Snowmobile Arctic Cat (2007 year). Instruction - part 81

 

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Snowmobile Arctic Cat (2007 year). Instruction - part 81

 

 

8-27

8

CM063

„ NOTE: Prior to installing the spring, install the
spring seats onto the torque bracket.

CM064

„ NOTE: Premature wear will result if the plastic
washer is not installed.

2. Noting the alignment marks made during disas-

sembling and with the spring seat and spacer on

the stationary sheave shaft, place the stationary

sheave onto the torque bracket.

CM062

3. Place the spacer (retainer) into position on the

stationary sheave noting the proper location of

the holes from disassembling. 

FS094

4. Noting the alignment marks made during disas-

sembling, place the movable sheave onto the

stationary sheave.

FS093

5. With the pulley in place on the compressor,

install the compressor flange spacer and wing

nut; then compress the driven pulley spring.

CM069

6. Install the torx-head cap screws securing the

movable sheave. Tighten to specifications.

8-28

CM061

7. Remove the pulley from the compressor.

„ NOTE: At this time, leave the O-ring and shim
washer off the sheave adjuster. They will be
installed when installing the drive belt.

8. Set the brake lever lock.

9. Slide the driven pulley onto the input/driven

shaft making sure alignment washers are in

place.

10. Secure the driven pulley with components and

hardware as noted in removing/installing.

Tighten to specifications.

„ NOTE: On the turbo models, the cap screw
should be coated with blue Loctite #243.

11. On the turbo models, install the sheave adjuster.

Note that the sheave adjuster has left-hand

threads.

12. Install the drive belt.

„ NOTE: For installing drive belt on models with
the ACT Roller Driven Pulley, see Removing/
Installing Drive Belt (ACT Roller Driven Pulley) in
this section.

Drive Clutch/

Driven Pulley

(Turbo Models)

If premature drive belt wear is experienced or if the

drive belt turns over, parallelism/offset must be

checked. Also, parallelism/offset must be checked

whenever either the drive clutch or driven pulley is

serviced. To check the parallelism/offset, use the

Clutch Alignment Bar (p/n 0644-427) and the fol-

lowing procedure.

CHECKING OFFSET

1. Open the belt guard and remove the drive belt.

„ NOTE: For removing drive belt, see Removing/
Installing Drive Belt (ACT Roller Driven Pulley) in
this section.

2. Install the clutch alignment bar between the

drive clutch sheaves and against the outside

edge of the driven pulley stationary sheave.

3. Allow the alignment bar to rest on the drive

clutch shaft.

0740-230

„ NOTE: The alignment bar must extend beyond
the front edge of the drive clutch.

4. With the bar against the outside edge of the

driven pulley stationary sheave at points A and

B, the bar should just clear the inside edge of the

stationary sheave of the drive clutch and rest on

the stationary shaft. If the bar does not clear the

inside edge or is more than 1.5 mm (0.060 in.)

from the inside edge, the offset must be cor-

rected.

! CAUTION

On the Jaguar Z1, it is critical that the two 1.5 mm
(0.060 in.) washers are in place on the input shaft
when installing the driven pulley.

8-29

8

740-230A

CORRECTING OFFSET

1. To correct offset, the driven pulley must be

moved laterally on the driven shaft. Remove the

cap screw and washers securing the driven pul-

ley; then remove the driven pulley.

„ NOTE: If the driven pulley is tight on the driven
shaft, pull the driven pulley off using the Driven
Pulley Puller (p/n 0744-023).

2. To move the driven pulley inward on the shaft,

remove washer(s) as required from behind the

pulley.

3. To move the driven pulley outward on the shaft,

add alignment washer(s) as required behind the

driven pulley.

„ NOTE: Arrange washers to allow the least
amount of “float” on the driven shaft. A maximum
of 1.5 mm (0.060 in.) of float is acceptable.

4. Install the driven pulley and secure with a cap

screw (coated with blue Loctite #243) and wash-

ers. Tighten the cap screw to specifications.

CHECKING PARALLELISM

1. Check parallelism of the drive clutch/driven pul-

ley using the alignment bar and reference points

X and Y with the alignment bar against the

driven pulley at points A and B. Using a calipers

or a machinist’s scale, measure X and Y from

the backside of the alignment bar. Measure-

ments X and Y must be equal or measurement Y

must be more than measurement X, but Y must

not exceed measurement X by more than

1.6 mm (0.062 in.).

733-912A

„ NOTE: The offset must be correct before check-
ing parallelism.

2. If parallelism is not within specifications, the

parallelism must be corrected.

CORRECTING PARALLELISM 

1. To correct parallelism, minor adjustments can be

made by adjusting the torque bumper on the left-

rear engine mount.

A. Loosen the cap screws and nuts securing the

engine mounting brackets to the front end.

B. Using the jam nut on the torque bumper,

adjust parallelism and periodically check the

parallelism. When the parallelism is correct,

tighten the cap screws and nuts securing the

engine mounting brackets to the front end;

then adjust the torque bumper jam nut allow-

ing the torque bumper to lightly contact the

engine.

CM098A

2. Recheck both offset and parallelism to ensure

accuracy and make further adjustments as nec-

essary.

„ NOTE: After parallelism and offset have been
corrected, check for proper drive belt deflection.
This is critical for optimum performance.

8-30

DRIVE BELT DEFLECTION

Drive belt length, condition, and deflection are all

important for peak performance. To check and

adjust drive belt deflection, use the following proce-

dure.

1. Turn the engine off; then open the belt guard.

2. Make sure the drive belt is sitting at the top of

the driven pulley sheaves.

3. Place a straightedge on top of the drive belt. The

straightedge should reach from the drive clutch

to the top of the driven pulley.

4. Using a stiff ruler centered between the drive

clutch and driven pulley, push down on the drive

belt just enough to remove all slack. Note the

amount of deflection on the ruler at the bottom

of the straightedge. The deflection should be at

31 mm (1 1/4 in.).

„ NOTE: Push down on the belt with the ruler only
until the bottom of the belt flexes upward; then
read the amount of deflection.

741-464A

5. To correct drive belt deflection, remove the

sheave adjuster from the pulley, remove or add

shim washers to the adjuster, and install the

adjuster.

„ NOTE: Adding shim washers will decrease belt
deflection; removing shim washers will increase
belt deflection.

„ NOTE: If the drive belt deflection is above speci-
fications, the snowmobile will bog and lack power
at clutch engagement. For good performance,
proper belt deflection is critical.

6. Secure the belt guard.

Drive Clutch/

Driven Pulley 

(Jaguar Z1)

If premature drive belt wear is experienced or if the

drive belt turns over, parallelism/offset must be

checked. Also, parallelism/offset must be checked

whenever either the drive clutch or driven pulley is

serviced. To check the offset, use the Clutch Align-

ment Bar (p/n 0644-427) and to check parallelism,

use the Clutch Alignment Bar (p/n 0644-509) and

the following procedures.

CHECKING OFFSET

1. Open the side panel and remove the drive belt.

„ NOTE: For removing drive belt, see Removing/
Installing Drive Belt (ACT Roller Driven Pulley) in
this section.

2. Install the clutch alignment bar between the

drive clutch sheaves and against the outside

edge of the driven pulley stationary sheave.

3. Allow the alignment bar to rest on the drive

clutch shaft.

„ NOTE: The alignment bar must extend beyond
the front edge of the drive clutch.

4. With the bar against the outside edge of the

driven pulley stationary sheave at points A and

B, the bar should just clear the inside edge of the

stationary sheave of the drive clutch and rest on

the stationary shaft. If the bar does not clear the

inside edge or is more than 1.5 mm (0.060 in.)

from the inside edge, the offset must be cor-

rected.

742-044A

 

 

 

 

 

 

 

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