28-22-01
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MAINTENANCE MANUAL
(h) Turn the handle 13 more degrees in the clockwise direction past the reading from the previous step.
NOTE: The butterfly valve is now centered on the valve seal.
____ If you turn the valve past the target value, do not turn it back in the counterclockwise direction. You must start again with the tool handle in the extreme counterclockwise position.
S 034-059
(4)
Tighten the lockscrew on the tool to keep the adapter shaft in its position.
S 824-060
(5)
Turn the index plate until the actuator mounting holes in the index plate are aligned with the two upper holes for the actuator mounting screws.
S 824-061
(6)
Insert the two align screws into the holes for the actuator mounting screws to hold the index plate in alignment with the mounting plate (this is a final adjustment of the position of the index plate).
S 434-062
(7)
Tighten the bottom index screw to a torque of 21-23 pound-inches.
S 034-063
(8)
Carefully remove the align screws.
S 084-064
(9)
Carefully remove the alignment tool from the index plate.
S 034-065
(10)
Install the top two index screws (13) in the index plate (4) and tighten them to a torque of 21-23 pound-inches.
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28-22-01
ALL ú ú 03 Page 409 ú Dec 20/96
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757
MAINTENANCE MANUAL
S 434-066
(11)
Attach the index screws with lockwire.
S 434-071
(12)
Install the actuator of the engine fuel shutoff valve (AMM 28-22-11/401).
TASK 28-22-01-004-018
5. Remove the Valve Body of the Engine Fuel Shutoff Valve (Fig. 401)______________________________________________________
A. References
(1)
AMM 28-11-00/201, Fuel Tanks
(2)
AMM 28-11-01/401, Main Tank Access Door
(3)
AMM 28-25-05/401, APU Fuel Supply Line and Shroud
(4)
AMM 28-26-00/201, Defueling
B.
Access
(1)
Location Zones
541 Main Tank - Rib No. 5 to No. 17 (Left)
641 Main Tank - Rib No. 5 to No. 17 (Right)
(2)
Access Panels
541AB Main Tank Access Door (Left)
641AB Main Tank Access Door (Right)
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(22)
