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Section VI. REPAIR | Up
TM-10-1670-282-23P Parachute Cargo Type: 34-Foot Diameter Model G-14 Low-Velocity Cargo Parachute NSN 1670-00-999-2608 Manual | Next
Table 2-2. Sewing Machine Code Symbols |
ARMY TM 10-1670-282-23&P
AIR FORCE T.O. 13C5-30-2
NAVY NAVAIR 13-1-33
2-17.
Sewing Procedures.
This task covers:
a. Basting and Temporary Tacking
c. Darning
b. Stitching and Restitching
e. Zig-Zag Sewing
Tools:
Equipment Condition:
Specified in paragraph applicable to the
Unpacked. Canopy with defects recorded and clean.
item being repaired.
Materials/Parts:
Specified in paragraph applicable to the
item being repaired.
CAUTION
When performing repair on a G-14 parachute that requires cutting of stitching or original
part, ensure that adjacent material is not damaged during the cutting process.
NOTE
Sewing requirements will vary according to the type of item being repaired and the type of
repair being made. The type of sewing machine, type of thread, the stitch range, and the
stitch pattern, if applicable, required to accomplish a sewing procedure will be specified in
the paragraph applicable to the Item being repaired. All original stitching that is cut during
the performance of a sewing procedure will be removed from the applicable item.
Immediately after the accomplishment of a machine sewing procedure, trim thread ends
to a point as close as possible to the material which has been sewn.
a.
Basting and Temporary Tacking. Basting and temporary tacking are hand-sewing methods used to
temporarily hold layers of cloth fabric together while a repair is being performed. The following is a list of procedures which
apply to basting and temporary tacking actions:
(1)
Basting and temporary tacking should be made using thread which is of a contrasting color to the
material being worked.
(2)
On small cargo parachute canopies, basting will be made using a single strand of size A nylon thread or
ticket no. 24 cotton thread.
(3)
When basting, do not tie knots at any point in the thread length. The sewing should be made with two
stitches per inch.
(4)
Temporary tacking will usually be made using a length of size E nylon thread. However, an alternate
type thread may be specified within the paragraph applicable to the item.
(5)
Immediately upon completion of a repair, remove previously made basting or temporary tacking stitches.
2-53
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