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Triangular Patch Including Radial Seam and Lower Lateral Band, Continuous Line Canopy fig.
UNIT MAINTENANCE 100-FOOT DIAMETER CARGO PARACHUTE CANOPY LINE CONT.

TM-10-1670-280-23P Parachute Cargo Type: 100-Foot Diameter Model G-11B G-11C and G-11D NSN 1670-01-016-7841 Manual
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TM 10-1670-280-23&P                                                       0021 00 UNIT MAINTENANCE 100-FOOT DIAMETER CARGO PARACHUTE CANOPY LINE 0021 00-1 THIS TASK COVERS: Repair Tools Sewing Machine, Medium-Duty (Item 23, WP 0050 00) Materials/Parts Cord, Nylon, Type III (Item 12/13, WP 0059 00) Thread, Nylon, Size E (Item 41/42, WP 0059 00) Webbing, Nylon, Type I, 9/16-IN. Wide (Item 49, WP 0059 00) Personnel Required 92R (10) Parachute Rigger Equipment Condition Cleaned (WP 0008 00). Inspected (WP 0009 00). Unpacked, canopy laid out flat on repair table. References WP 0012 00 GENERAL A canopy line is a length of nylon cord that 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 that 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.   REPAIR 1.    Restitching.    a.    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.    b.    Straight stitching and restitching should be locked by at least two inches at each end of the stitch row when possible.    c.    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 ¼ inch into undamaged stitching at each end, when possible.   d.    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 suspension line or vent line may be spliced one time as follows:







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