5-6. Upper shaft mechanism; 5-6. Upper shaft mechanism ; 5. DISASSEMBLY- Page 54

5. DISASSEMBLY

BAS-311G, BAS-326G

47

5-6. Upper shaft mechanism 

1. Screw (Loosen) 

2. Set screw (Loosen) 

3. Thread take-up crank 

4. Screws [3 pcs] (Loosen) 

5. Crank cover 

6. Bolts [2 pcs] 

7. Crank rod [Upper part] 

8. Needle bearing 

9. Crank rod [Lower part] (Lower downward) 

10. Rubber cap 

11. Set screws [2 pcs] (Loosen) 

12. Set screws [2 pcs] (Loosen) 

13. Set screws [2 pcs] (Loosen) 

14. Set screws [2 pcs] (Loosen) 

15. Set screws [2 pcs] (Loosen) 

16. Set screws [2 pcs] (Loosen) 

17. Set screws [2 pcs] (Loosen) 

18. Set screws [2 pcs] (Loosen) 

19. Screws [3 pcs] (Loosen) 

20. Fries wheels [2 pcs] 

21. Bolts [4 pcs] (Loosen) 

22. Motor assy 

23. Thread trimmer cam 

24. Joint assy 

25. Upper shaft 

26. Pulley gear R 

27. Bobbin winder driving wheel 

28. Stepping clamp cam assy

29. Set screw (Loosen) 

30. Pulley assy 

If the motor assembly cannot be removed,

insert bolts into these two tapping holes

and gradually tighten them to remove the

motor assembly. 

Be careful not to drop the needle

bearing. 

5094Q