Polaris Sportsman 850 Service Manual page 324

FINAL DRIVE
8. Remove the seals from each case half using a seal
puller or other suitable method (see Figure 8-28).
9. Support the gearcase cover and press the bearing
out. Repeat this procedure on the main gearcase
half, unless the bearing came out with the ring gear
(see Figure 8-28).
If the main gearcase bearing is installed on the ring
gear, heat the bearing to remove it.
10. Thoroughly clean the gearcase halves.
WARNING
Wear appropriate safety equipment while installing
bearings to reduce the risk of injury.
11. Support the gearcase cover and carefully press in
the new cover bearing (see Figure 8-28). Support the
ring gear and carefully press on the new main
gearcase bearing.
7.68
NOTE
12. Install the seals into the case halves using a
standard seal installer or other suitable method. Seal
depth should be approximately .110 in. (2.79 mm)
from the main surface.
13. Install pinion shaft and a new retaining ring. Install
the retaining ring with the straight edge facing the
bearing.