Snowmobile Arctic Cat (2004 year). Manual - part 128

9-28

Shock Pads

„

NOTE: The skid frame does not have to be

removed for this procedure.

REMOVING

„

NOTE: The shock pads should be removed only

if being replaced.

1. Twist the push nuts off the solid rivets securing the

shock pads.

2. Remove the shock pads.

INSPECTING

„

NOTE: Whenever a part is worn excessively,

cracked, or damaged in any way, replacement is
necessary.

1. Inspect the pads for damage or wear.

2. Inspect the rivet holes in the slide rail for damage

or elongation.

INSTALLING

1. Place the pads into position on the slide rail.

2. Secure the pads with new push nuts.

Front Outer

Idler Wheels

„

NOTE: The skid frame does not have to be

removed for this procedure.

REMOVING

1. Remove the cap screws and lock nuts securing the

front outer idler wheel and the idler wheel
mounting block. Account for flat washers and an
axle.

AG678D

AG686D

2. Note the locations of the flat washers for assembly

purposes. The washers are to be installed next to
the idler wheels.

AG622D

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 each plastic hub 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 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.

! CAUTION

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

9-29

9

AG538D

D. Install the snap ring making sure the “sharp

side” is directed away from the bearing.

AG539D

E. Install the insert (if applicable).

AG540D

INSTALLING

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

cap screw and lock nut. Tighten to 5.5 kg-m
(40 ft-lb).

AG686D

2. Place the idler wheel and axle against the mount-

ing block making sure there is a flat washer on
both sides of the idler wheel.

AG622D

AG623D

3. Secure the idler wheel assembly with a cap screw

and a lock nut. Tighten cap screws to 3.2 kg-m
(23 ft-lb).

AG618D

9-30

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.

AG675D

3. Remove the cap screws securing the offset pivot

idler arm assembly to the idler arm; then remove
the offset pivot arm idler assembly. Account for a
flanged axle, flared bushing, idler spacer collar,
and lock nuts.

AG677D

4. Remove the idler wheel.

„

NOTE: It may be necessary to use the Idler

Wheel Puller Kit (p/n 0644-122) to remove the
wheel.

AG461D

5. Remove the cap screw and flat washer securing

the spring slide to the rail. Account for a slide
block and washer.

AG593D

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

! WARNING

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

9-31

9

AG681D

„

NOTE: Use the same procedure for the other

side.

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.

AG538D

D. Install the snap ring making sure the “sharp

side” is directed away from the bearing.

AG539D

E. Install the insert (if applicable).

AG540D

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.

AG655D

2. Place the spring slide and slide block (with spring

in slide block) into position on the slide rail.
Secure with a cap screw (coated with red Loctite
#271) and washer. Tighten to 3.2 kg-m (23 ft-lb).

! CAUTION

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