2011 Arctic Cat 400 TRV ATV Service Manual, Page 106Get this manual
NOTE: The spider and ring gear assembly must be replaced as complete unit
3Assemble the fork and sliding collar into the cover assembly; then install the left bearing flangebearing assembly and seat firmly into the cover
5Making sure the O-ring is properly positioned on the differential housing cover assembly, install the cover with existing cap screws (coated with green Loctite #609)Account for the ID tagTighten the cap screws evenly to 23 ft-lbNOTE: Grease can be applied to the O-ring for ease of assemblingNOTE: If new housing is being installed, tighten the cap screws to 28 ft-lb
6Install the shift fork shaft wspring into the housing making sure the shaft O-ring is positioned to the inside