TM 10-1670-280-23&P 0011 00
b. Grasp the vent lines, with the bridle loop positioned to one side, and place the screw pin shackle over
the vent lines.
c. Rotate the vent lines down over the shackle legs to form a girth hitch.
d. Disconnect the center line from the bridle loop. While installing the screw pin, place the end loop of
the center line on the screw pin.
e. Tighten the screw pin and pull the girth hitch until tight.
Using 2-inch pressure sensitive adhesive tape, tape the shackle, vent line loop and center line loop
so that no metal parts, splice ends or rough webbing ends are exposed.