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 825 of 1168

12-139. AB-652/GR ANTENNA REPLACEMENT

This task covers:

a. Removal

b. Installation

1.

Disconnect antenna cable (7) from adapter (8).

2.

Loosen ground clamp (9) and remove from adapter (8).

3.

Remove adapter (8) from lower insulator (10).

4.

Remove antenna (1), rubber washer (13), ground ring (12), rubber washer (11), and lower

insulator (10) from antenna mounting bracket (5).

5.

Remove four locknuts (6), washers (3), capscrews (2), washers (3), and adapter (4) from antenna

mounting bracket (5). Discard locknuts (6).

1.

Install adapter (4) on antenna mounting bracket (5) with four washers (3), capscrews (2),

washers (3), and locknuts (6).

2.

Install lower insulator (10), rubber washer (11), ground ring (12), rubber washer (13), and

antenna (1) on mounting bracket (5).

3.

Install adapter (8) on lower insulator (10).

4.

Install ground clamp (9) on adapter (8) and tighten.

5.

Connect antenna cable (7) to adapter (8).

b. Installation

a. Removal

INITIAL SETUP:

Applicable Models

M998, M998A1, M1038, M1038A1

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Four locknuts (Appendix G, Item 128)

Manual References

TM 9-2320-280-24P

Equipment Condition

Battery ground cable disconnected

(para. 4-73).

TM 9-2320-280-20-3

Change 2

12-213

FOLLOW-ON TASK: Connect battery ground cable (para. 4-73).