TM-9-2320-280-20-3

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 3 OF 3

JANUARY 1996

TM-9-2320-280-20-3 - Page 392 of 1168

11-99. GUN MOUNT SUPPORT (40 MM) REPLACEMENT

This task covers:

a. Removal

b. Installation

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).

INITIAL SETUP:

Applicable Models

M1025, M1025A1, M1025A2, M1026,

M1026A1, M1043, M1043A1, M1043A2,

M1044, M1044A1

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Four locknuts (Appendix G, Item 70)

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).

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).

TM 9-2320-280-20-3

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