TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 (25) For right cylinder head of model 7083-7396 and left cylinder head of model 7083-7399, remove twelve pipe plugs (55) from inboard side and ends of cylinder head. For left cylinder head of model 7083-7396 and right cylinder head of model 7083-7399, remove thirteen pipe plugs (55) from inboard side and ends of cylinder head. (25.1 ) For model 7083-7391, remove thirteen pipe plugs (55) from inboard side and ends of right cylinder head or fourteen from left cylinder head. ■ (26) For models 7083-7396 and 7083-7399, remove eight threaded plugs (56) from left cylinder head or six plugs (56) from right cylinder head. (26.1) For model 7083-7391, remove six threaded plugs (56) from cylinder head. (27) Remove elbow (57) from front of right cylinder head or two elbows (57) from front of left cylinder head. (28) Remove fitting (58) from front of right cylinder head or reducer (59) from front of left cylinder (29) If necessary, remove two bushings (60) from cylinder head bolt holes. (30) If necessary, remove two cup plugs (61) from front and rear of cylinder head. Discard cup Change 1 5 - 4 1