TM 10-3930-659-34 5-16.    REAR  AXLE  FRONT  OSCILLATING  SUPPORT  YOKE,  INPUT  QUILL,  AND  PINION  SHAFT  MAINTENANCE (Con’t). NOTE • Perform steps 12 through 14 only if components are damaged. • Bearing cone and bearing cups are press-fitted. 12    Using arbor press, press two bearing cups (20 and 27) from front input quill (11). NOTE Number of shims may vary.  Note number of shims to aid during assembly. 13    . Remove shim pack (26) from front input quill (11). 14    . Using arbor press, press bearing cone (28) from pinion shaft (12). 15    . Remove preformed packing (25) from front input quill (11).  Discard preformed packing. CAUTION Use care not to damage surface of front input quill when removing wear sleeves. 16.  If damaged, remove wear sleeves (21 and 24) from front input quill (11). TA708366 5-155