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 483 of 828

TM 9–2350–311–20–2

8–59

d.

Testing

Using multimeter, test electrical circuit for continuity.

e.

Installation

26

Aline four screw holes on box mount (5) with screw holes on gunner’s selector switch box assembly (2).

27

Install four flat washers (4) and four cap screws (3).

28

Connect J2 connector harness (1), wire 100, to gunner’s selector switch box assembly (2).

4

3

5

1

2

13

14

15

16

18

19

21

20

17

10

9

8

6

7

12

11

2