TM    5-2815-241-34&P GEARCASE  COVER  -  CONTINUED ACTION LOCATION ITEM REMARKS 6.  Gearcase  cover  (1) Trunnion   (9) Inspect  inside  diameter  for  wear. If  wear  is  excessive,  tag  gearcase cover  for  trunnion  bushing installation. 7. 8. Accessory  drive bushing  (10) a. Inspect  inside  diameter  for  scoring  or pitting. If  scoring  or  pitting  exists,  tag accessory  drive  bushing  for replacement. b. Using dial bore gage, check inside diameter. If  inside  diameter  is  larger  than 1.571  inch  (39.90  mm),  tag  for replacement. Camshaft   support   (4) a. Inspect for cracks or other damage. If  cracks  or  other  damage  exists, discard   camshaft   support. b. Using dial bore gage, check inside diameter. If  inside  diameter  is  greater  than 1.757  inch  (44.83  mm),  discard camshaft   support. TA   242448 2-173