6-9. Needle bar mechanism; 6-9. Needle bar mechanism ; 6. ASSEMBLY- Page 84

6. ASSEMBLY

BAS-311G, BAS-326G

77

6-9. Needle bar mechanism 

Apply grease <GREASE BZL-301 (SA2694-001)> specified by Brother to the portions indicated by the white arrows. 

1. Slide block guide

2. Bolts [2 pcs] (Temporarily tighten)

3. Washer 

4. Thread take-up lever assy 

5. Needle bearing 

6. Needle bar crank 

7. Set screws [2 pcs] 

8. Set screw 

9. Needle bearing 

10. Needle bearing 

11. Screw 

12. Thread take-up support 

13. Thread take-up support shaft assy

14. Set screws [2 pcs] 

15. Rubber caps [2 pcs] 

16. Rubber cap 

17. Slide block 

Left-hand thread 

5142Q

Set so that this hole faces upward, and

then push in gently while tightening the

set screw to install. 

Inside hole 

While gently pushing the needle bar

crank in the shaft direction, align the

set screw with the screw stop and then

tighten the set screw. 

After securing the needle bar, position the

slide block guide so that the machine pulley

turns smoothly, and then tighten the bolts. 

Fit the chamfering side of the

slide block into the groove on

the slide block guide.