TM 10-3930-671-24 Control End 11. Remove housing from vise and place on a clean soft  cloth  to  protect  surface  finish.    Use  a  thin- bladed   screwdriver   to   pry   retaining   ring   from housing. 12. Rotate  spool  and  sleeve  until  pin  is  horizontal. Push  spool  and  sleeve  assembly  forward  with your  thumbs  just  far  enough  to  free  seal  gland bushing from housing.  Remove bushing. 13. Remove quad ring seal from seal gland bushing. 14. Use a thin-bladed screwdriver to pry dust seal from seal gland bushing.  Do not damage bushing. 15. Remove 2 bearing races and the needle thrust bearing from spool and sleeve assembly. 16. Remove   spool   and   sleeve   assembly   from   14- hole end of housing. NOTE Do  not  bind  spool  and  sleeve  in  housing.    Rotate spool  and  sleeve  assembly  slowly  when  removing from housing. 17. Push pin from spool and sleeve assembly. 18. Push  spool  partially  from  control  end  of  sleeve, then remove six (6) centering springs from spool carefully by hand.  Note their position in the unit before they are removed. 19. Push   spool   back   through   and   out   of   sleeve. Rotate spool slowly when removing from sleeve. F-414