Troy-Bilt 521 - Manual (Page 14)

14
Models 521 and 721
Ref. No. Part No. Description
1. 629-0071 Extension Cord
2. 710-0157 Hex Bolt 5/16-24 x 0.75”
3. 710-0409 Hex Bolt 5/16-24 x 1.75”
4. 710-0502A TT Sems Screw
5. 710-0751 Hex Screw 1/4-20 x 0.620”
6. 710-1003 B Screw #10-16 x 0.625”
7. 710-3013 Hex Screw 1/4-20 x 0.50”
8. 712-3006 Hex Nut 1/4-20
9. 719-0581 Spacer
10. 726-0205 Hose Clamp
11. 731-2825 Choke Knob
13. 736-0119 Lock Washer
14. 736-0242 Beleville Washer
15. 736-0329 Lock Washer
16. 741-0475 Plastic Bushing
17. 751-0535 Fuel Line Hose
18. 751-0540A Gas Tank
19. 751-0603 Fuel Cap
20. 754-0101A V-Belt
21. 756-0416B V-Pulley Half
22. 756-0475 Pulley
23. 784-0322 Engine Mount
24. 784-0323 Support Bracket
25. 784-0374 Support Plate: Engine Mount
Ref. No. Part No. Description
1
2
3
4
5
6
7
8
9
10
11
13
14
15
13
3
15
16
17
18
19
20
21
22
23
24
25
Engine is for reference only
and may not resemble the
engine on your snow thrower.