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 650 of 828

TM 9–2350–311–20–2

17–12

17–3 M2A2 AIR PURIFIER AND BRACKET — CONTINUED

f.

Installation

1

Position angle bracket (14) on right front cab wall and secure with four new lockwashers (13) and four cap

screws (12).

2

Install ground lead (5) on top of M2A2 air purifier (9) using new lockwasher (8) and machine screw (7).

3

Lift strap (11), install M2A2 air purifier (9) in angle bracket (14) and secure with strap.

4

Install remaining end of ground lead (5) at M27 periscope box (6) using new lockwasher (4) and cap screw

(3).

5

Plug NBC power lead assembly (10) into connector (19) on lower side of M2A2 air purifier (9).

6

Connect four hoses (1) to air outlets (2).

1

2

7

8

5

11

10

6

3

4

5

14

13

12

9

19