TM 10-1670-277-23&P 0042 00
UNIT MAINTENANCE
28-FOOT DIAMETER CARGO EXTRACTION PARACHUTE
DEPLOYMENT BAG CLOSING LOOP
0042 00-1
THIS TASK COVERS:
Repair
Replace
Tools
Knife (Item 5, WP 0056 00)
Knife, Hot Metal (Item 6, WP 0056 00)
Sewing Machine, Medium-Duty (Item 22, WP 0056 00)
Sewing Machine, Heavy-Duty (Item 20, WP 0056 00)
Shears (Item 24, WP 0056 00)
Yardstick (Item 26, WP 0056 00)
Materials/Parts
Thread, Nylon, Size 3 (Item 24/25, WP 0065 00)
Webbing, Nylon, Type VIII, 123/32-IN. (Item 42, WP 0065 00)
Personnel Required
92R (10) Parachute Rigger
Equipment Condition
Cleaned (WP 0008 00).
Inspected (WP 0009 00).
References
WP 0012 00, WP 0013 00
REPAIR
Using a medium-duty sewing machine, stitch and restitch with size 3, nylon thread that matches the color of
the original stitching, when possible. Lock all straight stitching by backstitching at least ½-inch. Restitch by
overstitching each end of the stitch formation by ½-inch. Restitch directly over the original stitching, following
the original stitch pattern as closely as possible. Stitch according to WP 0012 00 and Table 2, WP 0012 00,
SEWING PROCEDURES.
REPLACE
Replace a damaged bag closing loop by fabricating as follows:
1. Remove original closing loop by cutting loop webbing flush along edge of bag end reinforcement.
2. Cut a 9½-inch length of 123/32-inch wide, type VIII nylon webbing, sear ends according to WP 0013 00,
SEARING AND WAXING.
3. Mark webbing length at a point 2¾-inches from each end.
4. Between two marks made in 3. above, roll webbing edges into center of webbing width and secure each
rolled edge by stitching a 4-inch long row of stitching according to details in the illustration below.
Stitching will be made with a medium-duty sewing machine, 7 to 11 stitches per inch and size 3 nylon
thread.
Construction Details