TM 10-3930-659-34 4-56.  STEERING CYLINDER REPAIR (Con’t). 13. Remove nut (1) from piston rod (4). 14. If  damaged,  remove  lubrication  fitting  (20)  from piston rod (4).  Discard lubrication fitting. 15. damaged,  remove  bushing  (21)  from  piston  rod (4). 16. Remove piston rod (4) from machinist’s vise. 17. Remove   filler   ring   (7)   from   steering   cylinder barrel (2).  Discard filler ring. 18. damaged,   remove   bushing   (22)   from   steering cylinder barrel (2). 19. elbow   (24)   and   preformed   packing   (23)   from steering  cylinder  barrel  (2).    Discard  preformed packing. 4-210