2011 Arctic Cat 400 TRV ATV Service Manual, Page 102Get this manual
Disassembling Pinion Gear NOTE: Any service of the pinion gear or related bearings will require new gear casedifferential housingThe removal of the lock collar severely damages the threads in the housing
1Using the 48 mm Internal Hex Socket, remove the lock collar securing the pinion gear assembly
4Remove any reusable parts from the gear case housing; then discard the housing and lock collarAssembling Pinion Gear 1Install the bearing onto the pinion shaftInstall the pinion shaft collarCC875