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Figure 2-117.  Securing Radial Line and Suspension Line to Canopy
Canopy Line (cont) - TM-10-1670-281-23P_186

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 2-26.  Canopy Line (cont). (g)  Pass the loose end of the replacement vent line through the canopy bridle loop and position the   end   on   the   applicable   radial   seam   on   the   opposite   side   6f   the   canopy   using   the procedures in (f) above. (h)  Cut two 6-inch lengths of 9/16-inch-wide, type I nylon webbing and wax each webbing end 1/4 inch. (i)  Place a 6-inch long webbing lengthwise on the inside of each affected radial seam with the upper  end  of  each  webbing  length  alined  with  the  upper  edge  of  the  upper  lateral  band. Insure each webbing length is centered on the respective radial line and positioned vent line end.  Secure each webbing length with temporary tacking or pushpins. (d)  Working on the canopy outside, secure each positioned end of the replacement vent line to the  applicable  radial  seam  and  6-inch  webbing  length  by  stitching  a  3/16-inch-wide  row  of double-throw zigzag stitching from a point 1/4 inch above the upper lateral band to the lower edge  of  the  applicable  vent  line  end.    Stitching  will  be  made  using  a  medium-duty  sewing machine, size E nylon thread, 7 to 11 stitches per inch. (k)  Beginning 6 inches below the upper edge of the-upper lateral band, secure each radial line upper  end  to  the  radial  seam  and  6-inch  webbing  length  by  stitching  a  6-inch  long  row  of 3/16-inch wide double throw zigzag stitching to the upper edge.  Stitching will be made using a medium-duty sewing machine and size E nylon thread, 7 to 11 stitches per inch.  Remove temporary tacking or pushpins installed in (b), (f), (g) and (i), above. (I)    Reinstall  the  upper  radial  line  reinforcement  tape  removed  in  (c),  above,  by  restitching according to original construction details and paragraph 2-28, below.  Stitching will be made using a medium-duty sewing machine, size E nylon thread, 7 to 11 stitches per inch. (4)  Replacing a Canopy Line.  Replace an unserviceable canopy line by fabricating as follows: (a)    Cut  and  remove  all  stitching  that  holds  canopy  line  to  canopy.    Remove  other  items  as required, allowing entire line to move freely across lateral bands, through V-tabs, and within radial seams.  Do not remove V-tabs unless they are damaged. (b)  Cut off damaged line (hereafter referred to as old line) 24 inches below skirt on each side of canopy. (c)  Select a spool of type IV coreless nylon cord (hereafter referred to as new line), and wax end of new line. (d)    Insert  waxed  end  of  new  line  into  sheath  of  old  line  at  least  1  inch,  and  whipstitch,  or otherwise temporarily secure ends together (see figure 2-115). (e)    Grasp  cut  end  of  old  line  at  opposite  side  of  canopy  skirt  and  pull  old  line,  working  line through V-tabs and channels and across vent, until end of new line extends approximately 10 inches beyond link assembly.  Cut old line from new line at whipstitching to include waxed end. 2-144







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