TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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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