Troy-Bilt 640 - Manual (Page 5)

55
640 Series Drive System
Ref. Part Number Description
1. 656-04023A Engine Pulley (A)
— 656-04005A Engine Pulley (B,C)
2. 684-04168 Idler Pulley Assembly
3. 710-0151 Hex Screw, 3⁄8-24 x 2
4. 710-04484 Screw, 5⁄16-18 x .750
5. 710-0502A Screw, 3⁄8-16 x 1.250 (A,B)
6. 710-0538 Hex Screw, 5⁄16-18 x .625
7. 710-0599 Screw, 1⁄4-20 x .500
8. 710-0606 Hex Screw, 1⁄4-20 x 1.50
9. 710-0627 Hex Screw, 5⁄16-24 x .750
10. 710-0672 Hex Screw, 5⁄16-24 x 1.250
11. 710-3008 Hex Screw, 5⁄16-18 x .75
12. 712-04064 Flange Lock Nut, 1⁄4-20
13. 714-0105 Key, 3⁄16 x 1.00
14. 732-04085 Extension Spring, .480 x 5.00
15. 732-04276A Extension Spring
16. 736-0343 Flat Washer, .330 x 1.25 x .120
17. 736-04193 Belleville Washer, .827 x .331 x .098
18. 736-0452 Belleville Washer, .396 x 1.140 x .095
19. 736-3092 Flat Washer, .265 x 1.0 x .030
20. 738-0924A Shoulder Screw, 1⁄4-28 x .340 x .335
21. 748-04087A Pivot Spacer
Ref. Part Number Description
22. 750-04571 Shoulder Spacer, .260 x .785 x .538
23. 750-04907 Pivot Spacer
24. 754-04090 Forward Drive Belt, 4 x 25.375
25. 754-04091 Reverse Drive Belt, 3 x 29.125
26. 756-04334 Engine Pulley
27. 756-0625 Cable Roller
28. 786-04312 Forward Idler Bracket
29. 786-04343 Motor Cover Plate
30. 786-04346 Reverse Idler Bracket
31. 786-04357 Bracket
32. 786-04367 Frame, Left
33. 786-04368 Frame, Right
34. 786-04371 Pulley Shield
35. 618-04597 Transmission Assembly
36. 721-04235 Rubber Oil Plug
37. 734-04188 Wheel, 10 x 2.75 (A)
38. 634-04232 Wheel, 13 x 5 x 6 (B,C)
39. 714-0143 Klik Pin
40. 710-0395 Hex Screw, 5⁄16-18 x 2.25
41. 712-04063 Flange Lock Nut, 5⁄16-18
42. 726-0201 Speed Nut, .3125
43. 749-04193 Bumper
A — Bronco
B — Super Bronco
C — Pro Line