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 722 of 828

TM 9–2350–311–20–2

19–14

Change 2

19–3 ACCUMULATOR ASSEMBLY, MANUAL PUMP — CONTINUED

a.

Service (Method One) — Continued

17

Install air valve cap (4) and accumulator cap (3).

18

Close nitrogen cylinder (2) shutoff valve (12) by turning clockwise.

19

Remove regulator (1) from nitrogen cylinder (2).

20

Connect elevating cylinder hydraulic lines to locking valve and tighten hex nuts if accumulator is mounted in

vehicle.

21

Refill, charge and bleed hydraulic system (para 6–3).

4

3

1

12

2