TM 10-1670-327-23&P
UNIT MAINTENANCE
MC-6 PERSONNEL PARACHUTE SYSTEM
NSN 1670-01-527-7537
MAIN RISER GUIDE CHANNELS
REPAIR, REPLACE
INITIAL SETUP:
Tools
Personnel Required
Knife (Item 26, WP 0097 00)
92R (10) Parachute Rigger
Needle, Tacking (Item 32, WP 0097 00)
Riser Tension Plate (Item 45, WP 0097 00)
Screwdriver, Flat-tip, 1/4-inch (Item 49, WP 0097
Sewing Machine, Medium Duty (Item 59, WP
Materials/Parts
Equipment Condition
Thread, Nylon, Size E (Item 51, WP 0109 00)
Lay out on packing table or other suitable area.
Tape, Nylon, Type Ill, Class 1, 1/2-inch wide
(Item 43, WP 0109 00)
REPAIR
Repairing a damaged control line guide channel.
Restitching. Restitch main risers using a light duty sewing machine and size E nylon thread that
contrasts the color of the original stitching and material when possible. Restitch directly over the original
stitch pattern as closely as possible with 7 to 11 stitches per inch.
REPLACE
Replace a control line guide channel. Replace a damaged or missing control line guide channel by
fabricating as follows:
1. If applicable, remove the original control line guide channel from the riser by cutting the stitching and
securing the channel to the riser.
2. Cut a 5-inch length of 1-1/2-inch wide, Type III, nylon tape and sear the ends.
3. Make a 1/2-inch long fold-back on each end of the tape.
4. Secure each fold-back by making three rows of stitching across the tape width at a point 1/8-inch
back from the seared edged of the fold-back; lock the stitching ends back 1/2-inch.
5. Stitching will be made using a medium-duty sewing machine and size E, nylon thread; use details in
WP 0017 00, Table 2.
6. Position the stitched tape lengthwise on the riser in the original channel location IAW figure 1.
7. Form the control line channel by securing the tape to the riser with a single row of stitching made 1/8-
inch along each edge of tape.
8. Overstitch each end of the tape by 1/4-inch.
9. Refer to figure 1 to assist in the replacement of the control line guide channel.
10. The stitching will be made using the specifics in WP 0017 00.
0043 00-1