2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 261Get this manual
FINAL DRIVE FRONT HUB
Disassembly
NOTE: Follow steps 1-10 for wheelhub removal in Front Drive Shaft (CV) ServiceRemoval' 1Remove outer snap ring4Inspect bearing housing for scratches, wear or damageReplace housing if damaged
Assembly
1Support bottom of hubstrut housing2Start bearing in housing3Press bearing into place until outer race bottoms on housing