 (c)
Remove the center tank access door, 134AZ (AMM 28-11-02/401). S 944-001

 (10)
 Obey the fuel tank entry precautions (AMM 28-11-00/201).

 S 014-002

 (11)
 Go into the center fuel tank.

 S 014-003

 (12)
 For the fuel override pumps, remove the baffle doors, 134BZ, 134CZ and 134DZ (AMM 06-41-00/201).

 S 034-044

 (13)
 Remove the motor impeller (11) per the Remove the Motor Impeller procedure.

 S 034-045

 (14)
 Disconnect the discharge check valve (7) from the housing (21) (View B).

 (a)  
Remove the four screws (32), washers (33), and nuts (34) from the discharge check valve (7).

 (b)  
Remove the O-rings (35).

 WARNING:_______ OBEY THE FUEL TANK ENTRY PRECAUTIONS.  FAILURE TO OBEY THE FUEL
 TANK ENTRY PRECAUTIONS COULD CAUSE INJURY TO PERSONS OR DAMAGE
 TO EQUIPMENT.

 S 214-046
 (15)
 Disconnect the removal check valve (26) from the housing (21).

 (a)  
Remove the six screws (25), washers (24), and nuts (23) from the removal check valve (26) (View A).

 (b)  
Remove the O-ring (36) (View B).

 S 034-047
 (16)
 Disconnect the bonding jumpers (10, 19) from the spar on the wing (View B).

 S 034-041

 (17)
 Remove the flexible full coupling (9) and the two O-rings to disconnect the coolant and vapor discharge line (8) at the coolant and vapor discharge port (22).

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 S 034-042
 (18)
 Remove the nut (31), ring (30) and O-ring (29) to remove the pressure sensor line (1) (View A-A).

 (a)
Make sure the pressure sense line (1) is drained.

 NOTE: This will help to prevent the collection of water in the
____ pressure sense line. Water can freeze and cause damage to the pressure sense line. You can loosen the connection for the pressure sense line at the pressure switch (AMM 28-42-01/401) to help remove the fuel and water from the pressure sense line. You may have to flush the pressure sense line to remove all the water.
　
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 3(57)