TM 10-3930-669-34 (4) Remove screw (13), yoke spring (14), tube (15), and   two   gaskets   (16)   from   oil   pump   (9)   and crankcase (12).  Discard gaskets. (5) Remove   two   screws   (17),   lock   washers   (18), baffle   (19),   and   oil   pump   (9)   from   crankcase (12).  Discard lock washers. 3-63