Arctic Cat 660 cc, Service Manual

Page: 303 / 396

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5. If the distances from the rear idler wheels to the
inner track drive lugs are not the same on both
sides, an adjustment is necessary.
ADJUSTING
1. On the side of the track which has the inner track
drive lugs closer to the rear idler wheel, loosen the
idler wheel cap screw and the adjusting bolt jam
nut; then rotate the adjusting bolt clockwise 1 to 1
1/2 turns.
0735-454
2. Check track alignment and continue adjustment
until proper alignment is obtained.
„
NOTE: Make sure correct track tension is main-
tained after adjusting track alignment (see Track
Tension in this sub-section).
3. After proper track alignment is obtained, tighten
both the adjusting bolt jam nut and the idler wheel
cap screw securely.
4. Field test the track under actual conditions; then
make additional adjustments as necessary.
Repair Procedure 2 -
Track/Rear Suspension
This Track/Rear Suspension sub-section (Repair Pro-
cedure 2) has been organized so each procedure can be
completed individually and efficiently. Each sub-sec-
tion has (as necessary) Removing, Disassembling,
Cleaning and Inspecting, Assembling, and Installing
procedures. Some components may vary from model
to model. The technician should use discretion and
sound judgment when removing and installing compo-
nents.
„
NOTE: Some illustrations and photographs used
in this sub-section are used for clarity purposes
only and are not designed to depict actual condi-
tions.
Removing
Skid Frame
„
NOTE: Many service procedures can be per-
formed without removing the skid frame. Closely
observe the note introducing each sub-section for
this important information.
1. Loosen the jam nuts and two track-tension adjust-
ing bolts.
FS082
2. Place a support stand under the rear bumper; then
while holding the flared bushing, remove the rear
cap screws securing the skid frame to the tunnel.
Account for lock washers and flat washers.
„
NOTE: The support stand should hold the snow-
mobile level but not raised off the floor.
3. Remove the front cap screws securing the skid
frame to the tunnel. Account for a flat washer and
a lock washer.
4. Remove the support stand; then tip the snow-
mobile onto one side using a piece of cardboard to
protect against scratching. Remove the skid frame.
! WARNING
If a jam nut is not tightened properly, the adjusting
bolt could loosen causing the track to become dan-
gerously loose.
! CAUTION
In this sub-section, it will be necessary to tip the
snowmobile on its side for accessing some
components; however, the snowmobile should
not be tipped on its side in excess of a 70° angle.
If tipped on its side in excess of a 70° angle (or
upside down at all), return the snowmobile to the
upright position and immediately see Tipped
Snowmobile sub-section in Section 1 of this
manual for proper procedure to follow.