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Figure 2-35. Darning Method Using a Darning Sewing Machine | Up
TM-10-1670-294-23P Parachute Cargo Type: 35-Foot Diameter Ribbon Extraction Parachute NSN 1670-01-283-4031 Manual | Next
Figure 2-37. Repair Method Using a Zig-Zag Sewing Machine. |
ARMY TM 10-1670-294-23&P
AIR FORCE T.O. 13C5-33-2
NAVY NAVAIR 13-1-34
2-17 Sewing Procedures (cont.).
(b)
Using a darning needle and a length of size A or E nylon thread, begin darning at one corner of
the. marked area. Working in the direction of the fabric warp or filling, pass the needle and
thread back. and forth through the material until the opposite diagonal comer of the marked
area is reached. (A, figure 2-36).
(c)
Turn the material and weave the needle and thread back and forth across the stitching made in
(b),. above, until the hole Is completely darned (B, figure 2-36).
(d)
If applicable, restencil informational data or identification marks as outlined in paragraph 2-19.
Figure 2-36. Hand Darning Method.
Figure 2-36. Hand Darning Method.
d.
Zig-Zag Sewing (Refer to Tables 2-2 and 2-3). Air delivery items, except the canopy, made from
textile. materials that have sustained cut or tear damage may be repaired by zig-zag sewing provided the
applicable. damaged area does not have any material missing and the cut or tear is straight or L-shaped.
Should the. damaged area be irregular shaped or have material missing, the repair will be achieved by either
darning or patching, as required. A zig-zag sewing repair will be accomplished with a zig-zag sewing machine,
using the following procedure.
(1)
Set the sewing machine to the maximum stitch width.
(2)
Beginning at a point 1/4 inch beyond one end of the cut or tear, stitch lengthwise along the
damaged area. to a point 1/4 inch beyond the opposite end of the cut or tear (A, figure 2-37)
The cited stitching. procedure will also apply to an L-shaped cut or tear (B, figure 2-37).
(3)
If applicable, restencil informational data or Identification marks as prescribed in para. 2-19.
2-52
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