TM 10-1670-299-20&P
TO 14D1-2-470-2
NAVAIR 13-1-41
(14) Extension Sling. Replace damaged extension sling, D-Ring, and 4 inch length of Type X nylon webbing as
follows:
(a) D-Ring and 4 inch nylon webbing. Replace damaged D-Ring (1) and 4 inch nylon webbing (2) as follows:
1 Cut stitching from hook fastener (3) on D- Ring end of extension sling (4), remove and set aside
fastener. Cut stitching (5) that supports D-Ring (1) and 4 inch nylon webbing (2) and remove D-Ring and webbing.
Replace D-Ring (1) with a serviceable item. Replace 4 inch webbing with a 4 inch length of Type X woven nylon
webbing.
2 Sew D-Ring and hook fastener to extension sling as shown using size 3 thread, 5 to 8 stitches per inch
and a type HD sewing machine.
(b) Extension sling (6) and retaining strap (7). Replace damaged extension sling and retaining strap as
follows:
1 Cut extension sling (6) from pack body (8).
2 Follow step (a) above for replacing D-Ring and 4 inch webbing except discard damaged extension
sling (6) and replace with 78 inch length of 1 inch woven nylon webbing. Replace 3 1/2 inch webbing retainer (7) with a 3
1/2 inch length of Type II woven nylon webbing.
3 Sew sling as shown and as in (a) 2 above.
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