S 034-017
(10)
Turn the vent valve tube out of the way.
S 024-005
(11)
Remove the vent valve.
TASK 28-21-09-404-006
3. Install the Vent Valve (Fig. 401)
______________________
A. References
(1)
AMM 28-11-00/201, Fuel Tanks
(2)
AMM 28-11-01/401, Main Tank Access Door
B.
Access
(1)
Location Zone 642 Main Tank - Rib No. 17 to No. 21 (Right)
(2)
Access Panel
642AB Main Tank Access Door (Right)
C.
Procedure
S 944-018
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.
(1)
Obey the fuel tank entry precautions (AMM 28-11-00/201).
(2)
Go into the fuel tank.
(3)
Install a new O-ring on the vent valve.
S 014-019
S 434-007
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MAINTENANCE MANUAL
(4) S 424-008Install the vent valve on the fueling manifold.
(5) S 434-009Put the vent valve tube on the vent valve.
(6) S 434-020Tighten the coupling on the vent valve.
(7) S 434-021Install lockwire between the coupling and the vent valve.
(8) S 434-010Tighten the coupling to the adapter plate.
(9) S 434-019Install lockwire between the coupling and the adapter plate.
S 414-011
(10) Install the main tank access door, 642AB (AMM 28-11-01/401).
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FUELING SHUTOFF VALVE ACTUATOR - REMOVAL/INSTALLATION
_____________________________________________________
1. General_______
A. Four pressure fueling shutoff valves are installed on the rear spar of the wing. One fueling shutoff valve is found outboard of each center tank end rib and one fueling shutoff valve is found approximately four feet to each side of the airplane centerline.
B. The actuators of the fueling shutoff valve are installed on the dry side of the rear spar.
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