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. 43 Interval After Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER - CONTINUED Location Item to Check/ Service Wheel Hubs, Shock Absorbers Crewmember Procedure DRIVER WARNING Wheel hubs may be hot after operation. Use care to prevent injury. a. Check for overheated wheel hubs (1). Immedi- ately after operation, feel all wheel hubs cau- tiously for noticeable variation in temperature between components. An overheated hub indi- cates a maladjusted, inadequately lubricated, or damaged bearing. b. Feel the lower end of the shock absorbers (2) cautiously and check for variation of tempera- ture between hull area and shock absorber. If shock absorber is operating properly, it should be warmer than the hull area around the shock absorber. If the shock is cold or overheating oc- curs, notify unit maintenance. Jot Fully Mission Capable If: 2-62 Change 2