TM 9-2320-280-20-3
11-161. LITTER RAIL EXTENSION REPLACEMENT
This task covers:
a. Disassembly
b. Assembly
lNITIAL SETUP:
Applicable Models
Manual References
M996, M996A1, M997, M997A1, M997A2
TM 9-2321-280-10
Tools
TM 9-2320-280-24P
General mechanic’s tool kit:
Equipment Condition
automotive (Appendix B, Item 1)
Litter rail extension removed from stowage
Materials/Parts
compartment (TM 9-2320-280-10).
Eight locknuts (Appendix G, Item 65)
Eight locknuts (Appendix G, Item 106)
Twenty-two rivets Appendix G, Item 190)
Twenty rivets (Appendix G, Item 193)
NOTE
For instructions on replacement of rivets, refer to para. 10-66.
a. Disassembly
1.
2.
3.
4.
5.
6.
7.
8.
Remove two locknuts (18), washers (15), capscrews (14), washers (15), support feet (17), and tubes (16)
from support legs (12). Discard locknuts (18).
Remove four locknuts (21), washers (22), capscrews (24), washers (22), and strap assembly (23)
from two support legs (12). Discard locknuts (21).
NOTE
Note locations of capscrews for installation.
Remove four locknuts (20), washers (19), capscrews (26), washers (19), and hinge braces (25) from
support legs (12). Discard locknuts (20).
Remove four locknuts (30), washers (29), capscrews (27), and two hinges (28) from four hinge braces (25).
Discard locknuts (30).
Remove two locknuts (10), washers (8), capscrews (7), washers (8), support legs (12), and tubes (9)
from rails (6). Discard locknuts (10).
Remove four rivets (13) and two leg stops (11) from support legs (12).
Remove eight rivets (1) from ends of two extension rail skids (2). Remove twenty-two rivets (3) and
two skids (2) from extension rails (6).
Remove eight rivets (5) and two hooks (4) from extension rails (6).
I
b. Assembly
1.
2.
3.
4.
5.
6.
7.
8.
9.
11-238
Install two hooks (4) and ends of skids (2) on extension rails (6) with eight rivets (5).
Install two skids (2) to extension rails (6) and secure to ends with eight rivets (1).
Install skids (2) on extension rails (6) with twenty-two rivets (3).
Install two leg stops (11) on support legs (12) with four rivets (13).
Install two support legs (12) and tubes (9) on rails (6) with two washers (8), capscrews (7),
washers (8), and locknuts (10). Tighten locknuts (10) to 6 lb-ft (8 N-m).
Install four hinge braces (25) on two hinges (28) with four capscrews (27), washers (29), and locknuts (30).
Install four hinge braces (25) on two support legs (12) with four washers (19), capscrews (26),
washers (19), and locknuts (20). Tighten locknuts (20) to 15 lb-ft (20 N-m).
Install strap assembly (23) on two support legs (12) with four washers (22), capscrews (24),
washers (22), and locknuts (21). Tighten locknuts (21) to 6 lb-ft (8 Nom).
Install two support feet (17) and tubes (16) on support legs (12) with two washers (15), capscrews (14),
washers (15), and locknuts (18). Tighten locknuts (18) to 6 lb-ft (8 N-m).
