TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311 -20-1 5-4 OIL FILTER ASSEMBLY AND ENGINE OIL SAMPLING COMPONENTS — CONTINUED a. Removal Oil is hazardous waste and must be disposed of in accordance with local procedures or direction of the local Hazardous Waste Management office. 1 Remove two drain plugs (1) and drain oil from filter shells (2) into suitable container. 2 Unscrew two center studs (3) and remove two filter shells (2) with two filter assemblies (4). 3 Remove nut (5) and gasket (6) from adapter (7). Discard gasket. NOTE Illustration shown is the M109A2 vehicle. The procedure is identical for the M109A3 and M109A4 Howitzers. 4 Remove from each filter shell (2): center stud (3), gasket (8), filter element (9), packing retainer (1 O), ring spacer (11 ), preformed packing (12), and spring (13). Discard gaskets, filter elements, and preformed packings. 5 Remove pipe plug (14), plug (15), and gasket (1 6). Discard gasket. 6 Loosen two nuts (17) and disconnect hoses(18 and 19). 7 Remove engine oil sampling hose clamp (20), sampling hose (21), and two elbows (22). 8 Loosen sampling valve locknut (23) on mounting bracket (24) marked ‘ENGINE” and remove valve assembly (25). 9 Remove four screws (26) and adapter (7). 5-8 WARNING