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 322 of 1168

11-51. WEAPON STATION HATCH TUBE ASSEMBLY REPLACEMENT

This task covers:

a. Removal

b. Installation

a. Removal

Remove ten locknuts (5), washers (1), capscrews (2), washers (1), hatch tube (4), and five spacers (6), if

installed, from weapon station (3). Discard locknuts (5).

NOTE

• Note locations of capscrews for installation.

• Later production vehicles are equipped with spacers.

INITIAL SETUP:

Applicable Models

All models except M996, M996A1, M997,

M997A1, M997A2, M998, M998A1, M1035,

M1035A1, M1035A2, M1037, M1038, M1038A1,

M1042, M1097, M1097A1, M1097A2

b. Installation

Install five spacers (6), if removed, and hatch tube (4) on weapon station (3) with ten washers (1),

capscrews (2), washers (1), and locknuts (5). Tighten locknuts (5) to 37 lb-ft (50 N

•

m).

NOTE

TOW mount pedestal and TOW MGS pan/armament cover and

armament mount panel must be in place prior to installing

weapon station hatch tube assembly.

TM 9-2320-280-20-3

11-72

Change 2

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Ten locknuts (Appendix G, Item 128)

Manual References

TM 9-2320-280-24P