Arctic Cat ZR 6000 R CROSS COUNTRY, Operator'S Manual

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2. Remove any drive belt dust accumulation from the
stationary sheave, movable sheave, and bushings
using parts-cleaning solvent only.
3. Inspect stationary sheave, movable sheave, spider,
and cover for cracks or imperfections in the casting.
4. Inspect the cam arm pins for wear or bends.
5. Inspect the spring for distortion, cracks, or wear.
6. Inspect rollers for damage or wear.
Assembling
1. With the head of each cam arm pin positioned
towards the direction of the drive clutch rotation,
install the cam arms.

NOTE: The drive clutch rotates counterclockwise.
2. With the cam arm pins properly positioned, apply
green Loctite #620 to the set screw holes in the cam
arms, install the new set screws (pre-coated with
Loctite), and tighten to 19 in.-lb.
739-040B
3. Secure the cam arm pins with new lock nuts and
tighten to 11 ft-lb.
4. Place the spring and cover into position making sure
the timing mark on the cover is properly aligned; then
compress the spring and install the machine screws
coated with blue Loctite #243 and lock washers. In a
crisscross pattern, tighten evenly to 120 in.-lb.
XM009A
If equipped and if removed, install the drive clutch fan
and secure with the three cap screws. Tighten to 60 in.-lb.
Installing

NOTE: Before installing the drive clutch, be sure to
wipe both the crankshaft taper and clutch mounting
taper clean using a clean towel.
1. Place the drive clutch into position on the crankshaft;
then apply a few drops of oil to the threads of the cap
screw. Secure with the cap screw and lock washer.
Tighten to 51 ft-lb.
2. Check alignment between the drive clutch and driven
clutch (see Drive Clutch/Driven Clutch in this section).
3. Install the drive belt. Check drive belt deflection (see
Drive Clutch/Driven Clutch in this section). Secure
the belt guard and close the left-side access panel.

NOTE: For installing drive belt, see Drive Belt in this
section.
4. Either test drive the snowmobile or run the engine
for five minutes; then verify the drive clutch cap
screw torque specification.
Driven Clutch
Disassembling
1. Prior to disassembling, mark the driven clutch
sheaves and cam.
CAUTION
Green Loctite #620 must be applied to the set screw
holes in the cam arms or component damage may occur.
CAUTION
When installing cam arms, always use new lock nuts
and cam arm set screws.
CAUTION
Care must be taken when installing the cover not to
damage the bushing.
CAUTION
When installing the drive clutch, do not tighten the cap
screw with any kind of impact tool. Tighten cap screw
using a hand torque wrench only. Failure to do so
could result in stationary sheave damage.
! WARNING
Never operate the engine without the belt guard/
access panel secured.