Drive Pulley Service; Cam Arm Removal - Arctic Cat Cougar Service Manual

334
10. Reinstall the drive belt as described in this
chapter.
NOTE
If offset or parallelism is .adjusted, it is
necessary to check drivebelt deflection.
DRIVE PULLEY SERVICE
The drive pulley is mounted on the left end of
the engine crankshaft. It is necessary to use a
special clutch puller (Figure 19) to remove the
clutch from the crankshaft. Different pullers are
used for various models. Check with your Arctic
Cat dealer for the availability of the correct puller
for your machine.
Cam Arm Removal
The weighted cam arms (7, Figure 5) located
in the drive pulley govern the engagement and
shifting of the drive clutch. The following proce-
dure can be used to remove and install the cam
arms without removing the drive pulley.
1. Remove the drive belt as described in this
chapter.
2. Compress the movable sheave and cover (2
and 15, Figure 5) toward the engine about 2.5
em (1 in.).
3. Insert a bar between the movable sheave and
the spider (2 and 20, Figure 5).
WARNING
Do not run the engine with the belt re-
moved or with the bar temporarily lo-
cated between the spider and the
movable sheave.
4. Release the pressure and let the bar hold the
clutch partially engaged.
5. Remove the nuts (4, Figure 5) from the
screws (3, Figure 5). Leave the pivot screws in
place.
6. Withdraw one of the pivot screws (3, Figure
5) and its weight assembly (5, 6 and 7, Figure
5).
CHAPTER THIRTEEN
7. Install the new weight assembly (5, 6 and 7,
Figure 5) and its pivot screw. The head of the
pivot screw must be toward the direction of
rotation.
®
NOTE
Always install a new nut ( 4, Figure 5)
when assembling. Be sure the head of the
pivot screw is in the direction of rotation
as shown.