TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 b. Installation NOTE Model 7083-7391 has an unidirectional exhaust manifold gasket which must be installed with embossed word “TOP” facing outward and at the top. (1) Position gasket (10) over exhaust manifold studs (9) on left cylinder head. NOTE • Position beveled washers with crown facing nut. • Insure locating pads on exhaust manifold rest on cylinder block locating pads. • For model 7083-7391, install glow plugs prior to installing exhaust manifolds. (Refer to Para 5.1-8.) (2) (3) (4) For model 7083-7396, position left exhaust manifold (5) over studs (9) on cylinder head and secure with six beveled washers (7), two end retainers (8) and eight locking nuts (6). Torque nuts to 30-35 Ib-ft (41-47 N-m) starting from center and working outward alternately toward either end. For model 7083-7391, position left exhaust manifold (5) over studs (9 and 11) on cylinder head and secure with nine beveled washers (7), and nine locking nuts (6). Torque nuts to 43-48 lb-ft (59-67 N-m) starting from the center and working outward alternately toward either end. NOTE Model 7083-7391 has an unidirectional exhaust manifold gasket which must be installed with the embossed word “TOP” facing outward and at the top. Position gasket (10) over exhaust manifold studs (9) on right cylinder head. Change 1 5-7