TM 10-3930-671-24 Assembly Steering Knuckle & Knuckle Pin Bearings Reassembly Recommended Greasing Procedure: 1) Use  Grade  No.    1  EP  Lithium  soap  base multipurpose grease, Clark MS-9B or equivalent. 2) All tapered roller bearings to be packed with grease before assembly. 3) Tie rod bearings to be filled using a grease gun after axle is reassembled. 4) Apply  coating  of  Grade  No.    2EP  Lithium soap base multi-purpose grease, Clark MS- 107C or equivalent, to inside diameter of oil seals prior to assembly. 1. Turn axle body upside down or on its side so that knuckle     centerline     is     horizontal     to     simplify installation of bearings, seal and steering knuckle. 2. Correctly  apply  grease  to  (pack)  upper  knuckle pin bearing and lubricate knuckle pin seal.  See above for recommended greasing procedure. 3. Install   (press)   the   upper   knuckle   bearing   cup fully into steering knuckle upper trunnion bore in axle body. 4. Assemble upper bearing cone into bearing cup. 5. Install   (press)   new   knuckle   pin   seal   into   and against   shoulder   in   seal   recess   in   axle   body. Seal  should  be  flush  with  outer  surface  of  axle body.  Upper seal lip should be pointing down or towards knuckle. 6. Be sure to reinstall the 2 bearing-removal screw plugs in top of axle body. 7. Apply   grease   to   (pack)   lower   knuckle   bearing and lubricate oil seal. See above for recommended greasing procedure. 8. Install   (press)   lower   knuckle   bearing   cup   fully into   bore   in   knuckle   pin   cover   (bearing   cup retainer). 9. Assemble lower bearing cone into bearing cup. 10. Install   (press)   new   knuckle   pin   seal   into   and against  shoulder  in  seal  recess  in  knuckle  pin cover.    Seal  should  be  flush  with  open  end  of cover.    Lower  seal  lip  should  be  pointing  up  or towards knuckle. 11. Carefully   install   knuckle   through   seal   and   into upper bearing in steer axle body. NOTE Check to be sure RH and LH parts are installed in correct location. F-437

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