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 305 of 828

TM 9–2350–311–20–2

5–47

5–19 REPLENISHER ACCUMULATOR ASSEMBLY

This task covers:

a.

Removal

b.

Inspection

c.

Installation

d.

Service

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Torque wrench (item 18, Appx H)

Utility pail (item 7, Appx H)

Materials/Parts

Adhesive (item 1, Appx D)

Hydraulic fluid, OHT (item 21, Appx D)

Preformed packings (2) (item 46, Appx G)

Sealing compound, grade C (item 31, Appx D)

Self-locking nuts (4) (item 183, Appx G)

Personnel Required

2

References

TM 9–2350–311–10

a.

Removal

WARNING

•

Wear safety glasses and steel-tipped safety shoes to avoid possible injury while handling equipment.

•

Dry nitrogen tanks are marked with one or two black bands at the top of the tank. Do not use tanks

without black band. In charging replenisher accumulator, use dry nitrogen. Certain other gases will

cause accumulator replenisher to explode, resulting in possible death or serious injury.

NOTE

Replenisher accumulator procedures can be performed while mount and cannon are installed in vehicle.

1

Relieve hydraulic pressure from replenisher accumulator by opening left-hand bleeder plug (1) on buffer coupling

block (2). Catch hydraulic fluid in a utility pail.

2

1