S 434-140
S 434-144
TASK 28-22-02-004-042
5. Remove the Engine Fuel Crossfeed Valve Body (Fig. 401, 401A)___________________________________________
A. References
(1) AMM 06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels
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MAINTENANCE MANUAL
(2)
AMM 28-11-00/201, Fuel Tanks
(3)
AMM 28-11-02/401, Center Tank Access Door
(4)
AMM 28-26-00/201, Defueling
B.
Access
(1)
Location Zone
134 Wing Center Section (Right)
(2)
Access Panels
134AZ Center Tank Access Door
134BZ Baffle Door
134CZ Baffle Door
134DZ Baffle Door
C.
Procedure
S 654-046
(1)
Defuel the center, left and right main fuel tanks
(AMM 28-26-00/201).
S 014-029
(2)
Remove the center tank access door, 134AZ (AMM 28-11-02/401).
S 914-051
WARNING:_______OBEY THE FUEL TANK ENTRY PRECAUTIONS. FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS CAN CAUSE INJURY OR DAMAGE.
(3)
Obey the fuel tank entry precautions (AMM 28-11-00/201).
S 014-030
(4)
Enter the center fuel tank.
S 014-031
(5)
Remove the baffle doors, 134BZ, 134CZ, and 134DZ (AMM 06-41-00/201).
S 034-032
(6)
Disconnect the flexible full couplings (9) from each side of the valve body (8).
S 034-033
(7)
Hold the valve body (8) and remove the four screws (5) and washers
(6)
that attach the valve body (8) to the support bracket (10).
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S 024-029
(8)
Disengage the valve body (8) from the adapter shaft (4).
S 024-030
(9)
Remove the valve body (8).
S 494-031
(10)
Put the covers on the openings in the fuel line to keep unwanted materials out.
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