2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 287Get this manual
FINAL DRIVE 10Install the output hub (1) and ring gearroller cage assembly (2)12Install new cover o-ring and ADC passage o-ring (arrow) on the gear case
FINAL DRIVE 10Install the output hub (1) and ring gearroller cage assembly (2)12Install new cover o-ring and ADC passage o-ring (arrow) on the gear case