TM 10-1670-272-23&P 0029 00
e. Secure the formed retaining strap with the guide ring, to the riser, using a medium-duty sewing
machine and size E, nylon thread as illustrated above, and using details in WP 0012 00, tables 1
2. Repairing a control line channel. Repair a damaged or missing control line channel by fabricating as
a. If applicable, remove an original control line channel from a riser by cutting the stitching securing
the channel to the riser.
b. Cut a 5-inch length of 1½-inch-wide, type III, nylon tape; sear the ends.
c. Make a ½-inch-long fold-back on each end of the tape. Secure each fold-back by making a single
row 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 by ½-inch. Stitching will be made using a medium-duty sewing
machine and size E, nylon thread; use details in WP 0012 00, tables 1 and 2.