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. 21 22 lnterval Before Before Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER - CONTINUED Location Item to Check/ Service Operating Cam And Rollers Damper Assembly Crewmember Procedure CANNONEER NO. 1 a. Before firing, check rollers (1) and cam ways (2). b. Lubricate cam ways (2) daily with grease (item 17, Appx D) when cannon is fired. Not Fully Mission Capable If: Rollers (1) are broken. CANNONEER NO. 1 Inspect damper assembly (1) to ensure distance between spring cap ends (2) is 4 inches (10.16 cm). If not 4 inches (10.16 cm) in length, loosen hex nut (3) and adjust cap screw (4) until spring cap ends are 4 inches (10.16 cm) apart, then tighten hex nut against mount. 2-38