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)
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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).
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757 MAINTENANCE MANUAL
WING DRY BAY ACCESS DOOR - REMOVAL/INSTALLATION
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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.
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 2(6)
