TM9-2815-202-34 (5) Invert injector on fixture. Using injector nut socket (10), loosen nut (11) on injector body. (6) (7) (8) (9) (10) (11) (12) NOTE When  injector  has  been  in service  for  an  extended  period, spray tip may not be easily pushed from nut. In this case, support nut on a wood block and drive tip out with special tool (12). Do not dislodge spray tip and valve  parts  during  injector  nut removal. Lift injector nut (11) straight up. Remove spray tip assembly (13), spring cage (14), spring seat (15), valve  spring  (16),  check  valve  cage (17), and check valve (18). Remove spill deflector (19). Lift bushing (20) straight out of injector body (21). Remove injector body from fixture. Turn  body  upside  down  and  catch gear retainer (22) and gear (23) in hand as they fall from body. Remove injector control rack (24) from body (21). Remove seal ring (25) from body. Discard  seal  ring. 4-223