Snowmobile Arctic Cat 2-Stroke (2007 year). Manual - part 133

9-45

INSTALLING

1. Secure the mounting block on the slide rail with a

cap screw and lock nut. Tighten to specifications.

MS009

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 two shim washers (if applicable), idler

wheel, and axle against the mounting block mak-

ing sure there is a flat washer on the outside of the

idler wheel.

MS004

NOTE: On idler wheels with inserts, install spac-
ers.

MS005

3. Secure the idler wheel assembly with a cap screw

and a lock nut. Tighten cap screws to specifica-

tions.

MS208

Rear Inner

Idler Wheels

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

REMOVING

1. Remove the cap screws securing the rear inner

idler wheel and the idler wheel assembly. Account

for four flat washers, three spacers, and an axle.

MS209A

2. Note the locations of the washers and spacers for

installing purposes.

9-46

NOTE: The washers (A) must be installed next to
the idler wheels. The short spacers (B) must be
installed against the slide rail.

MS210A

MS210B

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 and plastic hub for cracks

or damage.

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

inspect for binding or roughness.

4. If a bearing must be replaced, use this procedure.

A. Remove the wheel insert (if applicable) and the

snap ring.

B. Using a hydraulic 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

E. Install the insert (if applicable).

MS008

INSTALLING

1. Place the long spacer on the axle; then from each

side, install a washer (A), idler wheel, washer, and

a short spacer (B). Tighten to specifications.

! CAUTION

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

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MS210A

MS210B

2. Place the idler wheel and axle assembly into posi-

tion between the slide rails. Tighten to specifica-

tions.

MS211

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.

MS063

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

assembly purposes.

MS142

3. Remove the cap screws securing the offset pivot

idler arm to the idler arm; then remove the offset

pivot idler arm assembly. Account for a flanged

axle, washer, flared bushings, idler spacer collar,

and lock nuts.

MS064

4. Using Idler Wheel Puller Kit (p/n 0644-122),

remove the wheel.

! WARNING

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

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MS065

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

securing the spring slide to the rail. Account for a

slide block and washer.

MS067A

MS068

6. Remove the spring and sleeve from the idler arm.

MS069

NOTE: Use the same procedure for the other
side.