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 619 of 828

TM 9–2350–311–20–2

15–13

Section III.

STOWAGE BRACKETS

15–5 COLLIMATOR BRACKET ASSEMBLY AND RACK SUPPORT

This task covers:

a.

Removal

b.

Installation

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Materials/Parts

Lockwashers (4) (item 81, Appx G)

Equipment Condition

Collimator removed from collimator bracket assembly

and rack support

a.

Removal

1

Remove two cap screws (1), two lockwashers (2), and two flat washers (3) from collimator bracket assembly

(4). Remove collimator bracket assembly from cab. Discard lockwashers.

2

Remove two cap screws (5) and two lockwashers (6) from rack support (7). Remove rack support from cab.

Discard lockwashers.

b.

Installation

1

Position rack support (7) to cab using two new lockwashers (6) and two cap screws (5).

2

Install collimator bracket assembly (4) to cab using two flat washers (3), two new lockwashers (2), and two

cap screws (1).

1

6

5

4

2

3

7