TM 10-3930-669-20 13-6.  KNUCKLE REPLACEMENT (CONT). (7) Install bearing cup (19) in pin cover (7). (8) Pack lower bearing cone (18) with grease. (9) Install lower bearing cone (18) in pin cover (7). (10) Coat lower seal (17) with grease. (11) Using  a  soft-face  mallet,  install  lower  seal  (17) in pin cover (7). CAUTION Caution should be taken not to damage the upper seal when installing the knuckle. (12) Install  knuckle  (4)  in  the  upper  axle  bore  (11) and lower axle bore (10). (13) Install pin cover (7) in lower axle bore (10) and knuckle (4) with three screws (8). (14) Using   a   depth   gauge,   measure   the   distance between lower axle (10) and pin cover assembly (7).    Select  appropriate  shim  from  shims  pack that will add up to a total shim thickness of less than  .005-.009  in.    (0.127-0.226  mm)  for  DIM. X. 13-22

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