TM  10-3930-643-34 GENERAL  SUPPORT  TRANSMISSION  MAINTENANCE.  (cont) 15-6. Forward and Reverse Steering Gear Assembly. (Sheet 12 of 13) ASSEMBLY  (cont) 81. 82. 83. 84. 85. 86. 87. Insert guide pins at each oil slot hole. Continue  stacking  plates  and  springs, using guide pins to properly aline teeth until all have been installed. When  properly  alined,  plate  will  drop freely into place. Install plate (17). Do not remove guide pins. Using an adapter, gradually press plates and springs into housing (42). Do not press all at once. Press and release gradually in  1/4  inch increments  to  allow  springs  to seat properly. When  retaining  ring  groove  in  housing is exposed, lock arbor press. Using  slip  joint  pliers,  remove  guide pins. Install new retaining ring (16). Be sure that open space between new retaining ring (16) ends does not aline with oil holes. Go to sheet 13 15-84