TM 10-3930-659-34 4-56.  STEERING CYLINDER REPAIR (Con’t). 4. guide   (3)   into   steering   cylinder   barrel   (2)   and remove retaining ring (5). 5. filler   ring   (7)   into   retaining   ring   groove   (6)   in steering cylinder barrel (2). 6. Remove piston rod (4) from steering cylinder barrel (2). 7. Remove steering cylinder barrel (2) from machinist’s vise. 8. Secure piston rod (4) in machinist’s vise. 9. Remove locknut (13) and piston (8) from piston rod (4).  Discard locknut. 10. Remove and discard wear ring (12), cap seal (11), two backup rings (10), and expander seal (9) from piston (8). TA708329 4-208