TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 451 of 775

TM 9-2350-311-10

3-6

ARMAMENT AND CAB MAINTENANCE — CONTINUED

3-6.6

Replenisher Accumulator Assembly

a. Filling M3 Oil Gun

To prevent damage to equipment, make sure M3 oil gun is filled with hydraulic fluid per Appendix

G and not lubricating oil.

Turn handle (1) of M3 oil gun (2) counterclockwise as far as it will go. Loosen locking screw (3) on head

(4) of M3 oil gun.

Unscrew and remove head (4) and handle (1) as a unit from body (4.1). Be sure cap (5) is on M3 oil gun

(2).

Do not clean body of M3 oil gun with solvent.

Inspect inside of body (4.1) of M3 oil gun (2) for cleanliness and clean as necessary.

With opening held upright and at an angle to reduce air entering body (4.1), fill body of M3 oil gun (2)

with hydraulic fluid (item 20, Appx D).

Install head (4) and handle (1) as a unit, and tighten locking screw (3).

With nozzle end of M3 oil gun (2) held upright, remove cap (5) from nozzle and allow air to escape for a

minute or two.

Purge remaining air from M3 oil gun (2) by turning handle (1) until no more air bubbles appear at nozzle.

Change 2

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