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TM 10-4320-351-14
(2)
Start the unisex coupling (3) on to the inlet (5). Install continuity ball (6) and spring (7) into hole in inlet (5)
and hold in the compressed position while completing installation of unisex coupling (3) onto inlet (5).
(3)
Place a wiping rag beneath the unisex coupling (3). Adjust coupling position until screw hole is facing up
and ball race (rounded groove) in inlet is centered under screw hole. Insert the balls (4) one at a time into
the hole in the housing by rotating the unisex coupling (3) while installing the balls (4). Once all 41 balls (4)
are installed, place O-ring (2) onto ball retaining screw (1) and install the ball retaining screw (1). Tighten
retaining screw (1).
Figure 4-8. Flange Mounted Unisex Coupling Replacement
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