MTD 643 Snow Blower User Manual


 
25
Models 643 & 663
Ref.
No.
Part No. Part Description
1. 710-0599 Hex Screw
2. 784-5688 Drive Cable Guide Bracket
3. 784-5687A Auger Clutch Cable Bracket
4. 756-0625 Roller Cable
5. 738-0924 Hex Screw 1/4-28
6. 784-5630B Frame Assembly
7. 741-0563 Ball Bearing
8. 736-0105 Bell Washer
9. 712-0116 Lock Jam Nut
10. 741-0598 Hex Flange Bearing
11. 736-0188 Flat Washer
12. 784-5689A Front Support Guide Bracket
13. 710-0538 Lock Hex Screw
14. 736-0242 Bell Washer .340 ID x .872 OD
15. 714-0474 Cotter Pin
16. 736-0160 Flat Washer .536 ID x .930 OD
17. 710-0809 Hex Washer Screw 1/4-20
18. 784-5590 Frame Shift Bracket
19. 784-5638 Frame Cover
20. 710-0599 Hex Washer Screw 1/4-20
21. 736-0351 Flat Washer .760 ID x .50 OD
22. 717-1445 Gear
23. 714-0126 Key
24. 717-1444 7-Tooth Shaft
25. 715-0249 Roll Pin
26. 714-0143 Klik Pin
27. 684-0042C Friction Wheel Assembly
28. 656-0012A Friction Disc Wheel
29. 684-0013B Wheel Shift Rod Assembly
30. 746-0897 Drive Cable
31. 748-0190 Spacer
32. 684-0021 Friction Wheel Bracket Assembly
33. 732-0264 Extension Spring
34. 712-0711 Jam Nut 3/8-24
35. 746-0898B Drive Cable
36. 738-0869 Axle 13 Wheels
738-0830 Axle 16 Wheels
37. 790-00010 Friction Plate
38. 735-0243B Friction Wheel Rubber
39. 718-0301A Friction Wheel Hub
40. 618-0063A Friction Wheel Bearing
41. 710-1652 Tap Screw 1/4-20
42. 712-0703A Insert Nut 5/16-18
43. 711-1364 Clevis Pin
44. 736-0142 Flat Washer .281 ID x .50 OD
45. 714-0507 Cotter Pin
46. 790-00011 Friction Plate
Ref.
No.
Part No. Part Description