TM 10-1670-272-23&P 0031 00
UNIT MAINTENANCE
MC1-1B/MC1-1E TROOP BACK PARACHUTE ASSEMBLY
HARNESS ASSEMBLY
0031 00-1
THIS TASK COVERS:
Repair
Replace
INITIAL SETUP:
Equipment Condition
Harness cleaned, and inspected with defects
recorded.
Tools
Brush, Artist’s (Item 33, WP 0044 00)
Hammer, Ball Peen (Item 9, WP 0044 00)
Knife (Item 13, WP 0044 00)
Pliers, Needle Nose (Item 23, WP 0044 00)
Sewing Machine, Light-Duty (Table 1,
WP 0012 00)
Sewing Machine, Medium-Duty (Table 1,
WP 0012 00)
Sewing Machine, Heavy-Duty (Table 1,
WP 0012 00)
Shears (Item 28, WP 0044 00)
Tester, Spring Scale (Item 30, WP 0044 00)
Personnel Required
92R(10) Parachute Rigger
References
Group No. 04, MAC (WP 0050 00); WP 0014 00
Materials/Parts
Cloth, Duck, Nylon, Type III (Item 8, WP 0057 00)
Felt, Type I, 3/16-inch-thick (Item 20, WP 0057 00)
Kit, Canopy Release (Item 23, WP 0057 00)
Paint, Enamel, Flat, Red (Item 27, WP 0057 00)
Paint, Enamel, Flat, Yellow (Item 28,WP 0057 00)
Rubber, Cellular, ½-IN Thick (Item 35, WP 0057 00)
Tape, Nylon, Type III, 1-IN. Wide, OD (Item 50,
WP 0057 00)
Tape, Lacing, Tying (Item 42, WP 0057 00)
Thread, Nylon, Size E (Item 53/56, WP 0057 00)
Thread, Nylon, Size 6 (Item 58, WP 0057 00)
Webbing, Nylon, Type I, 9/16-IN. Wide (Item 67,
WP 0057 00)
Webbing, Nylon, Type XIII (Item 71, WP 0057 00)
Webbing, Elastic, 1-IN. Wide (Item 60,
WP 0057 00)
REPAIR
The following repairs may be made to the harness assembly:
1. Hand tacking. Hand tack loose or broken tacking according to the original construction.
2. Restencilling. Restencil the harness as necessary, according to the instruction in WP 0014 00.
3. Repainting canopy release. Replace the chipped paint on the female fitting of the canopy release with
red enamel paint.
4. Restitching. Restitch with thread that matches the size and color of the original stitching. Lock all
straight stitching by back stitching at least ½-inch. Restitch directly over the original stitching; follow
the original stitch pattern as closely as possible.
REPLACE
Replace components of the harness assembly in accordance with the following procedures:
1. Elastic retainer webbing. Replace as follows:
a. Cut the damaged retainer and remove from the harness.
