Arctic Cat 660 cc Service Manual page 327

13. Secure the end cap onto the slide rail using a cap
screw, flat washers, and a lock nut. Tighten to
1.1 kg-m (8 ft-lb).
14. After the skid frame has been installed, adjust
track tension deflection (see Track Tension in this
sub-section) and track alignment (see Track Align-
ment in this sub-section).
Installing Skid Frame
1. Place a piece of cardboard on the floor to protect
against scratching and tip the snowmobile onto
one side.
2. Pull the track away from the tunnel and spread
open; then place the skid frame into the track.
3. Position the front of the skid frame into the tunnel
and align the front arm with the appropriate
mounting hole in the tunnel. Insert the cap screw
with washers through the tunnel mounting hole
and through the front arm. DO NOT TIGHTEN
AT THIS TIME. Repeat this procedure on the
other side.
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9-54
AG509D
AG506D
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! CAUTION
When installing the skid frame, make sure the
rear arm shock mounting location on the pivot/
axle is positioned correctly above the axle or
component damage will occur.
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. Elevate the rear of the skid frame and the track
into position in the tunnel.
5. Align the offset pivot idler arm assembly with the
appropriate hole in the tunnel. Secure the offset
pivot idler arm assembly with a cap screw (coated
with red Loctite #271), lock washer, and flat
washer. DO NOT TIGHTEN AT THIS TIME.
NOTE: Do not install the short legs of the rear
springs onto the adjusting cams at this time.
6. At this time, tighten all four skid frame mounting
cap screws to 3.2 kg-m (23 ft-lb).
7. Using the Rear Suspension Spring Tool (p/n 0144-
311), install the short legs of the rear springs onto
the adjusting cams making sure the cams are in the
same adjustment positions.
8. Tighten the two track tension adjusting bolt evenly
until track deflection is within specifications; then
lock the jam nuts to secure the adjustment.
9. Check track tension deflection and alignment;
adjust if necessary (see Track Tension and Track
Alignment in this sub-section).
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739-204A
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