TM 10-1670-298-20&PFigure 2-2. Hand Darning Method(c) ZigzagSewing. Airdrop Items, except parachute canopies, made from textile materials that have sustainedcut or tear damage may be repaired by zigzag sewing provided the applicable damaged area does not haveany material missing and the cut or tear is straight or L-shaped. Should the damaged area be irregularlyshaped or have material missing, the repair will be achieved by either darning or patching, as required. Azigzag sewing repair will be accomplished using a zigzag sewing machine, the specifics cited in Tables 2-2and 2-3, and the following procedures.1Set the sewing machine to the maximum stitch width.2Beginning at a point ¼-inch (0.635 cm) beyond one end of the cut or tear, stitch lengthwise along thedamaged area to a point 1/4-inch (0.635 cm) beyond the opposite end of the cut or tear (A, Figure 2-3).The cited stitching procedure will also apply to an L-shaped cut or tear (B, Figure 2-3).3If applicable, restencil informational data or Identification marks as prescribed In paragraph 2 8.c.NOTE•Holes or tears that exceed 1-inch (2 54 can) in length or 1-inch (2.54cm) in diameter will not be machine darned or hand darned.However, any cut or tear may be repaired with zigzag stitchingprovided no material adjacent to the cut or tear is missing.•Any hole or tear that exceeds 1-inch (2.54 cm) in length or 1-inch(2.54 cm) in diameter will be patched.2-14
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