Polaris 2007 Sportsman 500 EF Service Manual page 253

8. Remove the ring gear (1) and spacer (2).
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9. Remove and inspect the bearing surfaces of the output hub.
10. Thoroughly clean all parts.
11. Inspect the rollers (1) for nicks, scratches and flat spots.
Inspect the roll cage (2) for damage or cracks. The rollers
must slide up and down freely within the roller cage
surfaces. Inspect the ring gear (3) for consistent wear
patterns. Surfaces should be free of nicks or burrs.
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12. Inspect roll cage sliding surface (2). This surface must be
clean and free of nicks, burrs or scratches. Remove and
inspect the H-springs (4). Replace any components as
required.
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13. Inspect the armature plate for a consistent wear pattern.
Uneven wear of the armature plate indicates a warped
plate, which may cause intermittent operation.
NOTE: See
page 7.19.
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FINAL DRIVE
"Front Gearcase Diagnosis"
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on
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7.25