TM 1-1520-238-23
10-52
10.11.
FORWARD FUEL CELL CHECK/THERMAL RELIEF VALVE REMOVAL/INSTALLATION – continued
10.11.3. 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 forward check/thermal relief valve
(1).
(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).
10.11.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
10.11.5. Inspection
a. Check removed and attaching parts for
cracks, nicks, dents, and damaged threads
(para 10.1).
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