TM 10-3930-664-24 4. Remove  four  bolts  (6)  and  washers  (7)  from  lower pivot pin (9). 5. Install  two  bolts  (6)  into  holes  not  used  to  mount lower pivot pin (9) to steering case (11).  Alternately tighten bolts until pin separates from case. 6. Remove grease fitting (10). 7. Using  a  bearing  puller,  remove  bearing  cones  (8) from pivot pin (9).  Remove seal (13). 8. Repeat steps 4, 5, and 7 for upper pivot pin (9). 9. Remove grease fitting (10) and shims (12). 10. Carefully remove steering case (11) from axle case (16). 11. If   replacement   is   required,   remove   bearing   cups (14) from axle case (16) using a bearing puller. 12. Loosen  nut  (17)  and  remove   setscrew   (18)   from axle case (16).  Remove articulation shaft (19) from axle case. 4-83