Snowmobile Arctic Cat (2007 year). Manual - part 106

9-39

9

MS006A

D. Install the snap ring making sure the “sharp

side” is directed away from the bearing.

MS007A

E. Install the insert.

MS008

INSTALLING

1. Secure the mounting block on the slide rail with

a cap screw and lock nut. Tighten to specifica-

tions.

MS139

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

MS510B

2. Place the idler wheel into position against the

mounting blcok making sure there is a flat

washer on the cap screw. Tighten to specifica-

tions.

MS505

9-40

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.

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

! WARNING

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

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9

6. Remove the spring and sleeve from the idler

arm.

MS069

„ 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 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 proce-

dure.

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

5. Inspect the spring, spring slide, sleeve, washers,

slide block insert, and shaft area for wear.

6. Inspect the adjusting cams and arms for cracks.

INSTALLING

1. Slide the sleeve and spring onto the idler arm.

! CAUTION

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

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MS069

2. Place the slide spacer and slide block (with

spring in slide block) into position on the slide

rail. Secure with a cap screw, flat washers, and

lock nut. Tighten to specifications.

„ NOTE: Make sure the spring is located above the
spring slide mounting bolt.

MS070

MS068

MS071

3. Using a suitable driving tool, install the rear

upper idler wheel on the idler arm.

MS074

4. Install the idler spacer collar onto the idler arm.

MS064

5. Place the flared bushings with a thin flat washer

through the notched side of the offset pivot idler

arm assembly.

„ NOTE: If the flared bushing in the offset pivot
idler arm is loose, it must be cleaned and green
Loctite #609 must be applied to it prior to installa-
tion.

! CAUTION

When driving the idler wheel onto the idler arm, use
a tool to contact the inside race of the bearing or
damage to the wheel or bearing may occur.