TM 9-2320-280-20-3
11-99. GUN MOUNT SUPPORT (40 MM) REPLACEMENT
I
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Materials/Parts
M1025. M1025A1, M1025A2, M1026,
Four locknuts (Appendix G, Item 58)
M1026A1, M1043; M1043A1; M1043A2,
M1044, M1044A1
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
Rear end of cargo shell door raised
(TM 9-2320-280-10).
a. Removal
1. Remove four capscrews (11), washers (10), and bracket (12) from mounting plate (7).
2. Remove two locknuts (8), washers (3), capscrews (4), washers (3), and pad (1) from brace (9) and
bracket (12). Discard locknuts (8).
3. Remove two locknuts (2), washers (6), screws (5), and brace (9) from bracket (12). Discard
locknuts (2).
b. Installation
1. Install brace (9) on bracket (12) with two screws (5), washers (6), and locknuts (2). Tighten
locknuts (2) to 6 lb-ft (8 N~m).
2. Install pad (1) on bracket (12) and brace (9) with Two washers (3), capscrews (4), washers (3), and
locknuts (8). Tighten locknuts (8) to 6 lb-ft (8 N=m).
3. Install bracket (12) on mounting plate (7) with four washers (10) and capscrews (11). Tighten
capscrews (11) to 26 lb-ft (35 N-m).
FOLLOW-ON TASK: Close cargo shell door (TM 9-2320-280-10).
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