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MAINTENANCE MANUAL

 S 424-025
 (8)  Install the fueling shutoff valve (1) on the rear spar.
 NOTE:____ Make sure the threaded inserts on the fueling shutoff
 valve (1) go through the rear spar.
 (a)  Make sure the resistance is 2.5 ohms or less.
 S 434-026
 (9)  Put the washers (3) and nuts (4) on the three threaded inserts.
 S 434-027

 (10)
 Tighten the nuts (4).

 S 434-028

 (11)
 Install lockwire on the nuts (4).

 S 434-029

 (12)
 Put gasket seals (6, 8) on each side of the orifice plate (7).

 S 434-030

 (13)
 Align the orifice plate (7) on the fueling shutoff valve (1).

 S 434-031

 (14)
 Put washers on the four bolts (11).

 S 434-032

 (15)
 Install the bolts (11) through the flanged swivel fitting (9) to the fueling shutoff valve (1).

 S 434-033

 (16)
 Use a new O-ring (14A) and connect the flexible half coupling (14) between the fueling shutoff valve (1) and the fueling manifold (13) (AMM 28-25-05/401).

 S 434-038

 (17)
 Install the bolt (18), washer (17), and nut (16) to attach the bonding jumper (15) to the fueling shutoff valve (1).

 S 434-039

 (18)
 Install the actuator (5) of the fueling shutoff valve (AMM 28-21-12/401).

 S 414-040

 (19)
 For the fueling shutoff valves in the center fuel tank, install the baffle doors, 134DZ, 134CZ, and 134BZ (AMM 06-41-00/201).

 S 414-034

 (20)
 For the fueling shutoff valves in the center fuel tank, install the center tank access door, 134AZ (AMM 28-11-02/401).

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MAINTENANCE MANUAL

 S 414-035
 (21)
 For the fueling shutoff valves in the main fuel tank, install the main tank access door, 541AB or 641AB (AMM 28-11-01/401).

 S 654-036

 (22)
 Refuel the applicable fuel tank (AMM 12-11-01/301).

 S 214-037

 (23)
 Make sure there are no fuel leaks at the fueling shutoff valve (1).

 (a)  
If there are fuel leaks at the fueling shutoff valve (1), do the steps that follow: 1) Defuel the applicable fuel tank (AMM 28-26-00/201). 2) Do the procedure again as it is necessary to align the
　
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 2(73)