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 TM 5-1940-277-20
TM 1940-20/2
REMOVE:
1.
Using needle nose pliers, remove spring (1) from quick-release lever (2) and spring retainer (3).
2.
Untie knot (4) on end of lanyard (5) and remove lanyard from boss (6).
Using 18 mm combination wrench, remove nut (7) spring retainer (3), washer (8), and bolt (9) from tow hook assembly.
3.
4.
Supporting tow hook (10), remove bolt (9) and tow hook (10).
Using pin punch, remove two tubular pins (11) and (12). Remove boss (6) and slotted pin (13) from quick-release
5.
lever (2).
Using 13 mm combination wrench, remove nut (14), bolt (15), and two washers (16) and (17) and remove quick-
6.
release lever.
7.
Using 10 mm combination wrench, remove nut (18) from circular buffer (19). Remove circular buffer.
Using 13 mm combination wrench, remove three socket-head screws (20) securing tow hook bracket (21) to tow
8.
hook body (22). Remove bracket.
Using 30 mm combination wrench and adjustable wrench, remove nut (23) and washer (24) from pin (25). Lift pin
9.
from tow hook body (22).
10.
Remove tow hook body (22) from capstan foundation.
11.
Using 17 mm combination wrench, remove two bolts (26) and nuts (27) from tow hook body (22).
INSTALL:
1.
Locate two bolts (26) and two nuts (27). Using 17 mm combination wrench, screw one nut onto each bolt.
2.
Using 17 mm combination wrench, screw bolts (26) with nuts into tow hook body (22).
Locate tow hook body (22) on capstan foundation and feed pin (25) through capstan foundation and tow hook body (22).
3.
4.
Using 30 mm combination wrench, secure washer (24) and nut (23) on pin (25).
Locate tow hook bracket (21) on tow hook body (22). Using 13 mm combinationwrench, secure tow hook brack-
5.
et (21) with three socket-head screws (20).
Locate circular buffer (19) on tow hook bracket (21). Using 10 mm combination wrench, secure circular buffer with
6.
nut (18).
Locate quick-release lever (2) on tow hook body (22). Using 13 mm combination wrench, secure quick-release lever
7.
with bolt (15), two washers (16) and (17), and nut (14).
Feed slotted pin (13) through tow hook body (22) and quick-release lever (2). Ensure slotted edge is facing down.
8.
Using hammer, drive tubular pin (12) into quick-release lever and slotted pin (13).
Locate tow hook boss (6) on quick-release lever (2). Using hammer, drive tubular pin (11) into quick-release lever
9.
(2) and boss (6).
Locate tow hook (10) on tow hook body (22). Feed bolt (9) through tow hook body and tow hook. Using 18 mm com-
10.
bination wrench, secure washer (8) spring retainer (3) and nut (7) to bolt (9).
11.
Using needle nose pliers, install spring (1) between spring retainer (3) and quick-release fever (2).
Using pocket knife, cut 20 feet of rope for lanyard (5).
12.
Use matches to melt ends of lanyard (5) to prevent fraying.
13.
Tie one knot (4) five inches from end of lanyard (5) to prevent fraying.
14.
Insert same end of lanyard (5) through hole in boss (6) and tie second knot on end so that lanyard does not slide
15.
out of bars.
3-32
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