TM 10-3930-669-34 (2)   Remove three nuts (7) and rocker arm assembly (8) from cylinder head (6). (3)   Remove   two   pushrods   (9)   from   cylinder   head (6). (4)   Remove two plugs (10) and preformed packings (11)  from  cylinder  head  (6).    Discard  preformed packings. (5)   Remove four screws (12) and washers (13) from cylinder head (6). 3-37