Snowmobile Arctic Cat (2007 year). Manual - part 123

9-107

9

MS134A

CLEANING AND INSPECTING

„ NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.

1. Clean the bearing with a clean cloth.

2. Inspect each idler wheel for cracks or damage.

3. Rotate the idler wheel bearing (by hand) and

inspect for binding or roughness.

4. If a bearing must be replaced, use this proce-

dure.

A. Remove the bearing snap ring.

B. Using a suitable press, press the bearing out

the inside of the wheel.

C. Press the new bearing (on its outer race) into

the idler wheel.

MS006A

D. Install the snap ring making sure the “sharp

side” is directed away from the bearing.

MS007A

INSTALLING

1. Secure the mounting block on the slide rail with

a cap screw and lock nut. Tighten to specifica-

tions.

„ NOTE: For proper alignment, it is advisable to
install an idler wheel cap screw into the top mount-
ing block hole prior to tightening.

MS009A

2. Place the idler wheel to the mounting block;

then secure the idler wheel assembly with a cap

screw, flat washer, and a lock nut. Tighten to

specifications.

MS136

! CAUTION

Do not remove the bearing unless it is absolutely
necessary. The bearing will be damaged during
removal.

9-108

Inner Idler Wheels

„ NOTE: The skid frame does not have to be
removed for this procedure.

REMOVING

1. Using the Rear Suspension Spring Tool (p/n

0144-311), remove the spring from the adjusting

cam.

AG624DA

2. To access the inner idler wheel and mounting

block, remove the spring slider block.

ZJ263

3. Remove the cap screws, washers, and lock nuts

securing the front inner idler wheel and the idler

wheel mounting block. Account for all mount-

ing hardware.

ZJ264A

4. Note the locations of the flat washer for assem-

bly purposes.

MS138

CLEANING AND INSPECTING

„ NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.

1. Clean the bearing with a clean cloth.

2. Inspect each idler wheel for cracks, damage, or

poor bonding of the outer rubber portion.

3. Rotate the idler wheel bearings (by hand) and

inspect for binding or roughness.

4. If a bearing must be replaced, use this proce-

dure.

A. Remove the bearing snap ring.

B. Using a suitable press, press the bearing out

the inside of the wheel.

C. Press the new bearing (on its outer race) into

the idler wheel.

! WARNING

Care must be taken when removing the spring or
damage or injury could result.

! CAUTION

Do not remove the bearing unless it is absolutely
necessary. The bearing will be damaged during
removal.

9-109

9

MS006A

D. Install the snap ring making sure the “sharp

side” is directed away from the bearing.

MS007A

INSTALLING

1. Secure the mounting block on the slide rail with

a cap screw and lock nut. Tighten to specifica-

tions.

„ NOTE: For proper alignment, it is advisable to
install an idler wheel cap screw into the top mount-
ing block hole prior to tightening.

ZJ265A

2. Place the idler wheel into position against the

mounting block making sure there is a flat

washer on the cap screw. Tighten to specifica-

tions.

3. Place the spring slider block into position and

tighten to specifications; then install the spring

onto the adjusting cam.

ZJ263A

Rear Upper Idler 

Wheels/Rear Springs

„ NOTE: The skid frame must be removed for this
procedure (see Removing Skid Frame in this sub-
section).

REMOVING

1. Using the Rear Suspension Spring Tool (p/n

0144-311), remove the spring from the adjusting

cam.

AG624DA

2. Mark the offset pivot idler and the idler arm for

assembly purposes.

! WARNING

Care must be taken when removing the spring or
damage or injury could result.

9-110

MS142

3. Remove the cap screws securing the offset pivot

idler arm assembly to the idler arm; then remove

the offset pivot idler arm assembly. Account for

a flanged axle, flared bushing, idler spacer col-

lar, and lock nuts.

MS064

4. Remove the idler wheel.

„ NOTE: Use Idler Wheel Puller Kit (p/n 0644-122)
to remove the wheel.

MS011

5.  Remove the cap screw, flat washer, and lock nut

securing the spring slide to the slide rail.

Account for the spring slide and all mounting

hardware.

ZJ263A

MS014

6. Remove the spring and sleeve from the idler

arm.

MS145

„ NOTE: Use the same procedure for the other
side.

CLEANING AND INSPECTING

„ NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.

1. Clean the bearing with a clean cloth.

2. Inspect each idler wheel for cracks, damage, or

poor bonding of the outer rubber portion.

3. Rotate the idler wheel bearings (by hand) and

inspect for binding or roughness.