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757
MAINTENANCE MANUAL
(2) S 014-007Go into the center fuel tank.
(3) S 094-016Remove the caps from the APU fuel lines.
(4) S 424-017Align the APU check valve with the APU fuel lines.
(5) S 214-008Make sure the flow arrow on the APU check valve points in the outboard direction.
(6) S 434-018Use new O-rings and connect the flexible full couplings on each end of the APU check valve (AMM 28-25-05/401).
(7) S 434-019Put the clamp around the APU check valve.
(8) S 434-009Install the two cap screws, washers and nuts to attach the clamp to the bracket.
(9) S 414-020Install the baffle doors, 134DZ, 134CZ, and 134BZ (AMM 06-41-00/201).
S 414-021
(10) Install the center tank access door, 134AZ (AMM 28-11-02/401).
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757 MAINTENANCE MANUAL
APU FLAME ARRESTOR - REMOVAL/INSTALLATION
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1. General
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A. Two APU flame arrestors are installed in the drain tubing of the APU fuel line. One flame arrestor is installed in the drain tubing above the APU sump drain valve between the wheel wells. This flame arrestor is the upper aft APU flame arrestor. The other APU flame arrestor is installed in the drain tubing above the center fuel tank. This flame arrestor is the forward APU flame arrestor.
B. This procedure contains four tasks. The four tasks are:
(1)
Remove the upper aft APU flame arrestor
(2)
Install the upper aft APU flame arrestor
(3)
Remove the forward APU flame arrestor
(4)
Install the forward APU flame arrestor.
TASK 28-25-07-004-101
2. Remove the Upper Aft APU Flame Arrestor (Fig. 401)
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A. References
(1)
AMM 32-00-15/201, Landing Gear Door Locks
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 4(51)
