AFT FUEL CELL ENGINE FUEL SUPPLY HOSE REPLACEMENT continued
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 fuel cell engine fuel supply hose
(1) from check valve (2).
(1) Hold check valve (2). Use adjustable wrench.
Remove hose nut (3). Use open end wrench.
b. Remove ratchet sleeve connector (4) from
ratchet adapter (5).
(1) Pull ratchet sleeve connector (4) back to re-
lease locking teeth.
(2) Turn and pull connector (4) from adapter (5).
(3) Remove fuel supply hose (1).
a. Wipe removed and attaching parts with a
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