TM 10-1670-280-23&P 0044 00
kk. Reinstall the loose ends of the reefing ring retainer, with reefing ring, and pocket band removed in
step d., by restitching according to original attachment details. Stitching will be made using a
medium-duty sewing machine, size E nylon thread, and 7 to 11 stitches per inch.
3. Replacing a vent line. When a vent line portion of a canopy line requires more than one splice or has a
core thread severed, the vent line will be replaced by fabricating as follows:
Lay the canopy vent out on a suitable work surface.
Remove the affected vent line from the canopy vent by cutting the line even with the upper edge of
the upper lateral band at two points.
Secure the loose upper end of each radial line with temporary tacking or pushpins.
Remove the upper radial line reinforcement tape from each of the two applicable radial lines by
cutting the stitching securing the tapes to the canopy.
Cut a length of type III nylon cord 12-inches longer than the length of the removed original vent line
and wax the cord ends.
Using a suitable marking aid, mark the cord length at a point 6-inches from each end.
Place one end of the cord length on the outside of one applicable radial seam, adjacent to an original
Align the respective 6-inch mark made in step f., above, with the upper edge of the upper lateral
Secure the cord end to the radial seam with temporary tacking or pushpins.