Snowmobile Arctic Cat (2004 year). Manual - part 120

8-80

ARCTIC CAT CAM ARMS

04-CAM

8-81

8

Torque Specifications

ITEM

TORQUE

Drive Clutch

ft-lb

kg-m

50-55
6.9-7.6

Spider

ft-lb

kg-m

250
34.5

Spider Retainer Nut

ft-lb

kg-m

85
11.8

Drive Clutch Cover

ft-lb

kg-m

10
1.4

Driven Pulley Roller Plate

ft-lb

kg-m

11-13
1.5-1.8

Driven Pulley

ft-lb

kg-m

19-24
2.6-3.3

Chain Case 

ft-lb

Top Sprocket

kg-m

35-40
4.8-5.5

Chain Case 

ft-lb

Bottom Sprocket                  kg-m

   (w/Reverse)

19-24
2.6-3.3

Chain Case Bottom                 ft-lb
   Sprocket (w/o Reverse)     kg-m

35-40
4.8-5.5

Hub/Brake Disc

in.-lb

kg-m

36
0.4

Flange Plate

ft-lb

kg-m

16-18
2.2-2.5

Brake Caliper/Chain Case

ft-lb

(Standard Models)

kg-m

50
6.9

Brake Caliper/Chain Case

ft-lb

(AWS VI Models)

kg-m

50
6.9

Brake Caliper/Chain Case

ft-lb

(Composite Chain Case)

kg-m

35
4.8

Chain Case Cover

ft-lb

kg-m

12-15
1.7-2.1

Chain Case Drain Plug

ft-lb

kg-m

35
4.8

8-82

Troubleshooting

Drive Clutch/

Driven Pulley

Problem: Midrange Shift-Up (Too Quickly - Lowers RPM)

Condition

Remedy

1. Drive clutch spring weak

2. Driven pulley spring weak

3. Driven pulley spring preload tension

inadequate

4. Center-to-center distance too close

5. Driven pulley bearing worn — damaged

1. Replace drive clutch spring

2. Replace driven pulley spring

3. Increase spring preload tension

4. Adjust center-to-center distance

5. Replace bearing — movable sheave

Problem: Midrange Shift-Up (Too Slowly - Raises RPM)

Condition

Remedy

1. Drive clutch components dirty

2. Driven pulley components dirty

3. Driven pulley spring preload tension

excessive

4. Driven pulley bearing worn — dirty

1. Clean drive clutch components

2. Clean driven pulley components

3. Decrease spring preload tension

4. Clean — replace bearing — movable sheave

Problem: Excessive Belt Deposits

Condition

Remedy

1. Offset adjusted incorrectly

2. Drive clutch/driven pulley sheaves rough — 

damaged — dirty

3. Driven pulley movable sheave travel impaired

4. Driven pulley bearing worn — dirty

1. Adjust offset

2. Repair — replace — clean drive clutch/driven 

pulley

3. Service driven pulley

4. Clean — replace bearing — movable sheave

Problem: Excessive Belt Drag—Impaired Drive Clutch Disengagement

Condition

Remedy

1. Drive clutch components dirty — damaged

2. Drive belt does not meet measurement 

specifications

1. Clean — replace drive clutch components

2. Replace drive belt

Problem: Engine RPM Suddenly Increases—Drive Clutch Vibrates

Condition

Remedy

1. Cam arm pin bent — damaged

2. Cam arm damaged — broken

3. Drive clutch out of balance

1. Replace pin

2. Replace cam arm

3. Align — replace components — drive clutch

Problem: Driven Pulley Vibrates

Condition

Remedy

1. Sheave rivets loose — broken

2. Driven pulley out of balance

1. Replace sheave

2. Service — replace driven pulley

8-83

8

Troubleshooting

Drive Belt

Problem: Drive Clutch Engagement (Before Specified RPM)

Condition

Remedy

1. Drive clutch spring weak — bent

2. Cam arms incorrect — worn

1. Replace spring

2. Replace cam arms

Problem: Drive Clutch Engagement (After Specified RPM)

Condition

Remedy

1. Drive clutch spring incorrect

2. Spider buttons worn

1. Replace spring

2. Replace buttons

Problem: Drive Clutch Sticks

Condition

Remedy

1. Drive clutch components dirty

2. Movable sheave bent — binding

3. Spider buttons worn

1. Clean drive clutch components

2. Clean — replace movable sheave

3. Replace buttons

Problem: Drive Clutch Jerks—Shifts Erratically

Condition

Remedy

1. Drive clutch dirty

2. Rollers worn

3. Cam arms rough

4. Spider buttons worn

5. Sheaves dirty

1. Clean — drive clutch components

2. Replace rollers

3. Polish — replace cam arms

4. Replace buttons

5. Clean sheaves

Problem: Drive Belt Glazed

Condition

Remedy

1. Drive belt does not meet measurement 

specifications

2. Drive clutch spring tension inadequate

3. Drive clutch components dirty — damaged

4. Offset — parallelism — center-to-center 

distance adjusted incorrectly

1. Replace drive belt

2. Replace drive clutch spring

3. Clean — replace drive clutch

4. Adjust offset — parallelism — center-to-center 

distance

Problem: Drive Belt Lugs Torn Off—Frayed—Worn in One Spot

Condition

Remedy

1. Drive belt does not meet measurement 

specifications

2. Offset — parallelism — center-to-center 

distance adjusted incorrectly

3. Drive clutch engagement — idle RPM too high

4. Drive clutch components dirty — damaged

5. Driven pulley/shaft rotation impaired

6. Drive belt damaged from improper break-in

1. Replace drive belt

2. Adjust offset — parallelism — center-to-center 

distance

3. Service drive clutch — reduce idle RPM

4. Clean — replace drive clutch components

5. Service driven pulley/shaft — chain-case 

components

6. Replace Drive Belt