(11)
Go into the center fuel tank.
S 014-077
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MAINTENANCE MANUAL
S 014-078
(12)
For the fuel override pumps, remove the baffle doors, 134BZ, 134CZ and 134DZ (AMM 06-41-00/201).
S 034-063
(13)
Remove the screws (3), washers (4) and nuts (5) to disconnect the flange coupling (2) of the pump discharge line (9) downstream of the discharge check valve (7) (View A).
S 034-079
(14)
Disconnect the pressure sensor line (1) at the discharge check valve (7).
(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.
S 034-066
(15)
Disconnect the pump inlet line (28) at the flexible half coupling (27) nearest the removal check valve (26).
S 034-067
(16)
Disconnect the coolant and vapor discharge line (8) at the coolant and vapor discharge port (22).
S 034-068
(17)
Disconnect the electrical connector (13) at the motor impeller (11).
S 024-004
(18)
Hold the fuel boost pump or fuel override pump in the fuel tank.
(19)
Disconnect the bonding jumpers (10, 19) from out of the fuel tank.
(20)
Remove the mounting bolts (20) from out of the fuel tank.
S 024-006
(21)
Remove the fuel boost pump or fuel override pump from the center fuel tank.
S 034-005
S 034-129
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TASK 28-22-03-404-007
3. Install the Fuel Boost Pump Assembly or the Fuel Override Pump Assembly
_______________________________________________________________________
(Fig. 401)
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 3(43)
