ARMY TM 10-1670-282-23&P
AIR FORCE T.O. 13C530-2
NAVY NAVAIR 13-1-33
2-22.
Vent Lines.
This task covers:
a. Repair
b. Replace
Tools:
Equipment Condition:
Knife, Hot Metal, Item 6, Appendix B
Inspected (paragraph 2-9)
Knife, Item 5, Appendix B
Cleaned (paragraph 2-12)
Pot, Melting, Item 14, Appendix B
Unpacked, canopy in proper layout
Sewing Machine, Zig-Zag Item 18, Appendix B
Shears, Item 15, Appendix B
Yardstick, Item 25, Appendix B
Materials/Parts:
Coreless, Nylon, Type IA, Item 11, Appendix D
Marking Aid, Item 15/16, Appendix D
Thread, Nylon, Size E, Items 23/24, Appendix D
a.
Repair.
(1)
Restitch. Using a zig-zag sewing machine, restitch broken or loose stitching according to original
pattern using size E nylon thread.
(2)
Splicing.
NOTE
A damaged vent line may be spliced only once.
(a)
Using a marking aid, mark the canopy at each end of original vent line.
(b)
Cut a length of type IA coreless nylon cord, long enough to extend 3-inches beyond damage, on
each side. Wax the ends.
(c)
Center the cord over damage and secure the splice by stitching a 1/8-inch wide row of double-
throw zig-zag stitching the full length of the splice. Stitch according to specifications in table 2-3.
b.
Replace. Replace an unserviceable vent line as follows:
CAUTION
When removing original vent line, avoid cutting into radial tape.
(1)
Remove original vent line by cutting the stitching securing it to the radial tape and vent reinforcement
(upper lateral band).
(2)
Cut 18-inch length of type I A coreless nylon cord and wax ends.
2-64
