ATV Arctic Cat 2002. Service Manual - part 8

 

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ATV Arctic Cat 2002. Service Manual - part 8

 

 

65

3

Separating Crankcase 

Halves

1. Remove the five right-side 6 mm cap screws (one

from inside the case) securing the crankcase

halves. Note the location of the different-lengthed

cap screws.

57)

2. Remove the seven left-side 6 mm cap screws

securing the crankcase halves. Note the location of

the wiring form. Note the location of the

different-lengthed cap screws.

796)

3. Remove the three left-side 8 mm cap screws (two

from inside the case) securing the crankcase

halves. Note the location of the different-lengthed

cap screws.

798)

4. Remove the three right-side 8 mm cap screws

securing the crankcase halves.

79?)

5. Using the Crankcase Separator/Crankshaft

Remover (p/n 0444-009) and tapping lightly with

a rubber mallet, separate the crankcase halves.

Account for two alignment pins, an O-ring, and a

washer.

„

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!

!

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799)

77)

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66

7)

7)

Disassembling 

Crankcase Half

„

  / ! 7   

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„

  

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1. Remove the two shift shafts (E and H).

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68

3

2. Remove the reverse shift cam (G) and spacer.

3. Disengage four forks from the gear shift cam (F);

then remove the reverse shifter fork.

75)

4. Remove the gear shift cam (F).

76)

5. Remove the three remaining forks noting their

positions for assembling purposes.

6. Remove the reverse idle gear (K) w/shaft. Account

for the bushing, two washers, and the circlip.

7. Simultaneously, remove the driveshaft assembly

(I) and countershaft assembly (D). Account for the

washer on the countershaft.

„

  / &   " #

 "!

 " $

;$

8. Remove the front output shaft (4x4) (J) and rear

shaft assemblies. Account for the bearing C-ring.

„

        

 " "

 &$

66)

9. Remove the driven gear from the crank balancer

assembly (A). Account for a key.

65)

„

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 $

;$

10. Remove the crank balancer assembly (A).

„

  B "    

 &

&  &

$

11. Using the Crankcase Separator/Crankshaft

Remover (p/n 0444-009), push the crankshaft

assembly out of the crankcase.

 AT THIS POINT

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6?

5)

12. To remove the output shaft and gear, remove the

nut, slide the gear off the shaft (account for a shim

or shims), and drive the shaft out with a plastic

mallet (account for a shim or shims).

4?)

Assembling Crankcase 

Half

„

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„

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$

 1. To install the output shaft and gear, place the shaft

into position with proper shims, slide the gear onto

the shaft, and secure with a new nut tightened to

10 kg-m (72 ft-lb).

8)

6)

 2. Using the Crankshaft Installer (p/n 0444-018),

install the crankshaft.

5)

 3. Install the crank balancer.

 AT THIS POINT

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69

3

6?)

4. With the key in position, slide the driven gear onto

the crank balancer making sure the timing marks

are aligned.

65)

68)

66)

 5. Place the bearing C-ring into position in the

crankcase; then install the front shaft (4x4) and

rear shaft assemblies.

7)

 

6. Simultaneously, install the driveshaft and

countershaft assemblies making sure the washer is

on the countershaft.

98)

 7. Install the reverse idle shaft with circlip making

sure the oil hole in the shaft is facing downward;

then install a washer, bushing, reverse idle gear,

and a washer.

9)

! CAUTION

   !    !  

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87

)

8. Place each of the four shift forks into its respective

gear or dog as noted during disassembling; then

install the gear shift cam.

78)

76)

9. Engage the four forks to the gear shift cam; then

install the reverse shift cam and spacer.

75)

7)

10. Install the two gear shift fork shafts; then verify

that the two crankcase half alignment pins are in

place.

74)

„

  2  ;  " 

!!&$

Joining Crankcase 

Halves

1. Place the O-ring in the left-side crankcase half and

verify that the shim washer is on the idler shaft;

then apply Three Bond Sealant (p/n 0636-070) to

the mating surfaces. Place the right-side half onto

the left-side half.

7)

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8

3

7)

4)

 2. Using a plastic mallet, lightly tap the case halves

together until cap screws can be installed.

 3. From the left side, install the three case half 8 mm

cap screws; then tighten only until snug.

„

  1       

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79?)

 4. From the right side, install the three case half 8

mm cap screws (two inside the case); then tighten

only until snug.

„

  1       

 $

798)

5. From the left side, install the seven case half 6 mm

cap screws; then tighten only until snug.

„

  1       

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796)

6. From the right side, install the five case half 6 mm

cap screws (one inside the case); then tighten only

until snug.

„

  1       

 $

795)

7. In a crisscross/case-to-case pattern, tighten the 8

mm cap screws (from step 4) until the halves are

correctly joined; then tighten to 2-2.4 kg-m

(14.5-17 ft-lb).

„

  1       

 $

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8

8. In a crisscross/case-to-case pattern, tighten the 6

mm cap screws (from steps 5-6) to 0.9-1.3 kg-m

(6.5-9.5 ft-lb).

„

  1       

 $

Installing Right-Side 

Components

A. Oil Strainer/Oil Pump
B. Gear Shift Shaft

1. Place the oil strainer with a new O-ring into

position beneath the crankcase and tighten

securely with the Phillips-head cap screws.

6)

2. Place the strainer cap into position on the strainer

making sure the O-ring is properly installed and

secure with the cap screws; then install and tighten

the oil drain plug to 2.2 kg-m (16 ft-lb).

79)

3. Place the oil pump into position in the crankcase

and secure with the three Phillips-head screws

coated with blue Loctite #243. Tighten to 1 kg-m

(7 ft-lb).

797)

4. Place the pin and washer into position on the oil

pump shaft, install the oil pump driven gear, and

secure with the circlip.

7??)

5. Place the gear shift cam plate and guide onto the

gear shift cam making sure the alignment pin was

installed. Secure assembly with the cap screw

coated with blue Loctite #243. Tighten securely.

7?8)

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8

3

64)

6. Attach the spring to the gear shift cam stopper

arm.

7?6)

5)

7. Install the gear shift shaft.

7?5)

C. Primary Driven Gear
D. Primary Driven Clutch
E. Starter Clutch Shoe

„

  %! 8   !  

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8. Install the spacer, pin, and oil pump drive gear

onto the crank balancer shaft making sure the

shoulder of the drive gear is facing inward toward

the crankcase; then secure with the washer and nut

tightened to 8 kg-m (58 ft-lb).

7?)

7?7)

9. Place the chain into the crankcase; then secure it

from the top side with a wire for ease of assembly.

789)

10. Install the primary driven washers onto the

driveshaft and crankshaft.

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84

)

11. Install the bushing into the primary driven gear.

9)

8

12. Install the clutch pressure disc.

?)

13. Alternately install the 6 drive clutch fiber plates

and the 5 driven clutch steel plates.

8)

14. Install the clutch sleeve hub making sure the

marks scribed in removing are aligned. The

alignment dots must also be aligned to assure that

the clutch assembly works properly.

788)

30

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85

3

64

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65

15. Simultaneously, place the primary driven clutch

assembly and the starter clutch housing on their

respective shafts making sure the sleeve is

properly positioned in the primary assembly.

78?)

„

       

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16. Using the Clutch Sleeve Hub Holder (p/n

0444-007), install the nut and washer. Tighten to

10 kg-m (72 ft-lb).

786)

17. Place the primary drive one-way clutch into the

starter clutch housing noting the word OUTSIDE

for proper placement.

785)

18. Install the clutch shoe and washer; then secure

with the starter clutch-shoe nut (left-hand threads).

Tighten to 13 kg-m (94 ft-lb); then using a center

punch, stake the nut.

78)

19. Install the release roller assembly making sure the

four springs are in position; then using a crisscross

pattern, tighten the four cap screws securely.

! CAUTION

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86

„

       & !

!

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$

784)

20. Install the clutch release arm and release roller

guide making sure the release roller and guide are

aligned.

6)

21. Secure the clutch release arm with the cap screw

coated with blue Loctite #243. Tighten securely.

78)

22. Install the reverse cam stopper housing and gasket

making sure the stopper and spring are correctly

positioned. Tighten to 2.3 kg-m (16.5 ft-lb).

769)

F. Water Pump
G. Oil Filter

„

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!!$

„

  (    ! 

7B47!"$

23. Place the water pump drive joint into position on

the water pump shaft making sure the pin is

properly positioned.

7?)

„

  

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56)

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88

3

24. Place the gasket and right-side cover into position

making sure the release roller guide remains

correctly positioned and that the water pump drive

adapter aligns; then install the fifteen cap screws.

Note the proper location of the long cap screw

with rubber washer.

76?)

25. Tighten the cap screws in a crisscross pattern to

0.9-1.3 kg-m (6.5-9.5 ft-lb).

26. Place the water pump cover onto the right-side

cover making sure the new O-ring is properly

positioned. Tighten securely with the three cap

screws.

7?)

78)

27. Using the oil filter wrench, install a new oil filter.

768)

28. Install the coolant hose on the water pump and

secure with the clamp.

Installing Left-Side 

Components

(400 2x4)

A. Idle Gear Assembly
B. Magneto Rotor

1. Place the starter into position on the crankcase and

secure with the cap screws. Note the position of

the wiring form.

765)

2. Place the shift-indicator sending unit into position

making sure the neutral contact and spring are

inside the case and a well-oiled O-ring is properly

positioned. Secure with Phillips-head screws.

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8?

749)

74?)

3. Install the starter idle gear pin into the crankcase;

then with the beveled side of the idle gear facing

the crankcase, install the idle gear.

764)

4. Place the drive spacer onto the output spacer; then

install the driven gear and washer.

76)

5. Install a spacer and a washer onto the driveshaft.

5?)

6. In turn on the driveshaft, install the #1 gear and

splined washer; then secure with the circlip.

759)

7. Place the idle gear spacer onto the countershaft.

5?)

8. Place a spacer on the driveshaft.

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89

3

59)

9. Install the shift shaft on the gear shift shaft; then

install the circlip and a washer.

58)

10. Install the starter idle gear and pin in the

crankcase.

56)

11. Place the starter clutch gear assemlby onto the

crankshaft; then place the key into its notch.

5)

)

12. Place the magneto rotor into position on the

crankshaft; then install the magneto rotor nut on

the crankshaft and tighten until the rotor is

properly seated. Tighten to 16 kg-m (116 ft-lb).

5)

13. Install the two alignment pins into the left

crankcase half.

„

  -     <B= 

!<2=!<%=

!$

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?7

5)

C. Cover

„

  %!    !  

!!$

14. Place the gasket and left-side cover into position

on the crankcase.

„

  ,& &!  !

 "#$

15. Install the fourteen cap screws to secure the

left-side cover. Note the location of the long cap

screw with rubber gasket.

5)

16. In a crisscross pattern, tighten the cap screws to

0.9-1.3 kg-m (6.5-9.5 ft-lb).

17. Install the spacer onto the crankshaft; then secure

with a flange nut.

57)

18. Place the gasket and recoil cover into position on

the left-side cover; then tighten four cap screws to

0.8 kg-m (6 ft-lb).

579)

Installing Left-Side 

Components

A. Idle Gear Assembly
B. Magneto Rotor

1. Place the starter into position on the crankcase and

secure with the cap screws. Note the position of

the wiring form.

765)

2. Place the shift-indicator sending unit into position

making sure the neutral contact and spring are

inside the case and a well-oiled O-ring is properly

positioned. Secure with Phillips-head screws.

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