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Figure 2-118.  Canopy Line Replacement Details
Figure 2-119.  Radial Seam Patching

TM-10-1670-281-23P Parachute Cargo Type: 64-Foot Diameter Model G-12D NSN 1670-00-893-2371 and Model G-12E NSN 1670-01-060-3705 Manual
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ARMY TM 10-1670-281-23&P AIR FORCE T.O. 13C5-32-2 NAVY NAVAIR 13-1-32 2-27.  Patching a Radial Seam. This task covers: a. Inspect b. Repair Tools: Equipment Condition: Shears, Item 14, Appendix B Cleaned, paragraph 2-12 Sewing Machine, Light Duty, Item 16, Appendix B Inspected, paragraphs 2-9, paragraph 2-13 Yardstick, Item 24, Appendix B Unpacked, canopy laid flat Materials/Parts: Thread, Nylon, Size E, Items 39/40, Appendix D Cloth, Parachute, Nylon, Type I, Item 11, Appendix D a.  Inspection.  Inspect the radial seam in accordance with table 2-1. b.  Preparation for Patching.  Prepare the radial seam for patching as follows: (1)  Place the canopy on a repair table with the damaged side of the radial seam facing up. (2)  As required, cut the applicable stitching to remove or lay aside items which may interfere with the patching process. (3)  Smooth the canopy material surrounding the damaged area and secure the undamaged portion of the seam to the table with pushpins.  Do not pin the damaged area of the seam. (4)  Using the same type material as in original canopy construction, bias-cut a rectangular patch 3 1/2 inches wider and 4 inches longer than the damaged area.  If one piece of material is not long enough to  achieve  the  required  size,  join  additional  pieces  of  bias-cut  material  with  1/2-inch-wide  lapped seams. NOTE Patch material for a damaged area that does not exceed 1 inch need not be bias cut. c.   Patching Radial Seam.  There is no limit to the length of a miscellaneous patch made on a canopy radial  seam.    In  addition,  a  radial  seam  may  be  patched  on  both  the  inside  and  the  outside  of  a  canopy,  as required. Patch a damaged radial seam as follows (see figure 2-119): (1)  Fold the patch material lengthwise and aline the raw edges. (2)    Make  a  fold-under  on  each  edge  of  the  patch  material  and  baste  each  fold-under  using  the procedures in paragraph 2-19. 2-147







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