Arctic Cat Sno Pro 120 2011 Service Manual page 428

CLEANING AND INSPECTING
 NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is nec-
essary.
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 upper 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.
ASSEMBLING
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 idler arm onto the rear arm with an alumi-
num axle, bushing assemblies, and two cap screws.
Tighten to 34 ft-lb.
 NOTE: If the rear arm limiter and rail support were
loosened (after step 4 of disassembling), tighten to
20 ft-lb.
7-60
3. With the sleeves installed, place the shock absorber
and shock link between the pivot arm bracket.
Secure with the cap screws and lock nuts. Tighten
securely.
 NOTE: Do not over-tighten the shock absorber cap
screw as the shock eyelet must be free to pivot.
4. With the sleeves installed, position the shock link in
the appropriate holes of the idler arm brackets and
shock absorber; then insert the cap screw through the
eyelets. Secure with the cap screws and lock nuts.
Tighten securely.
CM236
5. Install the inner carriage axle to the idler arm; then
install a wave washer and idler wheel. Secure with
the snap ring.
CM237
Manual
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CM235B
CM233A
CM234A