TM 55-1520-240-23-8
10-27
TEST FORWARD FUEL TANK AFTER INSTALLATION
(Continued)
10-27
16.
Open vent valve (17) and reduce pressure to 0
psi.
17.
Disconnect test setup from fitting (7).
Do not allow elbow or fittings to turn
when connecting hoses to aft access
panel. Otherwise, fittings can fail and
cause blockage.
18.
Remove plug from hose (8). Hold fitting (7) with
wrench and connect hose to fitting.
19.
Remove plug from hose (6) and cap from elbow
(5). Install conical seal (6.1) in hose (6) fitting.
Hold elbow with wrench and connect hose to
elbow.
20.
Remove four bolts (11), washers (10), and nuts
(9). Remove closure plate (14) and gasket (13).
NOTE
Tube (12) is not symmetrical. Make
sure that the upper nut on the landing
gear mount remains accessible when
installing the tube.
21.
Install tube (12) and two gaskets (13). Use eight
bolts (11), washers (10), and nuts (9).
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