Polaris Sportsman 850 Service Manual page 365

10. Use a small, flat-blade screwdriver to pry the bearing
assembly cap out of the shock body.
NOTE
Above image shows spring guide pushed down for
clarity.
11. Press downward on the bearing assembly to expose
the retaining ring. Remove the retaining ring from the
shock body.
12. Install the Shock IFP Tool (2871351) onto the IFP
located in the reservoir.
13. Push downward on the IFP tool while pulling upward
on the shock shaft to remove the shock shaft
assembly.
14. Remove the center screw and O-ring from the IFP.
15. Remove the IFP using the Shock IFP Tool
(2871351).
16. Remove shock body assembly from the vise. Drain
and properly dispose of shock oil.
17. Secure the shock rod in a vise. Position the shock
rod so the threaded end is facing upward.
STEERING / SUSPENSION
18. Remove and discard the lock nut from the end of
shock rod.
NOTE
Keep the rebound and compression valve stacks in the
order they were removed. If unsure of order, refer to
"Shock Valving" under the "Shock Service Information"
provided earlier in this section.
19. Remove the shims and piston from the shock rod.
Note that the valve shim closest to the piston is
ported. This is the air bleed valve shim.
20. A tie strap can be used to keep the shims in the
proper order.
21. Inspect the valve shims for kinks, waves, pits or
foreign material.
22. Inspect the piston wear band and replace if damaged
or worn.
23. Replace the piston o-ring.
24. Make note of the positioning of the piston for proper
assembly. The compression side of the piston has
larger ports with raised edges.
25. Inspect the shock rod bumper. Replace the bumper if
required.
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