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. 24 Interval Before Table 2–1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER — CONTINUED Location Item to Check/ Service Rammer Assembly (Cont) Crewmember Procedure CANNONEER NO. 1 c. Exercise rammer assembly (2) before firing ac- cording to the following instructions: 1. 2. 3. 4. Place rammer assembly (2) in ram position. Check to assure rammer assembly (2) locks in ram position and plunger and roller (3) on blocking check valve (4) is depressed by op- erating cam (5). Coat plunger and roller (3) lightly with grease (item 17, Appx D). SLOWLY depress actuating valve (6) control handle (7) and hold to extend rammer full stroke. Release control handle to bring ram- mer back to original position. Not Fully Mission Capable If: 2-41