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 341 of 828

TM 9–2350–311–20–2

6–25

6–9

ACCUMULATOR ASSEMBLY (MANUAL PUMP)

This task covers:

a.

Removal

b.

Service

c.

Installation

d.

Testing

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Tire pressure gage (item 2, Appx H)

Utility pail (item 7, Appx H)

Equipment Condition

Discharge hydraulic pressure (para 6–3)

a.

Removal

NOTE

Dispose of hydraulic fluid in accordance with local regulations.

1

Loosen hex nut (1) and clinch sleeve (2) and disconnect hydraulic line at base of accumulator (3). Drain hy-

draulic fluid from accumulator into a utility pail.

2

Loosen nut (4), open loop clamp (5), and lift out accumulator (3).

3

Inspect loop clamp (5) for damage and serviceability. If defective, perform step 4 to replace loop clamp.

4

Remove two cap screws (6) and loop clamp (5).

b.

Service

Service manual pump accumulator assembly (para 19–3).

3

4

1

2

5

6