TM 10-3930-671-24 b. Installation. (1) Install bracket (6) on radiator cover (19) with two nuts (18).  Tighten nuts to 168-216 lb-in (19-23 N•m). (2) To install exhaust pipe (10), proceed as follows: (a) Install heat insulator (17) on exhaust pipe (10) with two clamps (16). NOTE If screws were removed during Removal step [4(b)], perform step (b).  If not, proceed to step (c). (b) Install two screws (15) in manifold (14). (c) Install exhaust gasket (13), exhaust pipe (10), and flange (12) on manifold (14) with two nuts (11).  Tighten nuts 30-35 Ib-ft (40-50 N•m). (3) To install muffler (1), proceed as follows: (a) Install muffler (1) on exhaust pipe (10) with u-bolt clamp (9), two lockwashers (8), and nuts (7).  Tighten nuts to 168-216 lb-in (19-23 N•m). (b) Install exhaust pipe (5) on muffler (1) and bracket (6) with u-bolt clamp (4), two lockwashers (3), and nuts (2). Tighten nuts to 168-216 lb-in (19-23 N•m). (4) Install counterweight (Appendix F, Counterweight Maintenance, Section 12.1). (5) Connect batteries (Para 3-25). END OF TASK 3-43