2010 Arctic Cat 700 Diesel SD ATV Service Manual, Page 135Get this manual
5Remove the left gear case bearing flange assembly and account for shimMark the shim as left-side
7Using the 48 mm Internal Hex Socket, remove the lock collar securing the pinion gear assemblyNOTE: On front differential, the lock collar has right-hand threadsOn rear gear case, the lock collar has left-hand threads