Polaris Sportsman 400 Service Manual page 236

FINAL DRIVE
HUB/WHEEL BEARING INSTALLATION
1. Thoroughly inspect the hub internally. If the hub
bearing sleeve is damaged or shows signs of
movement, the hub assembly must be replaced.
When the sleeve is pressed into the hub it should
be flush with the outside surface of the hub.
2. Grease hub seal to allow it to slide over roller clutch
components.
3. Install wheel hub inner bearing.
NOTE: All bearings must slide freely onto the
spindle. If bearings do not slide freely, wheel
bearing torque will be affected.
4. Install wheel hub, outer bearing, washer, and
attaching nut. NOTE: It is very important that the
hub is not moved outward once installed, or the
seal on the hub will disengage the armature plate.
7.4
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