TM  9-2815-202-34 5-37.  CYLINDER  HEAD  REPAIR  (Cont) NOTE n • Models  7083-7396  and  7083-7391  contain  four  bolts  (33),  four  flat  washers  (34),  two cover plates (35), and two gaskets (36) per head. • Model 7083-7399 contains six bolts (33), six flat washers (34), and three cover plates   (35), and three gaskets (36)per head. (12) (13) (14) (15) (16) (16.1) (17) (17.1) (18) (18.1) (18.2) (19) (20) (21) Remove bolts (33), flat washers (34), cover plates (35), and gaskets (36) from corners of cylinder head. Discard gaskets. If necessary, for models 7083-7396 and 7083-7399, remove support bracket (37), two bolts (38), and two Iockwashers (39) from right cylinder head. Discard lockwashers. Remove two bolts (40), two flat washers (41), adaptor (42), and gasket (43) from inboard corner of cylinder head. Discard gasket. Remove eight fuel connectors (4) and eight washers (44) from cylinder head. NOTE If the cylinder head is to be pressure checked, do not remove parts in steps (16) thru (21). For models 7083-7396 and 7083-7399, remove eight studs (45) from outboard side of cylinder head. For model 7083-7391, remove six studs (45) from outboard side of cylinder head. For models 7083-7396 and 7083-7399, remove five exhaust manifold studs (46) from right cylinder head or eight exhaust manifold studs (46) from left cylinder head. For model 7083-7391, remove five exhaust manifold studs (46) from right exhaust manifold or five studs (46) and four studs (46.1 ) from left exhaust manifold. For models 7083-7396 and 7083-7399, remove three pipe plugs (47) from outboard side of left cylinder  head. For model 7083-7391, remove four pipe plugs (47) from outboard side of right cylinder head. NOTE Model 7083-7391 has eight exhaust port seals in each cylinder head which seal the exhaust gases from the air gap built within the head. These seals are reusable and only need to be removed and replaced if damaged. For model 7083-7391, if necessary, remove eight exhaust port seals (47.1) from cylinder head. Remove cup plug (48) from rear of cylinder head. Discard plug. Remove fuse plug (49) from outboard side of cylinder head. Remove two pipe plugs (50) from ends of cylinder head. 5-38 Change 1