Snowmobile Arctic Cat (2002 year). Manual - part 146

9-62

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.

AG540D

ASSEMBLING

1. In order from the right-hand side, slide the axle

through the slide rail axle bracket; then place a flat

washer, short spacer with bushings, inner idler

wheel with insert, long spacer with bushings, and

flat washer on the axle. Slide the axle through the

opposite slide rail axle bracket. Place the plastic

adjuster bushings on the axle (on the outside of

each axle bracket). Make sure the hole in the

adjuster bushing is aligned directly with the

adjusting bolt.

AG805D

AG551D

2. Place the outer idler wheels on the axle (with the

large flat of the insert directed inward) and secure

with two cap screws (coated with red Loctite

#271) and large flat washers. Tighten cap screws

to 3.2 kg-m (23 ft-lb).

AG548D

3. Adjust track alignment (see Track Alignment in

this sub-section).

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9

4. Adjust track tension deflection (see Track Tension

in this sub-section).

Idler Arm

„

NOTE: The skid frame must be removed for this

procedure (see Removing Skid Frame in this sub-
section).

DISASSEMBLING

1. Remove the rear upper idler wheels and springs

(see Rear Upper Idler Wheels/Rear Springs in this

sub-section).

AG545D

2. Remove the cap screw and lock nut securing the

upper shock eyelet to the idler arm. Account for a

spacer, lock nut, and bushings.

AG467D

AG553D

„

NOTE: Mark the hole that the upper shock links

are mounted in for assembly purposes.

AG554D

3. Remove the cap screw and lock nut securing the

upper shock links to the idler arm. Account for a

lock nut, spacer, flat washers, and axle links.

AG682D

AG556D

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„

NOTE: Note the mounting hole from which the

rear arm was removed for assembly purposes.

AG683D

4. Remove the cap screw and lock nut securing the

rear arm to the slide rail. Account for the serrated

axles and axle tube.

AG558D

AG560D

5. Remove the cap screw and lock nut securing the

rear arm to the idler arm. Account for the alumi-

num axle and bushing assemblies.

AG477D

AG561D

CLEANING AND INSPECTING

„

NOTE: Whenever a part is worn excessively,

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

1. Clean the bearings with a clean cloth.

2. Inspect each idler wheel for cracks or damage.

3. Inspect the bushings (located in the arm pivot

area) for wear or damage.

4. Inspect all welds and the tubing of the upper arm

for cracks or unusual bends.

5. Inspect the two adjusting cams for damage.

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

check for binding or roughness.

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

A. Remove the wheel insert 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.

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9

AG538D

D. Install the snap ring making sure the “sharp

side” is directed away from the bearing.

AG539D

E. Install the insert.

AG540D

ASSEMBLING

AG562D

1. Install the rear arm onto the idler arm with an alu-

minum axle, bushing assemblies, cap screw, and a

lock nut. Tighten to 3.2 kg-m (23 ft-lb).

AG477D

„

NOTE: Install the rear arm assembly into the

appropriate mounting hole as noted during disas-
sembly.

2. Place the rear arm assembly into position (with the

brace facing towards the front side) between the

slide rails. Secure with a cap screw and lock nut.

Tighten to 3.2 kg-m (23 ft-lb).

AG558D

3. Position the shock links in the appropriate holes of

the idler arm brackets (see Chassis and Skid Frame

Mounting Locations in this section). Place a

spacer between the center of the brackets; then

place a flat washer on the cap screw. Insert the

axle links into the upper shock link eyelets; then

insert the cap screw with washer through the eye-

lets. Secure with a cap screw, washer, and lock

nut. Tighten to 3.2 kg-m (23 ft-lb).