TM 1-1520-238-23
1-60
1.21.
DEFUELING – GRAVITY METHOD – continued
g. Drain forward sump.
(1) Place pail under fuel sump drain hose (12).
(2) Ground pail to airframe.
(3) Press and hold PUSH-TO-DRAIN button
(13).
(4) Dispose of drained fuel.
NOTE
Apply a thin coat of lubricating oil
(item 117, App F) to inner liner if fuel cell
is to remain empty more than 10 days
(TM 1-1500-204-23).
h. Remove aft fuel tank filler cap (14).
(1) Lift and turn locking tab (15) to OPEN.
(2) Pull filler cap (14) out of filler port (16). Pull
until filler cap chain (17) opens check valve
(18).
(3) Position chain (17) in locking detent (19) to
hold check valve (18) open.
(4) Connect defuel nozzle ground (7) to ground-
ing receptacle (20).
(5) Insert defueling nozzle (9) into filler port (16).
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M04-2302-4
13
12
M04-2302-6
17
19
18
16
16
17
9
14
15
7
20
14
20
7
9
15
