FORWARD FUEL CELL CHECK/THERMAL RELIEF VALVE REMOVAL/INSTALLATION 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 forward check/thermal relief valve
(1) Hold valve (1). Remove forward fuel cell en-
gine supply hose nut (2) from valve (1). Use
crowfoot and open end wrench.
(2) Remove three bolts (3) and washers (4).
a. Wipe removed and attaching parts with a
a. Check removed and attaching parts for
cracks, nicks, dents, and damaged threads
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