Hubstrut Bearing Replacement - Polaris MS4000 Service And Owner's Manual

FINAL DRIVE
5. Remove hub cap, cotter pin, front spindle nut, and washer.
6. Rotate each bearing by hand and check for smooth rotation.
Visually inspect bearing for moisture, dirt, or corrosion.
Replace bearing if moisture, dirt, corrosion, or roughness
is evident.

Hubstrut Bearing Replacement

Bearing Removal
1. Remove outer snap ring.
2. From the back side, tap on the outer bearing race with a drift
punch in the reliefs as shown in Step 3.
7.4
Rotate Bearing
3. Drive bearing out evenly by tapping on outer race only.
Once bearing is at bottom of casting, support casting on
outer edges so bearing can be removed.
NOTE: Due to extremely close tolerances and
minimal wear, the bearings must be inspected
visually, and by feel.
hand, inspect for rough spots, discoloration, or
corrosion. The bearings should turn smoothly and
quietly, with no detectable up and down movement
and minimal movement sideways between inner and
outer race.
4. Inspect bearing hubstrut housing for scratches, wear or
damage. Replace hubstrut housing if damaged.
Bearing Installation
5. Thoroughly clean the hubstrut housing and the outer race
on the new bearing. Be sure that all oil residue has been
removed from each surface.
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6. Apply Loctite ® 603
circumference of the new bearing race and carefully install
the new bearing into the strut housing.
NOTE: Use care to not allow any of the Loctite
compound to get in the bearing.
7. Wipe the housing clean of any excess compound and install
the retaining ring.
While rotating bearings by
retaining compound to the outer
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Apply Loctite 603
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