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Figure 2-112.  Lapped Seams Completed for Multiple Gore Section Replacement
Canopy Line CONT.

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. This task covers: a.  Repair b.  Replacement Tools: Materials/Parts (cont): Knife, Item 4, Appendix B Wax, Paraffin, Item 47, Appendix D Knife, Hot Metal, Item 5, Appendix B Webbing, Nylon, Type 1, 9/16-inch wide, Item 52/53, Pot, Melting, Item 13, Appendix B  - Appendix D Sewing Machine, Medium Duty, Zig-Zag, Item 17, Appendix -B Equipment Condition: Yardstick, Item 24, Appendix B Splicing Aid, Item 25, Appendix B Inspected (paragraph 2-9, paragraph 2-13). Cleaned (paragraph 2-12) Material/Parts: Canopy laid flat on repair surface Beeswax, Item 1, Appendix D Cord, Nylon, Type IV, Coreless, Item 16, Appendix D Thread, Nylon, Size E, Item 39/40, Appendix D a.    General.    A  canopy  line  is  a  length  of  nylon  cord  which  extends  from  a  point  of  attachment  on  a connector  link  assembly  on  one  side  of  the  canopy,  up  through  a  canopy  radial  seam  channel,  across  the canopy vent, and down through a canopy radial seam to a connector link assembly on the opposite side of the canopy.    As  a  result  of  the  routing,  a  canopy  line  length  is  divided  into  segments  which  are  referred  to  as suspension  line,  radial  line,  and  vent  line.    The  procedures  that  follow  include  the  repair  and  replacement  of individual segments of the canopy line and the entire canopy line. b.  Repair. (1)   Restitching.   Stitch and restitch with thread, nylon, size E, that is contrasting in color to the fabric being stitched or original thread being restitched.  If contrasting color thread is not available, thread of  matching  color  may  be  used,  providing  all  other  specifications  are  met.    Straight  stitching  and restitching should be locked by at least two inches at each end of the stitch row when possible.  Zig- zag restitching should extend at least two inches at each end of a stitch row when possible.  Zig-zag restitching  should  extend  at  least  1/4  inch  into  undamaged  stitching  at  each  end,  when  possible. Restitch   directly   over   the   original   stitching   and   follow   the   original   stitch   pattern   as   closely   as possible. CAUTION The  radial  line  portion  of  a  canopy  line  will  not  be  spliced.    Whenever  a canopy line is to be spliced, the splice will be located either above the upper lateral band or below the lower lateral band. (2) Splicing a type IV coreless nylon cord suspension line.  A suspension line made from type IV coreless nylon cord will be spliced as follows: (a)  Cut and remove the damaged portion of the line. 2-134







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