S 794-141
(7)
Do this task: "Leakage Test of the APU Fuel Line and Shroud".
S 414-029
(8)
Install the applicable floor panels (AMM 53-01-01/401).
S 414-030
(9)
Close the access door, 311AL, if opened (AMM 06-42-00/201).
TASK 28-25-05-004-031
8. Remove the APU Fuel Drain Line______________________________
A. References
(1)
AMM 53-01-01/401, Floor Panels
B.
Access
(1)
Location Zones 241 Passenger Compartment - Section 44 (Left) 242 Passenger Compartment - Section 44 (Right)
C.
Remove the APU Fuel Drain Line
S 014-032
(1)
To remove the APU fuel drain line between the center fuel tank and the main gear wheel well, remove the applicable floor panel (AMM 53-01-01/401).
S 034-034
(2)
Remove the nut to disconnect the APU fuel drain line out and above the center fuel tank from the union (View A, Fig. 405).
S 034-035
(3)
Remove the coupling nut to disconnect the APU fuel drain line at the pressure bulkhead, forward of the main gear wheel well (View D, Fig. 405).
S 034-054
(4)
Remove the nut assembly above the APU sump drain valve (View E, Fig. 405).
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757 MAINTENANCE MANUAL
S 034-109
(5)
Remove the applicable fittings from the APU fuel drain line per the Remove the Fittings on the Fuel Line procedure.
S 024-110
(6)
Remove the APU fuel drain line.
TASK 28-25-05-404-111
9. Install the APU Fuel Drain Line_______________________________
A. Consumable Materials
(1)
D00064 Lubricant - Krytox 240 AC
B.
References
(1)
AMM 53-01-01/401, Floor Panels
C.
Access
(1)
Location Zones 241 Passenger Compartment - Section 44 (Left) 242 Passenger Compartment - Section 44 (Right)
D.
Install the APU Fuel Drain Line
S 424-055
(1)
Put the APU fuel drain line in position through the holes in the structure.
S 434-056
(2)
To install the nut assembly above the APU sump drain valve (View E, Fig. 405), do the steps that follow:
(a) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 4(46)
