TM 1-1520-238-23
10-490
10.117.
FUEL BOOST PUMP OUTLET HOSE REPLACEMENT – continued
10.117.5. Inspection
a. Check fuel boost pump outlet hose valve, and
boost pump for cracks, gouges, nicks, and
damaged threads (para 10.1).
10.117.6. 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 (1) on pump (6) in aft fuel cell.
(1) Lubricate threads of nipple (4) . Use
petrolatum (item 138, App F).
(2) Hold nipple (4). Use open end wrench. Install
nut (5).
b. Install hose (1) on valve (2).
(1) Lubricate threads of valve (2) . Use
petrolatum (item 138, App F).
(2) Hold valve (2). Install nut (3).
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