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 467 of 828

TM 9–2350–311–20–2

8–43

a.

Removal

1

Disconnect connector (1) from NBC control box assembly (2).

2

Disconnect connector (3), wire 135, from M2A2 air purifier (4).

3

Disconnect connector (5), wire 136A, from gunner’s M3 electrical air heater.

4

Disconnect connector (6), wire 136B, from cannoneer no. 1’s M3 electrical air heater.

5

Disconnect connector (7), wire 136C, from assistant gunner’s M3 electrical air heater.

6

Disconnect connector (8),wire 136D, from section chief’s M3 electrical air heater.

7

Carefully remove NBC power lead assembly (9) from hose mounting hardware.

2

1

4

3

3

7

6

8

5

1

9