TM  10-3930-638-24&P 4-4.   TRANSMISSION   MAINTENANCE   (cont) c.  Transmission  Rear  Cover  (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL 1 Four nuts (1) Remove If necessary, plug (5) may be removed 2 Four lock washers (2) Remove 3 Low shaft rear bearing Remove cap (3) 4 O-ring  (4) Remove  and discard 5 O-ring  (6) Remove  and discard 6 Four nuts (7) Remove 7 Four lock washers (8) Remove 8 Idler shaft bearing Remove cap (9) 9 O-ring (1O) Remove  and discard 10 Four nuts (11) Remove 11 Four lock washers (12) Remove 12 Output  shaft  bearing Remove cap  (13) 13 O-ring (14) Remove  and discard 14 O-ring (15) Remove  and discard 15 Bearing to flange Remove spacer ( 16) 16 Rear bearing cap oil Remove  and seal  (17) discard 17 Detent plug (18), mesh Remove Remove only if necessary lock ball (19), and mesh lock spring (20) 4-163