TASK 28-11-05-404-010
5. Install the Sump Drain Valve (Fig.401)
____________________________
A. Equipment
(1)
Adapter, Sump Drain Valve R/I - B28001-1
Adapter, Main and Surge Tanks - B28001-2
Adapter, Center Tank - B28001-5
B.
References
(1)
AMM 06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels
(2)
AMM 12-11-03/301, Fuel Tank Sump Draining
C.
Access
(1)
Location Zones 194 Wing to Body - Forward Lower Half (Right) 541 Main Tank - Rib No. 5 to No. 17 (Left) 543 Surge Tank - Rib No. 21 to No. 23 (Left) 641 Main Tank - Rib No. 5 to No. 17 (Right) 643 Surge Tank - Rib No. 21 to No. 23 (Right)
(2)
Access Panels 194CL ECS Equipment Bay Access Door (Left) 194CR ECS Equipment Bay Access Door (Right)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-11-05
ALL ú ú 01 Page 406 ú May 28/99
A
757 MAINTENANCE MANUAL
D. Procedure
S 434-015
(1)
Install a new O-ring on the drain valve.
S 424-029
(2)
Use the adapter and install the valve body in the lower surface of the fuel tank.
S 424-030
(3)
Tighten the valve body to 200 pound-inches.
S 434-005
(4)
For the drain valve in the center tank,
connect the drain line to the drain valve.
S 604-011
(5)
Drain a small quantity of fuel from the applicable fuel tank to do a check on the drain valve (AMM 12-11-03/301).
(a)
If the drain valve does not operate correctly, replace the drain valve.
S 414-006
(6) For the drain valve in the center tank,
close the ECS equipment bay access door 194CR or 194CL
(AMM 06-41-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-11-05
ALL ú ú 01 Page 407 ú May 28/99
A
757 MAINTENANCE MANUAL
WING DRY BAY ACCESS DOOR - REMOVAL/INSTALLATION
_______________________________________________
1. General_______
A. This procedure contains two tasks. The first task removes the dry bay access door. The second task installs the dry bay access door.
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 2(6)
