TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9-2350-311-10 Item No. 17 Interval Before Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER - CONTINUED Location Item to Check/ Service Replenisher Accumulator Assembly Pressure (Cont) Crewmember Procedure CHIEF OF SECTION b. Fill M3 oil gun (3) as follows: 1. Turn handle (4) of M3 oil gun (3) counter- clockwise as far as it will go. Loosen locking screw (5) on head (6) of M3 oil gun. 2. Unscrew and remove head (6) and handle (4) as a unit from body (6.1). Be sure cap (7) is on M3 oil gun (3). Do not clean body of M3 oil gun with solvent. 3. Inspect inside of body (6.1) of M3 oil gun (3) for cleanliness and clean as necessary. 4. With opening held upright and at an angle to reduce air entering body (6.1), fill body of M3 oil gun (3) with hydraulic fluid (item 20, Appx D). 5. Install head (6) and handle (4) as a unit, and tighten locking screw (5). 6. With nozzle end of M3 oil gun (3) held up- right, remove cap (7) from nozzle and allow air to escape for a minute or two. 7. Purge remaining air from M3 oil gun (3) by turning handle (4) until no more air bubbles appear at nozzle. Not Fully Mission Capable If: Change 2 2-31