Snowmobile Arctic Cat (2008 year). Instruction - part 122

 

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Snowmobile Arctic Cat (2008 year). Instruction - part 122

 

 

7-48

MS143

5. Remove the cap screw and flat washer securing

the front outer idler wheel to the mounting block;

then remove the idler wheel.

MS133A

6. 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.

MS144A

MS014

7. 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 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 or suitable driving tool,

remove the bearing from the inside of the

wheel.

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

the idler wheel.

MS006A

! CAUTION

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

7-49

7

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.

MS145

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

in slide block) into position on the slide rail.

Secure with a cap screw and washer. Tighten to 34

ft-lb.

MS014

MS015

3. Install the rear upper idler wheel on the idler arm.

AG545D

MS072A

! 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.

7-50

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

MS064

5. Place the flared bushing with a thin flat washer

through the notched side of the offset pivot arm

assembly.

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

6. Align the marks on the idler arm to the centerline

of the pivot arm assembly. Secure the pivot arm to

the idler arm with cap screws and lock nuts.

Tighten to 34 ft-lb.

MS146A

„NOTE: When tightening the pivot arm lock nuts,
tighten the lower lock nut first or binding may
occur.

MS019B

Rear Axle and

Idler Wheels

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

DISASSEMBLING

1. Remove the cap screw and large flat washer secur-

ing the outer rear idler wheel. Remove the outer

idler wheel from the shaft.

FC194

„NOTE: The large flat side of the wheel insert is
positioned next to the inner plastic adjuster bush-
ing. The idler wheel must be installed with the
wheel insert properly positioned.

2. Loosen the track adjusting bolts. Slide the outer

adjuster bushings off the axle.

MS147A

7-51

7

MS148

3. Carefully slide the shaft out from the slide rails

and note the position of the spacers and washers.

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 all idler wheel inserts (inner and outer) for

any cracks.

3. Inspect the outer rubber portion of the idler wheels

for cracks and poor bonding.

4. Inspect the plastic insert of each idler wheel for

cracks.

5. Inspect the shaft for wear and damaged threads.

6. Inspect all idler wheel bearings. Turn each bearing

(by hand) and if any roughness or binding is noted,

replace the bearing.

7. 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 or suitable driving tool,

remove the bearing from 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

ASSEMBLING

1. In order from one side, slide the axle through the

slide rail; then place a flat washer, short spacer

with bushings, inner idler wheels with inserts (if

applicable), 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.

! CAUTION

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

 

 

 

 

 

 

 

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