Snowmobile Arctic Cat 2-Stroke (2007 year). Instruction - part 106

 

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Snowmobile Arctic Cat 2-Stroke (2007 year). Instruction - part 106

 

 

8-44

AF347D

7. Remove the flex nut securing the front roller cage

and roller. Remove the cage and roller.

8. Set the brake lever lock; then remove the lock nut

and spring washer securing the bottom sprocket

and the lock nut and spring washer securing the

top sprocket.

AF345D

AF344D

9. Slide both sprockets with chain off the shafts.

Account for washer(s) behind the top sprocket.

Release the brake lever lock.

„NOTE: If a sprocket will not slide off the shaft,
thread the nut onto the shaft; then use a puller to
loosen the sprocket. The nut will prevent damage
to the threads.

10. Remove the six lock nuts securing the top and bot-

tom chain case flange plates. Remove the flange

plates, seals, and bearings.

AF116D

11. Remove the screws securing the air-intake silencer

to the steering support; then pull the silencer for-

ward and place it on the carburetors/throttle body.

„NOTE: Using a hold-down strap, secure the air-
intake silencer to the engine.

12. Loosen the set screw on the PTO-side driven shaft

collar. Drive the collar clockwise (opposite shaft

rotation) until it is free.

„NOTE: A fine file should be used to remove any
burrs left by the collar set screw.

13. Remove the two lock nuts and carriage bolts

securing the PTO-side driven shaft flange plate.

14. Force the driven shaft toward the PTO-side (rotat-

ing the shaft to prevent the brake disc from bind-

ing on the shaft) until the brake disc is free.

Account for the key.

15. Continue to slide the driven shaft until it is out of

the PTO-side. Account for a bearing, flange plate,

and the PTO-side driven shaft collar.

16. Remove the skid frame from the tunnel (see Sec-

tion 9).

17. Remove the three PTO-side lock nuts securing the

driveshaft flange bearing assembly and the speed-

ometer cable adapter. Remove the cable adapter

and speedometer cable.

AF053

18. Tap the driveshaft toward the chain case to unseat

the MAG-side bearing. Remove the bearing.

8-45

8

19. Slide the driveshaft toward the MAG-side until the

PTO-end of the driveshaft is out of its mounting

hole. Tilt the end of the driveshaft away from the

tunnel and slide the driveshaft free of the tunnel.

Remove the track.

AF055

20. Scribe a line on the driveshaft along the edge of

each sprocket to aid in assembly. Loosen the set

screw on the collar and drive the collar clockwise

until free; then remove the bearing and flange

plates from the driveshaft.

21. Press the sprockets off the driveshaft.

CLEANING AND INSPECTING

„NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.

1. Thoroughly wash all metallic components in parts-

cleaning solvent. Dry using compressed air.

2. Wash all non-metallic components with soap and

water.

3. Inspect the driveshaft and driven shaft for dam-

aged splines or stripped threads.

4. Inspect the bearings for any roughness or damage.

5. Inspect the seals for any breaks or damage.

6. Inspect the track for cuts, gouges, or wear.

7. Inspect the keyways in the driven shaft for wear or

damage.

8. Inspect the brake disc for wear or cracks.

9. Inspect the chain, sprockets, and chain tensioner

components for wear or damage.

10. Inspect the track drive sprockets for wear or dam-

age.

ASSEMBLING

1. Press the sprockets on the driveshaft noting the

scribed marks on the shaft and the timing mark

found on one tooth of each sprocket. The timing

mark is an arrow molded into the outer surface of

one drive tooth of the inside sprockets and on the

inside surface of the outside sprockets. All the

arrow markings must be in alignment.

„NOTE: Sprocket style will vary from model to
model.

739-057A

739-059A

„NOTE: Make sure the sprockets are installed cor-
rectly and the bearing is positioned between the
flange plates ensuring correct timing of the
sprockets.

2. Assemble the driveshaft components on the PTO-

end of the driveshaft. 

3. Install the bearing lock collar; then install the

flange bearing assembly with the bolts facing

towards the tunnel.

4. Position the front of the track into the tunnel.

Install the driveshaft with the splined end through

its mounting hole in the chain case.

8-46

AF055

5. Place the PTO-end of the driveshaft into position

by sliding the bolts of the flange bearing assembly

through the holes in the tunnel.

6. Place the cable adapter into position on the flange

bearing assembly bolts. Secure with three lock

nuts. Tighten to specifications.

AF053

7. Slide the MAG-side bearing onto the driveshaft

(inner race flange must be positioned toward drive

chain); then install the O-ring seal and flange

plate. Insert the cap screws from the inside of the

tunnel through the chain case, seal, and flange.

Secure with three lock nuts. Tighten to specifica-

tions.

8. Place the bottom sprocket onto the splines. Finger-

tighten a lock nut (threads coated with blue Loctite

#243) and spring washer. DO NOT TIGHTEN AT

THIS TIME.

9. Install the PTO-side bearing with collar and flange

plate on the driven shaft; do not tighten the collar

at this time. 

10. Place the driven shaft into position making sure

the brake disc and flange plate are properly posi-

tioned. Secure the PTO-side bearing and flange

plate with two carriage bolts and lock nuts.

Tighten to specifications.

11. On the MAG-side of the driven shaft, install the

bearing, seal, and flange plate. Secure with three

lock nuts. Tighten to specifications.

„NOTE: If washers were removed from behind the
top sprocket; install them at this time.

12. Loop the chain around the bottom sprocket and

slide the top sprocket with chain onto the driven

shaft. Secure the top sprocket with a lock nut

(threads coated with green Loctite #609) and

spring washer. Tighten to specifications. Tighten

the bottom sprocket lock nut (from step 8) to spec-

ifications.

AF344D

AF345D

13. Check the alignment of the sprockets using the fol-

lowing procedure.

A. Place a straightedge against the faces of the

sprockets.

B. Using a feeler gauge, check for clearance along

the faces of both sprockets. If clearance exceeds

0.8 mm (0.030 in.), shimming is necessary.

0725-171

„NOTE: Sprockets can only be shimmed out.

8-47

8

14. On the PTO-side of the driven shaft and the track

driveshaft, slide the lock collar against the bearing,

drive the collar in the direction of rotation until

tight, and tighten the collar set screw securely.

AF058

15. Install the skid frame (see Section 9).

16. Remove the hold-down strap securing the air-

intake silencer; then place the silencer into posi-

tion making sure the boot is properly positioned on

the carburetors/throttle body.

17. Secure the silencer to the steering support with the

two screws.

18. Apply a light coat of grease or Loctite Anti-Seize

Thread Compound (p/n 0678-146) to the driven

shaft; then install the driven shaft alignment wash-

ers (as required) and key. Install the driven pulley,

stub shaft, alignment washers (as required),

washer, and cap screw. Tighten the cap screw

(coated with blue Loctite #243) to specifications.

„NOTE: Make sure keyways match when installing
the driven pulley. Arrange washers to allow the
least amount of float on the driven shaft. A maxi-
mum of 1.5 mm (0.060 in.) float is allowable.

AF057

19. Check the alignment of the drive clutch/driven

pulley (see appropriate Drive Clutch/Driven Pul-

ley in this section).

20. Tip the snowmobile onto the PTO-side using card-

board to prevent scratching the belly pan; then

install the washers, rollers, and spring. Secure with

two washers and cotter pins.

AF113D

21. Tighten the mechanical chain tensioner finger-

tight; then lock the jam nut against the chain case.

AF347D

22. Place the front roller cage and roller into position

and secure with the flex lock nut.

23. Check the position of the chain-case cover O-ring

seal; then place the chain-case cover into position

and secure with six cap screws and lock washers.

Tighten to specifications.

AF111D

24. Install the drain plug and tighten to specifications;

then pour 236 ml (8 fl oz) of Arctic Cat Transmis-

sion Lube (p/n 0636-817) into the chain case.

25. Install the drive belt and check drive belt deflec-

tion (see appropriate Drive Clutch/Driven Pulley

in this section). Secure the belt guard.

 

 

 

 

 

 

 

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