TM 10-1670-272-23&P 0018 00
d. Position the webbing on the damaged area. Use a medium-duty sewing machine and size E,
nylon, thread to stitch. Sew webbing in place with four continuous rows of stitching, 7 to 11
stitches per inch. Overstitch the ends of the webbing 2-inches.
e. Reposition apex/vent lines and sew them in place according to original construction.
3. Damage Extending Into Radial Seam:
a. Cut the stitching of the apex/vent line attached to the damaged radial seam and the stitching of
the two apex/vent lines on each side of the damaged seam. Move the lines to one side.
b. Invert the apex and smooth the canopy around the damaged area.
c. Cut a piece of 1-inch tubular, nylon webbing, long enough to extend 1-inch beyond the outside
edge of the second radial seam, on each side of the damaged area. Sear or dip the ends of the
Damage Between Radial Seams