Arctic Cat Sno Pro 120 2011, Service Manual

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3. Position the front of the skid frame into the tunnel
and engage the front arm with the slider axle in the
tunnel.
0742-187

NOTE: To aid in centering the front arm with the
hole in the tunnel, position the skid frame and track
at a 45° angle to the bottom of the tunnel.
4. Push the rear of the skid frame and the track into the
tunnel.
5. Align the rear arm assembly with the appropriate
hole in the tunnel. Secure the rear arm assembly with
a cap screw, lock washer, and flat washer. AT THIS
TIME, TIGHTEN ONLY UNTIL SNUG.
6. Tip the snowmobile onto the other side; then align
the pivot arm assembly with the appropriate hole in
the tunnel. Secure the rear arm assembly with a cap
screw, lock washer, and flat washer. AT THIS TIME,
TIGHTEN ONLY UNTIL SNUG.

NOTE: Do not install the short legs of the rear
springs onto the adjusting cams at this time.
7. At this time, place the snowmobile to the upright
position; then tighten both rear arm assembly mount-
ing cap screws to 40 ft-lb.
8. Using the Rear Suspension Spring Tool, install the
short legs of the rear springs onto the adjusting cams
making sure the cams are in the same adjustment
positions.
9. Adjust track tension deflection (see Track Tension in
Section 6) and track alignment (see Track Alignment
in Section 6).
CAUTION
After proper track tension and alignment have been
attained, make certain that the rear axle assembly is
tightened to specifications or component damage will
occur.
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