28-22-07
ALL ú ú 01 Page 412 ú May 28/00
A
757 MAINTENANCE MANUAL
FUEL LINE AND FITTINGS - INSPECTION/CHECK
________________________________________
1. General_______
A. This procedure has these tasks:
(1)
A check for leaks in the engine fuel-feed manifold. Air pressure is applied to the engine fuel-feed manifold to do a check for leaks and the correct installation of the shutoff and crossfeed valves.
(2)
A leak check of the fuel lines in the strut while it is pressurized by the fuel pumps.
(3)
A check for dents in the fuel lines and couplings.
B.
The engine fuel pump inlet line is referred to as the inlet line in this procedure.
TASK 28-22-07-216-001
2. Engine Fuel-Feed Manifold Check________________________________
A. Equipment
(1)
Air Pressure Source - 40 psig capacity
(2)
Pressure Check Equipment - locally made test equipment (Fig. 602).
(3)
B-28007-1 (Pratt and Whitney Engines) Adapter, Fuel Line Connector, (Quantity 2)
(4)
B-28007-2 (Rolls Royce Engines) Adapter, Fuel Line Connector, (Quantity 2)
B.
References
(1)
AMM 12-11-01/301, Fuel Tank Pressure Fueling
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 28-11-00/201, Fuel Tanks
(4)
AMM 28-11-01/401, Main Tank Access Doors
(5)
AMM 28-11-02/401, Center Tank Access Door
(6)
AMM 28-22-07/401, Fuel Lines and Fittings
(7)
AMM 28-26-00/201, Defueling
(8)
AMM 71-11-04/201, Fan Cowl Panels
(9)
AMM 73-11-07/401, Fuel Feed Line
C.
Access
(1)
Location Zones
133 Wing Center Section (Left)
134 Wing Center Section (Right)
531 Center Wing Tank (Left)
532 Dry Bay (Left)
541 Main Tank - Rib No. 5 to No. 17 (Left)
542 Main Tank - Rib No. 17 to No. 21 (Left)
631 Center Wing Tank (Right)
632 Dry Bay (Right)
641 Main Tank - Rib No. 5 to No. 17 (Right)
642 Main Tank - Rib No. 17 to No. 21 (Right)
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28-22-07
ALL ú ú 01 Page 601 ú May 28/02
A
757
MAINTENANCE MANUAL
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(76)
