TM 1-1520-238-23
10-188
10.36.
AFT FUEL CELL FOUR-WAY CHECK VALVE REMOVAL/INSTALLATION – continued
10.36.3. Removal
CAUTION
Jet fuel will cause external surface of fuel
cell to swell, delaminate, and leak if al-
lowed to contact the fuel cell more than
72 HOURS. Keep jet fuel away from the
outside of fuel cells.
a. Remove aft four-way check valve (1) from aft
fuel cell (2).
(1) Hold valve (1). Use open end wrench. Re-
move fuel supply hose nut (3) from valve (1).
Use open end wrench.
(2) Remove fuel inlet hose nut (4) from valve (1).
(3) Remove fuel outlet hose nut (5) from valve
(1).
(4) Remove three bolts (6), three lockwashers
(7), valve (1), and six washers (8).
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