Arctic Cat Sno Pro 120 Service Manual page 414

CLEANING AND INSPECTING
1. Clean the bearings with a clean cloth.
2. Inspect each idler wheel for cracks or damage.
3. Inspect the bushings (located in the arm pivot area)
for wear or damage.
4. Inspect all welds and the tubing of the rear arm/idler
arm for cracks or unusual bends.
5. Inspect the two adjusting cams for damage.
6. Rotate the idler wheel bearings (by hand) and check
for binding or roughness.
7. If a bearing must be replaced, see Idler Wheels/
Mounting Blocks - Cleaning and Inspecting in this
sub-section.
INSTALLING
1. Place the rear arm assembly into position between
the slide rails. Secure with a cap screw and lock nut.
Tighten to 40 ft-lb.
2. Install the rear arm onto the idler arm with an alumi-
num axle and two cap screws. Tighten to 40 ft-lb.
7-64
FZ042A
3. With the sleeves installed, install the shock absorber
link to the lower mounting hole of the rear shock
pivot; then install the shock absorber with cap screws
(A) and (B) and lock nuts. Tighten securely.
When installing the shock absorber link, note that the
offset of the link eyelets are directed away from the
rear arm shock absorber for proper clearance.
FZ043
4. With the sleeves installed, install the shock absorber
link to the lower mounting hole of the idler arm
along with the cap screw (B) and lock nut; then
secure the shock absorber to the idler arm with cap
screws (A) and lock nuts. Tighten securely.
CAUTION
FZ044
FZ041C
0742-877