TM 10-1670-299-20&P
TO 14D1-2-470-2
NAVAIR 13-1-41
(8) Chest Tiedown Assembly. Replace a damaged tiedown strap, D-Rings, grommet, Type III nylon loop, or
chape as follows:
(a) Chest tiedown strap. Replace a damaged or missing tiedown strap (1) as follows:
1 Remove the damaged strap (1) from the D-Rings (2) and chape.
2 Cut a 36 inch length of Type III nylon webbing, sear one end, and stitch a 4-inch loop (3) in the other
end using two bartacks. Use size E thread, 6 to 11 stitches per inch and a type MD sewing machine.
3 Route the replacement webbing through the D-Rings (2).
(b) D-Rings, and Type III nylon loop. Replace damaged D-Ring (2), and/or Type III nylon loop (4) as follows:
1 Remove tiedown strap (1) from pack and set aside. Cut stitching on the chape (5) and remove and
discard damaged D-Ring, and/or Type III nylon loop. Replace damaged Type III nylon loop (4) with a 5 inch piece of
Type III nylon cord, red 21105. Replace a damaged D-Ring (2) with serviceable D-Ring of the same type.
2 Sew to pack as shown and with box x stitch. Use size E thread, 6 to 11 stitches per inch and a type
MD sewing machine.
(c) Chape (5) and grommet (6). Replace damaged chape and grommet as follows:
1 Remove tiedown strap (1) from pack and set aside. Cut stitching on the chape (5) and remove chape
from D-Rings (2) and Type III nylon loop. Set components aside.
2 Cut an 8-1/8 inch length of Type III nylon webbing, fold over two D-Rings and Type III nylon loop.
Remove damaged grommet and install a new one as described in paragraph 2-13.
3 Hand tack and position the replacement chape as shown.
4 Route tiedown strap around D-Rings.
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