TM-9-2320-280-20-3
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 3 OF 3
JANUARY 1996
TM-9-2320-280-20-3 - Page 364 of 1168
TM 9-2320-280-20-3
11-114
Change 2
11-75. TOW MISSILE RACK MAINTENANCE (Cont'd)
8.
Connect two extension springs (36) to spring brackets (35). Extend springs (36) to base
assembly (21) and install with two washers (34), pins (41), washers (34), and cotter pins (33).
Install intermediate supports (25) on base assembly (21) with two lower tension latches (30).
9.
Install connector bar (37) on upper supports (29) with two washers (27), capscrews (31),
washers (27), and locknuts (26). Tighten locknuts (26) to 6 lb-ft (8 N
•
m).
10.
Install two tension latches (30) on upper supports (29) with four washers (23), screws (22),
washers (23), and locknuts (28).
11.
Install upper supports (29) on intermediate rack assemblies (25) with two pins (38), washers (40),
and cotter pins (39).
NOTE
Shims are installed under each bumper on front end of missile
rack, but only as needed under bumpers on rear end of missile
rack.
12.
Install shims (43) and four bumpers (42) on upper rack assembly (4) with four washers (5),
capscrews (32), washers (5), and locknuts (6).
13.
Install two latch strikes (3) on upper rack assembly (4) with four washers (2), screws (1),
washers (2), and locknuts (44).
14.
Install upper rack assembly (4) and four washers (12) on base assembly (21) with two washers (18),
pins (20), torsion springs (19), washers (18), and cotter pins (17). It may be necessary to slowly
install pins (20) while installing washers (12) between upper rack assembly (4) sides and base
assembly (21) channels.
15.
Install lanyard (24) on upper rack assembly (4) and base assembly (21) with two washers (14),
capscrews (16), spacers (15), washers (14), and locknuts (13).
16.
Install four strap assemblies (9) on upper rack assembly (4) with eight pins (10), washers (8),
and cotter pins (7).
17.
Lift upper rack assembly (4) all the way up, and place one end of torsion springs (19) underneath
pad supports (11), and other end of torsion springs (19) on inner rack side of pins (41), ensuring
washers (34) are on outside of spring (19) ends. Lower upper rack assembly (4) and secure with two
tension latches (30).
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