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Polaris Sportsman 850 - Fox Shock Body and Reservoir Service; Fox Shock Component Rebuild

Polaris Sportsman 850
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8.36
FOX™ SHOCK BODY AND RESERVOIR
SERVICE
WARNING
The following procedure involves the use of an open
flame.
Perform this procedure in a well-ventilated area, away
from gasoline or other flammable materials.
Be sure the area to be flame treated is clean and free of
gasoline or flammable residue.
Disassembly
1. Mount the shock body cap into a vise for service.
2. Heat the body cap and reservoir base with a torch to
break the adhesive bond between cap and shock
body.
3. Use a strap wrench to remove the shock body tube
and reservoir from the body cap.
4. Clean the adhesive out of the threads with a wire
brush and/or a small pick.
5. Apply Loctite Primer N to the shock body and
reservoir threads and let dry for reassembly.
6. Remove the compression adjuster cap using a #10
Torx bit driver.
7. Use a 5/8" socket to remove the compression control
assembly.
NOTE
The compression control assembly is not serviceable.
Replace assembly if required.
Assembly
8. Install new o-rings in the shock body and reservoir.
9. Apply Loctite® 638 to the first two threads on shock
body and reservoir threads. Do not allow thread lock
to contact the o-rings.
10. Use a spanner or strap wrench to torque the
reservoir body to specification.
TORQUE
Reservoir Body: 30 ft-lbs (40 Nm)
Shock Body: 50 ft-lbs (40 Nm)
11. Remove excess Loctite® 638 from surfaces.
12. Install and torque the compression adjuster
assembly to specification.
TORQUE
Compression Adjuster Assembly:
14 ft-lbs (19 Nm)
FOX™ SHOCK COMPONENT REBUILD
NOTE
To prevent damage or marks to the shock, the use of
special tools and a soft jaw vise is recommended.
WARNING
FOX™ shocks contain high pressure nitrogen gas.
Extreme caution must be used while handling and
working with FOX™ shocks and related high pressure
service equipment. The pressure must be released
from the shock before disassembly. It is strongly
recommended you wear safety glasses and ear
protection during these procedures.
IFP and Reservoir Cap
1. Use a small pick to remove the IFP piston wear band
(A), IFP o-ring (B) and the reservoir cap o-ring (not
shown).
2. Lubricate new o-rings and bearing with shock oil
before and after installation onto the piston and cap.
3. Install a new nylon fill valve into the reservoir cap.
STEERING / SUSPENSION

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