TM  9-2815-202-34 5-37.  CYLINDER  HEAD  REPAIR  (Cont) e. Assembly (1) If necessary, install two bushings (60) in cylinder head bolt holes. Press flush to 0.02  inch  below  surface. (1.1 ) Apply gasket cement to cup plug (61) and install in front and rear of cylinder head. (2) Apply gasket cement to solid plug (52) and install at a 32 degree angle to the right of perpendicular in front of right cylinder head or 32 degrees to the left of perpendicular in front of left cylinder head as shown. (2.1 ) Install elbow (53) in solid plug (52) for right cylinder head or left cylinder head. (3) Install fitting (58) to front of right cyIinder head or reducer (59) to front of left cylinder head. (4) (5) (5.1) (6) Install elbow (57) to front of right cylinder head or two elbows (57) to front of left cylinder  head. For models 7083-7396 and 7083-7399, install eight threaded plugs (56) in left cylinder head or six plugs (56) in right cylinder head. For model 7083-7391, install six threaded plugs (56) in left or right cylinder head. For right cylinder head of model 7083-7396 and left cylinder head of model 7083-7399, install twelve pipe plugs (55) in inboard side and ends of cylinder head. For left cylinder head of model 7083-7396 and right cylinder head of model 7083-7399, install thirteen pipe plugs (55) in inboard side and ends of cylinder head. 5-56 C  h  a  n  g  e       1