Arctic Cat 660 cc Service Manual page 344

1. Install the rear arm onto the idler arm with an alu-
minum axle, bushing assemblies, cap screw, and a
lock nut. Tighten to 6.2 kg-m (45 ft-lb).
2. Place the rear arm assembly into position (with the
brace facing towards the front). Secure with a cap
screw and lock nut. Tighten to 4.7 kg-m (34 ft-lb).
NOTE: Install the rear arm assembly into the
appropriate mounting hole as noted during disas-
sembly.
3. Position the shock links in the appropriate holes of
the idler arm brackets (see Chassis and Skid Frame
Mounting Locations in this section). Place a
spacer between the center of the brackets; then
place a flat washer on the cap screw. Insert the
axle links into the upper shock link eyelets; then
insert the cap screw with washer through the eye-
lets. Secure with a cap screw, washer, and lock
nut. Tighten to 3.2 kg-m (23 ft-lb).
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AG477D
FS083D
AG556D
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4. Place the upper shock eyelet with bushings
between the idler arm brackets making sure the
spacer is properly positioned between the brack-
ets. Secure with a cap screw and lock nut. Tighten
to 3.2 kg-m (23 ft-lb).
NOTE: Do not over-tighten the shock absorber
cap screw as the shock eyelet must be free to
pivot.
5. Grease the idler arm and rear arm grease fittings
with a low-temperature grease.
6. Install the rear upper idler wheels, rear springs,
and offset pivot idler (see Rear Upper Idler
Wheels/Rear Springs in this sub-section).
Front Arm/Front Shock
Absorber/Front Inner
Idler Wheels
NOTE: The skid frame must be removed for this
procedure (see Removing Skid Frame in this sub-
section), and the rear springs must be removed
from the adjusting cams.
REMOVING
1. Remove the lower cap screws and lock nuts secur-
ing the limiter straps to the rail support. Account
for flat washers.
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AG682D
AG467D
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