Polaris 850 PRO-RMK 155 2020 Manual page 587

10. Fill the shock body with oil to the bottom of the
threads. Carefully insert the piston rod and valve
assembly into the cylinder.
• Slightly oscillate the piston rod to allow the piston to
enter the shock body bore as it purges the air out.
• Slight up and down movement may be required to
allow all the air to pass through the piston
assembly.
11. Slowly push the piston rod and assembly into the
shock body until the threads can be engaged.
NOTICE
During installation, some shock oil will over flow. Wrap
a shop cloth around the shock body to catch any oil
overflow. Fast installation of the piston rod and
assembly may displace the internal floating piston (IFP)
from its original position. Performance issues will be a
result if the IFP is not in its specified position.
12. Tighten the bearing cap head onto the shock body.
Torque to specification.
TORQUE
Shock Rod Bearing Cap:
10 ft-lbs (14 Nm)
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
STEERING / SUSPENSIONS
13. Verify the IFP is set at the specified depth. If not,
verify there is oil on top of the IFP, then open the
r
bleeder screw .
14. Set the IFP to specification, then close the bleed
screw.
IMPORTANT
The shock shaft must be in the fully extended position
when setting IFP depth. Improper IFP depth may result
in shock assembly damage.
15. Pour out any remaining shock oil from the reservoir.
e
16. Install the cap making sure the O-ring does not flip-
w
over. Install the snap ring
17. Charge the shock to the specified pressure.
18. Clean the shock of all oil reside and check for any
leaks.
.
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8.101