2010 Polaris Sportsman 850 Service Manual, Page 257Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 257

FINAL DRIVE Gearcase Bearing and Seal Replacement NOTE: If the gearcase is assembled, perform the "Gearcase Disassembly and
the coupler from the pinion shaft by using two pry bars in the areas shownIf the coupler is difficult to remove, use universal
bolt-grip puller to prevent any damage180 Puller Pry Here IMPORTANT: Carefully inspect the pinion shaft gear before replacing
the bearingIf the gear teeth are damaged, the shaft must be replaced as an assembly8Remove the seals from each case half
using seal puller or other suitable method (see Figure 8-28)Pry Here 3Remove the seal above the pinion shaft using seal puller
or other suitable method (see Figure 8-27)9 Figure 8-28 Support the gearcase cover and press the bearing outRepeat this procedure
on the main gearcase half, unless the bearing came out with the ring gear (see Figure 8-28) NOTE: If the main gearcase bearing