TM 10-4330-237-13&P
(2)
At the filter vessel (3) depress and latch open the manual vent valve (4).
Refer to figure 4-5.
(3)
Remove ball retaining screw (1) and O-ring (2).
(4)
Position a wiping rag under the coupling (3) with screw hole oriented toward wiping rag. Push in and rotate
unisex coupling (3) back and forth until all 41 balls (4) have collected in the wiping rag.
(5)
Pull unisex coupling (3) from inlet (5).
(6)
Remove and discard outside O-ring (6) from inlet (5).
(7)
Remove and discard nylon seal (7) and inside O-ring (8) from inlet (5).
(8)
Remove and retain the eight springs (9).
Figure 4-5. Defueling Unisex Coupling Assembly
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