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TM9-2815-202-34 7-4.   EXHAUST   MANIFOLD   AND   TUBE   REPLACEMENT This  task  covers: a.  Removal b.  Installation INITIAL    SETUP MODELS 7083-7399 TOOLS  AND  SPECIAL  TOOLS General mechanics tool kit (App B, Item 96) Torque wrench (App B, Item 101) MANDATORY  REPLACEMENT  PARTS 17 Locking nuts (App F, Item 103) 1 Gasket (App F, Item 62) 2 Gaskets (App F,ltem29) EQUIPMENT   CONDITION Para  Description 3-10 Turbocharger oil return line removed 3-13 Turbocharger oil supply line removed 3-15 Air inlet manifold removed 7-2 Turbocharger  regulator  removed 7-3 Turbocharger removed PERSONNEL  REQUIRED:  2 a.   Removal (1) (2) (3) (4) (5) (6) (7) Remove two nuts (1) from two clamps (2) securing exhaust crossover tube (3) to right exhaust manifold (4) and adaptor (5) on left exhaust manifold (6). Slide clamps onto crossover  tube. Loosen five locking nuts (7) securing right exhaust manifold (4) to cylinder head. Remove exhaust crossover tube (3) and clamps (2) from exhaust manifold (4) and adaptor (5). Remove clamps from tube. Slide exhaust manifold (4) upward and off cylinder head. Remove five locking nuts (7), three beveled washers (8), and two end retainers (9) from studs (10) on right cylinder head. Discard  locking  nuts. Remove  exhaust  manifold  gasket  (11).  Discard  gasket. Remove four locking nuts (12) securing adaptor (5) to left exhaust manifold (6). Discard locking  nuts. Remove adaptor (5) and gasket (13) from exhaust manifold. Discard gasket. WARNING Use a  second  person  to  hold  or  secure  exhaust  manifold  when  loosening self-locking nuts to prevent manifold from slipping or falling. Injury to personnel can occur if manifold is not secured. 7-6


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