Polaris Sportsman 850 Service Manual page 290

FINAL DRIVE
12. Remove and inspect the H-springs (E). If the spring
legs appear to be flattened or damaged, replace the
roll cage and H-springs as an assembly.
Refer to the "Electronic Parts Catalog" for individual
part availability. Most parts are to be replaced as an
assembly or as a complete kit.
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 (refer to "AWD Diagnosis" for inspection).
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NOTE
14. Inspect the magnetic coil (F) in the cover plate
assembly (refer to "AWD Diagnosis" for inspection).
15. Inspect the backlash thrust button (G) and thrust
plate for excessive wear.
Ring gear backlash is set at the factory. No adjustment
is required unless the front cover is replaced or the
backlash thrust pad screw is removed. Refer to "Setting
Ring Gear Backlash" later in this chapter for details on
backlash setting.
16. Remove the (4) bolts retaining the input cover.
NOTE