TM 1-1520-238-23
10-98
10.21.
FORWARD FUEL CELL ENGINE FUEL SUPPLY HOSE REPLACEMENT – continued
10.21.4. Cleaning
a. Wipe relief valve, breakaway valve, and sur-
rounding surfaces with a clean rag.
10.21.5. Inspection
a. Check relief valve and breakaway valve for
nicks, dents, and damaged threads (para
10.1).
b. Check tube clamps for breaks, cracks, or dis-
tortion (para 10.1).
10.21.6. Installation
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. Install hose (7) on valve (10).
(1) Lubricate threads of connector (11). Use
petrolatum (item 138, App F).
(2) Install connector (11) on adapter (12).
(3) Turn connector (11) until seated and locking
teeth engage with adapter (12).
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M04-404-5
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11
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