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 G-3 LUBRICATION INSTRUCTIONS — CONTINUED 34. IDLER ARM ASSEMBLY (C) Fill idler arm assembly (74) at lubrication fitting (75) with GAA (item 17, Appx D) until solid grease, without air, flows from safety relief valve (76). 35. IDLER ARM HOUSING (C) Remove plug (77) and install lubrication fitting. Lubricate with GAA (item 17, Appx D) using hand lubricating gun. Re- move lubrication fitting and reinstall plug. G-30