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. 67 68 68.1 Interval Weekly Weekly Weekly Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER - CONTINUED Location Item to Check/ Service Lights Bilge Pumps Seats Crewmember Procedure DRIVER Check all lights for operation affecting serviceability. DRIVER CAUTION Do not run bilge pumps for more than 1 minute dry, or more than 15 minutes wet without start- ing engine to prevent equipment damage. Test operation of each bilge pump. If a bilge pump is dry, feel for airflow at air outlet when pump is running. DRIVER Inspect seat belt (1), seat and backrest cushions (2 and 3) for deterioration. Make sure seat belt (1) buckle and end plate engage securely. Make sure seat adjustment levers (4 and 5) securely lock seat in all positions. Fold and unfold backrest (6) and check for binding. Check for loose or missing mounting hardware. Not Fully Mission Capable If: Change 2 2-83