72
MAINTENANCE
NOTE: By bottoming the sheave
adjuster against the input shaft,
the sheaves of the driven pulley
will spread far enough to allow the
removal of the drive belt.
9. Remove the drive belt from the
drive clutch and driven pulley.
Installing Drive Belt
(ACT Roller Driven
Pulley)
1. Place the drive belt (so the part
number can be read) between the
sheaves of the drive clutch first;
then between the sheaves of the
driven pulley.
2. On Style A using the deflection
tool/screwdriver/spark plug
wrench assembly, remove the
sheave adjuster from the end of
the driven pulley. Place the shim
washers and O-ring (as noted in
removing) onto the sheave
adjuster; then carefully thread the
sheave adjuster back into the
driven pulley. Tighten the adjuster
securely using the deflection tool/
screwdriver/spark plug wrench
assembly.
NOTE: Do not over-tighten the
sheave adjuster. A torque value of
2.1 kg-m (15 ft-lb) is recom-
mended.
3. On Style B, place the shim wash-
ers and O-ring (as noted in
removing) onto the sheave
adjuster; then install the cap
screw and sheave adjuster back
into the driven pulley. Tighten the
cap screw to 4.4 kg-m (32 ft-lb).
4. On the Bearcat W/T Turbo, close
the belt guard and the hood.
5. On remaining models, install the
belt guard; then install and close
the left-side access panel.
6. Release the brake lever lock.
TRACK TENSION
Track tension is directly related to the
overall performance of the snowmo-
bile. If the track is too loose, it may
slap against the tunnel causing wear or
it may “ratchet” on the track drive
sprockets. If extremely loose, the idler
wheels may climb over the track lugs
forcing the track against the tunnel
causing the track to “lock.” Arctic Cat
recommends that the track tension be
checked daily during the first 300
miles of operation and once a week
thereafter and adjusted according to
need. The track will stretch and take a
“set” during break-in. Track deflection
must be maintained within the recom-
mended range.
Checking Track
Tension
1. Remove excess ice and snow
buildup from the track, track
drive sprockets, and the inside of
the skid frame.
! WARNING
Never operate the snowmobile
without the belt guard/access
panel secured in place.
! WARNING
Track tension must be properly
maintained. Personal injury could
result if a track is allowed to
become excessively loose.
! WARNING
DO NOT attempt to check or
adjust track tension with engine
running. Turn ignition key to the
OFF position. Personal injury
could result from contact with a
rotating track.
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