Troy Bilt 640 Users Manual

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TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

Printed In USA

Il l u s t r a t e d Pa r t s Ma n u a l

Small Frame Tiller — 640 & 650 Series

Form No. 769-03824

(January 18, 2008)

22

640 & 650 Series Handle & Tine Shield

23

27

25

28

41

33

22

36

31

34

4

29

30

4

1

7

16

2

12 18 46

7

15

8

7

19

11

21

9

20

3

9

10 14

5

13

17

7

44

49

6

24

37

6

32

49

48

24 40

35

38

26

4

47

43

45

47 39

A

A

48

39

42

33

640 & 650 Series Handle & Tine Shield

Ref. Part Number Description

1. 686-04076 Tine Hood Assembly (A)

—686-04077 Tine Hood Assembly (B, C)

2. 710-0395 Hex Screw, ⁄-18 x 2.25

3. 710-0597 Hex Head Screw, ⁄-20 x 1

4. 710-0599 Self-Tapping Screw, ⁄-20 x ⁄

5. 710 - 0874 Hex Head Screw, ⁄-18 x 1-⁄

6. 710-3008 Hex Head Screw, ⁄-18 x .75

7. 712- 04063 Nylon Hex Lock Nut, ⁄-18

8. 712- 04064 Nylon Hex Lock Nut, ⁄-20

9. 715-0108 Spirol Pin

10. 732-04320 Depth Regulator Spring

11. 736-0275 Flat Washer, ⁄

12. 750 -04149 Spacer, .462 x .328 x 1.63

13. 750-04160 Bushing

14. 750-04556 Spacer

15. 786-04092 Reverse Stop Arm

16. 786-04098 Channel Support Bracket

17. 786-04104 Drag Bar

18. 786-04191 Flap Stop Bracket

19. 786-04290 Hood Bracket, Left Hand

20. 786-04291 Hood Bracket, Right Hand

21. 786-04292 Adjustable Depth Bar

22. 710-0106 Hex Hd. Screw, ⁄-20 x 1-⁄

23. 710-04163 Screw, #10-24 x 2

24. 712-3009 Hex Lock Nut, ⁄-18

25. 712-0121 Hex Nut, #10-24

Ref. Part Number Description

26. 712- 0291 Hex Lock Nut, ⁄-20

27. 732-04185 Forward Clutch Spring

28. 746-04208 Forward Clutch Cable Assembly

29. 746-04058 Rev. Clutch Cable Assembly (B, C)

30. 747-04210 Forward Clutch Bail

31. 749 - 04084 Upper Handlebar

32. 749-04208 Lower Handlebar

33. 749-04106 Conduit Mount Tab

34. 786-04040 Reverse Clutch Cable Bracket (B, C)

35. 786-04188 Handlebar Support

36. 786-04200 Panel

37. 710-0216 Hex Screw, ⁄-16 x ⁄

38. 710-0805 Hex Screw, ⁄-18 x 1-⁄

39. 712-3000 Hex Lock Nut, ⁄-16

40. 736 - 0119 Lock Washer, ⁄

41. 725-0157 Cable Tie

42. 736-3050 Flat Washer, ⁄

43. 712-04065 Flange Lock Nut, ⁄-16

44. 710-0347 Hex Hd. Screw, ⁄-16 x 1-⁄

45. 710-0514 Hex Hd. Screw, ⁄-16 x 1

46. 710-04048 Flange Screw, .312-18 x 1.00

47. 742- 0 4117 Single Bolo Tine Left Hand

48. 742- 0 4116 Single Bolo Tine Right Hand

49. 686-04066 Tine Holder (A)

— 686-04065 Tine Holder (B, C)

(A) — Bronco

(B) — Super Bronco

(C) — Pro Line

44

640 & 650 Series Drive System

23

29

8

19

27

14

40

45

44

13 49

12

46

21

23

34

39

23

5

37

17

32

15

27

20

36

25

33

28

35

22

31

30

6

2

42

7

48

26

1

10

1

4

18

43

11

15

9

37

16

24

18

38

3

18 38

3

641

32

36

11

43 50

42

2

30

31 35

25

28

33 22

37

17

15

27

20

47

A

A

Bronco

Engine shown for reference only.

55

640 & 650 Series Drive System

Ref. Part Number Description

1. 736-0159 Flat Washer, ⁄

2. 756-04198 Engine Drive Pulley

3. 656-04023A Transmission Pulley (A)

—656-04005A Transmission Pulley (B, C)

4. 756-04169 Reverse Idler Pulley (B, C)

5. 786-04095 Belts/Pulleys Guard

6. 754-04090 Forward Drive Belt

7. 754-04091 Reverse Drive Belt (B, C)

8. 731-05268 Belt Cover

9. 732-04289 Reverse Return Spring (B, C)

10. 732-04081 Belt Guide (B, C)

11. 732-04079 Belt Guide

12. 786-04068 Engine Bracket Left

13. 786-04069 Engine Bracket Right

14. 786-04070 Belt Cover Bracket

15. 748- 04087 Shoulder Washer

16. 786-04276 Reverse Idler Arm (B, C)

17. 786-04275 Forward Idler Lever

18. 710 - 0117 Hex Head Screw, ⁄-24 x 1

19. 710-0237 Hex Head Screw, ⁄-24 x ⁄

20. 710-0376 Hex Head Screw, ⁄-18 x 1

21. 710-04049 Hex Head Screw, ⁄-18 x ⁄

22. 710-0347 Hex Head Screw, ⁄-16 x 1-⁄ (A)

—710-0520 Hex Head Screw, ⁄-16 x 1.50 (B, C)

23. 710-0599 Self-Tapping Screw, ⁄-20 x ⁄

24. 710-3103 Hex Head Screw, ⁄-18 x 2 (B, C)

25. 712-3000 Lock Nut, ⁄-16

26. 712-3009 Lock Nut, ⁄-18 (B, C)

Ref. Part Number Description

27. 73 6 - 0119 Lock Washer, ⁄ (A)

28. 750-0535 Spacer, .380 ID x .625 OD x .21 (A)

—736-3050 Flat Washer, .406 x .812 x .051 (B, C)

29. 736-3090 Flat Washer, .260 x .720 x .060

30. 736-0452 Bell Washer, .396 x 1.140 x .095

31. 710-0459A Hex Head Screw, ⁄-24 x 1.50

32. 736-04181 Support Washer, .690 x 1.250 x .075

33. 732-04085 Forward Return Spring

34. 786-04107 Cable Mounting Bracket

35. 756 - 04170 Forward Idler Pulley

36. 714-0105 Key, ⁄” x 1”

37. 736-3078 Flat Washer, .344 x 1.00 x .063

38. 736-04193 Belleville Washer, .827 x .331 x .098

39. 710-0805 Hex Screw, ⁄-18 x 1.50 (A, B)

—710-0395 Hex Screw, ⁄-18 x 2-⁄ (C)

40. 712-04063 Hex Lock Nut, ⁄-18

41. 750-0258 Shlder Spacer, .315 x .750 x .375 (A)

42. 736-0315 Flat Washer, .75 x 1.5 x .125 (A)

—736-04192 Flat Washer, .786 x 1.000 x .031 (B, C)

43. 736-0242 Bell Washer, .340 x .872 x .060

44. 749-04193 Bumper (C)

45. 726-0201 Speed Nut, ⁄-18 (C)

46. 714-0143 Klik Pin

47. 734- 04188 Complete Wheel Ass., 10 x 2.75 (A)

48. 634-04232 Complete Whl. Ass., 13 x 5 x 6 (B, C)

49. 618-04360A Transmission Assembly (A)

—618-04362 Transmission Assembly (B, C)

50. 710-0672 Hex Head Screw, ⁄-24 x 1.25

(A) — Bronco

(B) — Super Bronco

(C) — Pro Line

66

640 & 650 Series Transmission Assembly

16

20

11

25

7

9

4

41

18

22

426 18

20

17 11

20 25

6

27

3

5

19

13

21

21

21

21

12

2

25

20

11

17

25

20 11

16

20

23

24

15

25

24

23

10

8

77

640 & 650 Series Transmission Assembly

Ref. Part Number Description

1. 1918377 Cover Housing

2. 619- 04013 Transmission Housing

3. 710-04048 Hex Head Flange Screw

4. 710-04049 Hex Head Flange Screw

5. 710-3008 Hex Screw

6. 711- 0 4078 Tiller Shaft

7. 711- 0 4 4 86 Wheel Shaft

8. 711- 0 48 82 Drive Shaft

9. 714-04059 Hi-Pro Key

10. 716-04102 Retaining Ring

11. 716-04104 Retaining Ring

12. 717- 04380 Worm Gear, 61T

13. 717-04381 Worm Gear, 30T

14. 718-04008 Rear Bearing Cover

15. 721-04030 Oil Seal, .75 x 1.783

16. 721-04031 Oil Seal, 1.0 x 1.499

17. 721-04036 Oil Seal, 1.0 x 1.5

18. 721-04229 Gear Housing Gasket

19. 73 6 - 0119 Lock Washer

20. 736-04309 Flat Washer, 1.375 x 1.015 x .062*

—736-04308 Flat Washer, 1.5 x 1.75 x .01*

—736-04307 Flat Washer, 1.5 x 1.75 x .03*

—736-04306 Flat Washer, 1.5 x 1.75 x .005*

—736-04305 Flat Washer, 1.5 x 1.75 x .062*

—736-04304 Flat Washer, 1.25 x .75 x .06*

—736-04260 Flat Washer, 1.015 x 1.375 x .03*

— 736-04259 Flat Washer, 1.015 x 1.375 x .015*

—736-04258 Flat Washer, 1.015 x 1.375 x .01*

—736-04257 Flat Washer, 1.015 x 1.375 x .005*

21. 736-04310 Flat Washer, 1.015 x 1.234 x .062

22. 737-04202 Pipe Plug

23. 741-04298 Cone Bearing

24. 741- 04299 Cup Bearing

25. 741-04300 Bushing, 1.005 x 1.25 x 1.5

26. 786-04359 Transmission Cover

27. GW-1104 Woodru Key, .25 x 1.12

* — The at washers listed are used as required to obtain .005 to

.030 in allowable end play on the wheel shaft and tine shaft and

a .005 to .015 in end play on the drive shaft.

TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

To order replacement parts or locate your nearest service dealer call Customer Support at (800) 828-5500.

or visit www.troybilt.com to find the nearest authorized dealer in your area.