204
FOX Air Shocks
AIR LEAKAGE POINTS
NOTE: When attaching the air pump, the hose and
gauge will fill with air from the air chamber resulting
in a lower air pressure reading than the shock was
originally set at. This is normal.
1. Check for leaks at room temperature and cold tem-
peratures. Set the shock outside overnight during the
winter months.
2. Charge the shock to 100 PSI; then fill a 5 gallon pale
of water.
3. Remove the air valve cap(s) and submerge the shock
in water. Look for air bubbles to determine if a seal
or O-ring has failed.
SNO-663
4. If service work is needed on any FOX shocks, the
shock will have to be removed and sent to FOX or
any FOX distributor for any service work. For FOX
shock information log on to www.ridefox.com.
REPLACING AIR VALVE/O-RING
1. If an air leak is detected around the air valve, remove
and discard the existing air valve and O-ring. Install
new air valve and O-ring. Tighten to 35 in-lb.
SNO-66
Servicing IFP Shock
SPECIAL TOOLS
A number of special tools must be available to the techni-
cian when servicing the rear suspension.
NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
NOTE: If service work is needed on any FOX
shocks, the shock will have to be removed and sent to
FOX or any FOX distributor for any service work.
For FOX shock information log on to www.ride-
fox.com.
REMOVING/CLEANING
1. Remove the shock from the snowmobile; then
remove the spring from the shock body using the
shock spring removal tool.
2. Wash the shock body in parts-cleaning solvent.
DISASSEMBLING
1. Remove the screw from the bottom of the shock.
Discharge all the pressure from the shock using the
Inflation Needle. Open the valve in filler handle until
all pressure is released.
Description p/n
Piston Location (IFP) Tool 0644-575
Inflation Needle Tool 0744-020
Rear Suspension Spring Tool 0144-311
Shock Body Clamping Tool 0644-486
Shock Rod Clamp Tool 0644-425
Bearing Cap Seal Protector Tool 0644-268/403/404
Shock Spring Removal Tool 0644-057
! WARNING
Before any service is performed on the gas shock
absorber, first discharge all pressure from the shock
remote reservoir. Remove the valve screw from the
pressure valve and insert the Inflation Needle. Open
valve until all pressure is released. Failure to do this
may cause personal injury.
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