ARMY TM 10-1670-282-23&P
AIR FORCE T.O. 13CS3- 2
NAVY NAVAIR 13-1-33
2-29.
Suspension Line.
This task covers:
a. Repair
b. Replace
Tools:
Equipment Condition:
Knife, Item 5, Appendix B
Inspected (paragraph 2-9, 2-13)
Knife, Hot Metal, Item 6, Appendix B
Cleaned (paragraph 2-12)
Sewing Machine, Zig-Zag, Item 18, Appendix B
Canopy laid flat on repair table
Splice Aid, Item 26, Appendix B
Yardstick, Item 25, Appendix B
Materials/Parts:
Cord, Nylon, Coreless, Type IA, Item 11,
Appendix D
Thread, Nylon, Size E, Items 23/24, Appendix D
a.
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 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.
(2)
Splicing. A suspension line may be spliced one time as follows:
(a)
Cut a length of type IA coreless nylon cord long enough to extend 3 Inches beyond each side of
damaged area. Sear or wax each end of cord 1/2 Inch In accordance with paragraph 2-18.
(b)
Center cord length over damaged area. Using a zig-zag sewing machine and size E nylon thread,
secure splice by stitching a 1/8-inch wide row of double-throw zlg-zag stitching the full length of splice,
extend stitching 1/2 Inch beyond each end. Stitching will be 7 to 11 stitches per Inch (para. 2-17).
b.
Replace. Replace an unserviceable suspension line by fabricating as follows:
(1)
At the canopy skirt, remove the suspension line upper end by cutting the stitching which secures the line
within the reinforcing loop and to the radial tape.
(2)
At the riser, remove the suspension line reinforcement from the applicable riser strap by cutting the stitching
which secures the reinforcement over the lower end of the applicable suspension line group.
(3)
Cut the stitching which secures the suspension line lower end to the riser strap and remove the line lower end
to complete removal of the original suspension line from the canopy.
2-82
