TM 9-2320-280-20-3
11-157. ATTENDANT SEAT MAINTENANCE
This task covers:
a. Removal
c. Assembly
b. Disassembly
d. Installation
INITIAL SETUP:
Applicable Models
Materials/Parts
M996, M996A1, M997, M997A1, M997A2
Two cotter pins (Appendix G, Item 25)
Two locknuts (Appendix G, Item 85)
Tools
General mechanic’s tool kit:
Manual References
automotive (Appendix B, Item 1)
TM 9-2320-280-24P
N O T E
l The attendant seat assemblies are similar for M996, M996A1, M997,
M997A1, and M997A2 ambulances with the following exceptions:
— The M996 and M996A1 ambulance attendant seat must be removed
from forward ends of attendant seat rails.
— The M997, M997A1, and M997A2 ambulance attendant seat must
be removed from rearward ends of attendant seat rails.
Push seat latch (3) to release locking mechanism and slide seat (1) to end of seat rails (2). Remove
seat (1) from rails (2).
b. Disassembly
1. Remove two locknuts (7), capscrews (6), and seatbelt (4) from seat base (8). Discard locknuts (7).
2. Remove socket head screw (15), washer (16), washer (17), handle (18), and nylon washer (11) from
seat base (8).
3. Remove two cotter pins (12), washers (14), clevis pins (10), and handle (18) from latch rods (9).
Discard cotter pins (12).
4. Disconnect spring (13) from handle (18) and seat base (8) and remove spring (13).
5. Remove four screws (19) and cushion (5) from seat base (8).
1. Install cushion (5) on seat base (8) with four screws (19).
2. Install latch rods (9) on seat base (8).
3. Connect latch rods (9) to handle (18) with two clevis pins (10), washers (14), and cotter pins (12).
4. Install handle (18) and nylon washer (11) on seat base (8) with washer (17), washer (16), and socket
head screw (15).
5. Connect spring (13) to handle (18) and seat base (8).
6. Install seatbelt (4) on seat base (8) with two capscrews (6) and capscrewS (7). Tighten locknuts (7) to
60 lb-ft (81 N.m).
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