TM-9-2350-311-20-2

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993

TM-9-2350-311-20-2 - Page 544 of 828

TM 9–2350–311–20–2

12–4

Change 2

12–2 ADAPTER ARM ASSEMBLY

This task covers:

a.

Disassembly

b.

Assembly

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

References

TM 9–2350–311–10

NOTE

When machine gun is not installed, adapter arm assembly is stored in oddment tray inside cab.

a.

Disassembly

1

Pull quick-release pin (1) from connecting link (2) and connecting link (3).

2

Pull quick-release pin (4) from connecting link (2) and if necessary disassemble adapter arm assembly (5)

by removing chain assembly (6) from machine gun mount (7), quick-release pin, and connecting link.

b.

Assembly

1

If necessary assemble adapter arm assembly (5) by installing chain assembly (6) on machine gun mount

(7), quick-release pin (4), connecting link (2). Push quick-release pin into connecting link through machine

gun mount.

2

Push quick-release pin (1) into connecting link (2) and connecting link (3).

1

7

3

4

6

2

5