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. 44 Interval After Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER - CONTINUED Location Item to Check/ Crewmember Service Procedure Final Drive DRIVER Sprockets Not Fully Mission Capable If: a. Check for loose or missing nuts and bolts (1) on final drive sprocket (2). If any are loose or missing, notify unit maintenance. Check for cracked, broken, or missing sprocket teeth (2.1). If any are cracked, broken, or missing, notify unit maintenance. Any nuts or bolts (1) are loose or missing. Any sprocket tooth (2.1) is cracked, broken or miss- ing. b. The T-136 track has two types of final drive sprockets (2). Follow the procedures that match the type of final drive sprocket available. 1. Visually check wear marks (3) on two teeth (4). Tooth (4) is worn to edge of wear mark (3). Change 2 2-63