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9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
21. Locate the bearing cap to the required specification
from the valve stack on the shock rod.
22. Fill the shock body with oil. Dip the piston valve stack
into the oil. Fill the shock body with oil to the bottom of
the cap threads.
23. Slightly oscillate the piston rod to allow the piston to
enter shock body bore as it purges the air out.
24. With the piston completely submerged in oil, cycle the
rod in and out to remove any remaining trapped air
underneath the piston
25. When all of the air is removed, push the assembly
down until the threads engage the tube. Torque
bearing cap to specification.
TORQUE
Seal Head / Bearing Cap:
45 ft-lbs (61 N·m)
26. Verify there is shock oil above the IFP in the reservoir.
27. Slowly pull the shock rod out till the shock is fully
extended.
28. Remove the bleed screw and O-ring from the IFP.
29. Set the IFP depth to specification. Reinstall the O-ring
and bleed screw.
30. Pour out any remaining shock oil in the reservoir.
31. Install a new O-ring onto the reservoir cap. Install the
snap ring.
NOTICE
The service port should be inspected and replaced if
the rubber pellet
u
is worn or the shock has been re-
charged more than five times.
32. Charge the shock with nitrogen to the specified
pressure. The shock rod should extend during
charging.
