Arctic Cat DVX 400 2008 Service Manual page 108

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CLEANING AND INSPECTING
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Clean the shock absorbers in parts-cleaning solvent.
2. Inspect each shock rod for nicks, pits, bends, and
oily residue.
3. Inspect the springs, spring retainers, shock rods,
shock bodies, and eyelets for cracks, leaks, and
bends.
! WARNING
Do not attempt to disassemble the shock absorbers.
They contain high-pressure nitrogen gas and are not
serviceable.
NOTE: Do not dispose of a shock absorber until
the high-pressure nitrogen gas is released.
To release gas pressure, remove the valve cap; then
using a screwdriver, depress the valve releasing the gas.
WARNING
Direct the valve stem away from your body. Always
wear protective eyewear when releasing high-pres-
sure gas.
INSTALLING
1. Place the shock absorber spring over the shock
absorber, compress the spring, and install the
retainer.
2. Install each shock absorber to the frame and
A-arm with cap screws and nuts. Tighten all nuts
to specifications (see Section 10).
! CAUTION
Do not tighten the nut beyond the recommended
specification or the shock eyelet or mount WILL be
damaged.
3. Remove the ATV from the support stand.
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ADJUSTING SPRING PRELOAD
The preload is adjustable by changing the spring set
length. Using the following procedure, adjust the
spring.
1. Loosen the lock nut (1); then adjust the spring set
length by turning the adjuster (2).
SPRING SET LENGTH
MAXIMUM
STANDARD
(SOFTEST)
287.7 mm 294.7 mm
(11.33 in.) (11.60 in.)
! WARNING
Do not adjust the spring preload out of the specified
range.
3. Tighten the lock nut securely.
ADJUSTING DAMPING FORCE
The compression and rebound damping forces are
adjustable. To adjust, use the following procedure.
NOTE: Do not force the damping adjuster screws
or tighten them; damage to the adjusters will
occur.
NOTE: Turning the adjuster screws clockwise
increases force; turning them counterclockwise
decreases force.
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CD835B
MINIMUM
(STIFFEST)
280.7 mm
(11.05 in.)
7
CD837A
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