TM 10-3930-669-20 (3) Remove  lower  grease  fitting  (6)  from  pin  cover (7). (4) Remove three screws (8) from pin cover (7). (5) Remove pin cover (7) and shims (9) from lower axle bore (10) and knuckle (4).Discard shims. NOTE Use a soft-face mallet to tap on the knuckle arm to release the knuckle from upper bearing. (6) Using   a   soft-face   mallet,   remove   knuckle   (4) from  upper  axle  bore  (11)  and  lower  axle  bore (10).  Engine OFF (TM 10-3930-669-10) Parking brake    applied    (TM    10-3930-669-10)    Wheels chocked (TM 10-3930-669-10) Batteries disconnected  (Para  7-48)  Hub  removed  (Para 13-5) (7) Remove two screw plugs (12) and upper grease fitting (13) from upper axle bore (11). NOTE Use   a   drift   pin   inserted   in screw  plug  holes  to  remove the upper seal, bearing cone, and bearing cup. (8) Using  a  drift  pin,  remove  the  upper  seal  (14), upper bearing cone (15), and upper bearing cup (16)   from   the   upper   axle   bore   (11).      Discard seal. (9) Remove lower seal (17) and lower bearing cone (18) from pin cover (7).  Discard seal. . 13-19

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