TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
Page 311 of 670
TM 9-2815-202-34 (5) (6) (7) (8) If necessary, install six threaded plugs (57) in left cylinder head and four plugs in right cylinder head. Install twelve pipe plugs (56) in inboard side and - ends of cylinder head. Install fuel spill crossover elbow (55) at inboard side of cylinder head. Install two each of pipe plugs (53 and 54) in ends of cylinder head. Plugs must be flush to 0.18 inch below surface. Change 1 4-205