TM-9-2350-311-10

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

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 521 of 775

TM 9-2350-311-10

4-4 M2 CALIBER .50 MACHINE GUN AND MOUNT

Do not remove rear pin assembly if M2 caliber .50 machine gun is not installed in mount. Serious

injury to personnel could result.

a. Removal

1

Remove rear pin assembly (1), front pin assembly (2), and M2 caliber .50 machine gun (3) from mount

(4).

2

Remove travel lock pin assembly (5) from travel lock (6). Secure travel lock pin assembly to mount

support (7).

3

Rotate manual control lever (8) so manual control lever handle points down and remove mount (4) from

mount support (7).

b. Installation

1

Install mount (4) into mount support (7). Rotate manual control lever (8) so manual control lever handle

points up.

2

Remove travel lock pin assembly (5) from mount support (7) and install into travel lock (6).

3

Install M2 caliber .50 machine gun (3) in mount (4). Install front pin assembly (2) and rear pin assembly

(1).

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