TM 10-3930-664-24 4. Install  three  new  wear  rings  (8),  and  new  seal ring   (7),   back-up   ring   (6),   and   wiper   (5)   into cylinder housing (2). 5. Carefully   insert   piston   rod   (3)   with   gland   into cylinder    housing    (2)    until    groove    in    cylinder housing is exposed.  Install snap ring (4). 6. Push  piston  rod  (3)  with  gland  out  of  cylinder housing   (2)   until   groove   in   gland   is   outside housing.  Secure using snap ring (1). FOLLOW-ON MAINTENANCE: Install steering cylinder (para.  3-42) END OF TASK 3-142