futaba 9550 help
 

I 'am trying to put my plastic gear back in my servo and it want close please someone help this servo 10 only a week old i cut one ear off and when i crashed it broke the other ears off so i had to order a case when i did ..I opened it up to replace face and messed the white plastic gear up so I had to order gears which was 40 .it ridiculas for one plastic piece i had to order all the gears Now I can't figure this thing out.... at all please help.