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 737 of 828

TM 9–2350–311–20–2

19–29

13

Slowly open angle valve (12) to release pressure in nitrogen charging assembly (7). Remove angle valve

(10) from valve (5).

14

Install air valve cap (3) on valve (5).

15

Close shutoff valve (13) on nitrogen cylinder (9).

16

Remove nitrogen charging assembly (7) from nitrogen cylinder (9) and secondary accumulator assembly

(6).

17

Install gage (8) on nitrogen charging assembly (7).

18

Install retaining strap (2) and two cap screws (1).

8

11

14

15

2

1

3

6

13

9

7

12

5

4

10