(10)
For the discharge check valve of the fuel override pumps, install the center tank access door, 134AZ (AMM 28-11-02/401).
S 414-026
(11)
For the discharge check valves of the fuel boost pumps, install the center tank access door, 531AB or 631AB (AMM 28-11-02/401).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-22-09
ALL ú ú 03 Page 406 ú May 28/99
A
757 MAINTENANCE MANUAL
FLOAT-OPERATED SHUTOFF VALVE - REMOVAL/INSTALLATION
___________________________________________________
1. General
_______
A. This procedure contains two tasks. The first task removes the float-operated shutoff valve. The second task installs the float-operated shutoff valve.
TASK 28-22-10-004-001
2. Remove the Float-Operated 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 28-26-00/201, Defueling
B.
Access
(1)
Location Zone 541 Main Tank - Rib No. 5 to No. 17 (Left)
(2)
Access Panel
541AB Main Tank Access Door (Left)
C.
Procedure
S 654-002
(1)
Defuel the left main fuel tank (AMM 28-26-00/201).
S 654-003
(2)
Drain and purge the left main fuel tank (AMM 28-11-00/201).
(3)
Remove the left main tank access door, 541AB (AMM 28-11-01/401).
S 014-004
S 944-016
WARNING: OBEY THE FUEL TANK ENTRY PRECAUTIONS (AMM 28-11-00/201).
_______ FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS COULD CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(4) Obey the fuel tank entry precautions (AMM 28-11-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-22-10
ALL ú ú 09 Page 401 ú May 28/99
A
757
MAINTENANCE MANUAL
BRACKET JUMPER
FLOAT-OPERATED SHUTOFF VALVE (VIEW AS YOU LOOK DOWN)
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 3(92)
