Arctic Cat DVX 400 2004 Service Manual page 113

4. Remove the rear shock absorber by lifting up the
swing-arm and lowering the shock absorber assem-
bly.
CLEANING AND INSPECTING
1. Clean the shock absorber in parts-cleaning solvent.
2. Inspect each shock absorber body and rubber bush-
ing for damage and leaking oil. If any defects are
found, replace the shock absorber.
! WARNING
Do not attempt to disassemble the rear shock
absorber. It contains high-pressure nitrogen gas and
is not serviceable.
NOTE: Do not dispose of the shock absorber
until the high-pressure nitrogen gas is released.
RELEASING GAS PRESSURE
Remove the valve cap; then using a screwdriver, depress
the valve releasing the gas.
4
SP329
Direct the valve stem away from your body. Always
wear protective eyewear when releasing high-pres-
sure gas.
INSTALLING REAR SHOCK
1. Raise the swing-arm and place the shock absorber in
position; then install the upper and lower cap screws
and nuts.
2. Tighten the upper nut (1) and the lower nut (2) to
specifications.
SP330
3. Install the rear arm lower cap screw and nut; then
tighten the nut to specifications.
ADJUSTING SPRING PRELOAD
The rear spring preload is adjustable by changing the
spring set length. Using the following procedure, adjust
the spring.
1. Remove the rear shock absorber; then secure the
shock absorber in a suitable holding fixture or vise.
2. Loosen the lock nut (1); then adjust the spring set
length by turning the adjuster (2).
! WARNING
SP331
SP332A