TM 9-2350-277-20-4REPLACE COMMANDER’S JUMP SEAT (M113A3 ONLY) — Continued 0563 00NOTERemove splined nut(s) only if damaged.4. If splined nut(s) (10) need to be replaced, drive old splined nuts out of seat (2). Discard nuts.5. Remove spring (1) from support (2) and large cotter pin (3).6. Remove cotter pin (3) from post (4). Discard cotter pin.7. Remove two cotter pins (5) from pin (6). Remove pin from support (2). Discard cotter pins.8. Remove two cotter pins (7) from pin (8). Remove pin (8), two washers (9), and support (2) from bracket (10). Discardcotter pins.9. Remove two nuts (11), screws (12), backrest support (13), and bracket (10) from post (4).0563 00-2
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