TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
Page 544 of 670
7-4. EXHAUST b. Installation (1) Position TM 9-2815-202-34 MANIFOLD AND TUBE REPLACEMENT (Cont) gasket (11) over exhaust manifold studs (10) on left cylinder head. NOTE Position beveled washers with crown facing nut. (2) Install six beveled washers (8), two end retainers (9), and eight locking nuts (7) on left exhaust manifold studs (10). WARNING Use a second person to hold or secure exhaust manifold when installing self-locking nuts to prevent manifold from slipping or falling. Injury to personnel can occur if manifold is not secured. NOTE Insure locating pads on exhaust manifold rest on cylinder block locating pads. (3) (4) (5) (6) (7) Install left exhaust manifold (6) onto cylinder head by sliding downward between gasket (11) and retainers (9) and beveled washers (8). Torque eight locking nuts (7) on exhaust manifold (6) to 30-35 Ib-ft (41-47 N-m) starting from center and working outward alternately toward either end. Install gasket (13) and adaptor (5) on exhaust manifold (6) and secure with four locking nuts (12). Torque nuts to 30-35 Ib-ft (41-47 N-m). Position gasket (11 ) over exhaust manifold studs (1 O) on right side of cylinder head. NOTE Position beveled washers with crown facing nut. Install three beveled washers (8), two end retainers (9), and five locking nuts (7) on right exhaust manifold studs (10). NOTE ● Do not tighten or torque exhaust manifold nuts until crossover tube has been installed. ● Insure locating pads on exhaust manifold rest on cylinder block locating pads. 7-8