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 451 of 828

TM 9–2350–311–20–2

8–27

NOTE

Step 3 applies to M109A4/M109A5 howitzers only.

3

Connect connector (4) at NBC control box.

4

Connect connector (3), wire 100, at gunner’s selector switch box assembly.

5

Connect lug terminals (2) at contact arm assemblies.

6

Connect female connector (1), wire 100, at power relay box assembly.

3

2

3

2

1

4

2

2

2

2

1

1

2

2

2

3

5 CONTACT ARM ASSEMBLY ON M109A4/M109A5 HOWITZERS

5 CONTACT ARM ASSEMBLY ON M109A2/M109A3 HOWITZERS

3 CONTACT ARM ASSEMBLY ON M109A3 HOWITZERS