TM 9-2320-280-20-3
11-21. CARGO SHELL DOOR GAS SPRING MAINTENANCE (Cont’d)
3. Remove two locknuts (1), washers (2), and gas spring assembly (4) from cargo door (3) and body
bracket (5). Discard locknuts (1).
1. Remove inner spring tube (6) from outer spring tube (13).
2. Remove two retaining rings (8) from ball studs (11) and rod sockets (12). Remove two ball
studs (11) from rod sockets (12). Discard retaining rings (8).
3. Remove two clamps (10) from bushings (9) and spring rods (7) and (14). Pull spring rods (7)
and (14) out of tubes (6) and (13) 1-inch (2.54 cm), and remove two bushings (9).
WARNING
Do not attempt to remove gas cylinders from inner spring rod or
outer spring rod. High internal pressure will cause cylinder to
explode, resulting in injury to personnel.
4. Pull inner spring rod (7) from inner tube (6) and outer spring rod (14) nom outer tube (13).
1. Install longer outer spring rod (14) on outer tube (13), leaving about 1-inch (2.54 cm) of the small
diameter portion of the rod (14) exposed to install bushing (9).
2. Install bushing (9) on outer spring rod (14). Ensure bushing (9) is fully seated on outer
tube (13) and rod socket (12) end is fully seated on bushing (9). Install and tighten clamp (10).
3. Place grease in rod end socket (12), and install ball stud (11) on socket (12) with retaining ring (8).
4. Repeat steps 1-3 for inner tube (6) and inner spring rod (7).
5. Install inner tube (6) into outer tube (13).
e. Installation
1. Install gas spring (4) on body bracket (5) and cargo door (3) with two washers (2) and locknuts (1).
Tighten locknuts (1) to 15-20 lb-ft (20-27 N.m).
2. Install footman loop (16) and cargo door strap (17) on cargo door (3) with two screw-assembled
lockwashers (15).
3. Install two retention cables (21) on cargo door (3) with two shoulder bolts (20), washers (19), and
locknuts (18). Tighten locknuts (18) to 85-110 lb-in. (10-12 Nom).
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