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 2-50 Item Before Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWlTZER — CONTINUED Location Item to Check/ Service M146 Telescope Mount Crewmember Procedure ASSISTANT GUNNER a. Before firing, check that elevation bracket (1) slides freely. Check dial (2) for damage and verify freedom of movement. Check knobs (3) for damage and freedom of movement. Not Fully Mission Capable If: