ENGINE,  FUEL,  EXHAUST  AND 4-11. Intake and Exhaust TM  10-3930-643-34 COOLING  TROUBLESHOOTING  AND  MAINTENANCE. Manifolds.  (Sheet INSTALLATION NOTE Front and rear exhaust manifolds are installed together as a unit. 20. 21. 22. 23. 24. Using a 5/8”   socket and socket wrench  handle,  install  new  gasket (21), six new gaskets (20), rear exhaust  manifold  (19),  front exhaust  manifold  (18),  12  washers (17) and nuts (16) on left side of  engine. Tighten nuts (16) to 57  lb-ft. Apply anti-seize compound to bolts (14) before installation. Using a 9/16”   socket,  socket  wrench handle,    and a 9/16” open box wrench, install four locknuts (15) and bolts (14). Tighten bolts (14) to 35 lb-ft. Install two drive belts (13) on alternator  pulleys. Using a 9/16” socket and socket wrench  handle,   tighten two nuts (12) and bolts (11). Refer to TM  10-3930-643-20  for  alternator drive belt adjustment. 6 of 7) Go to sheet 7 4-81