6-12. Shuttle hook mechanism; 6-13. Thread trimmer mechanism (2); 6-12. Shuttle hook mechanism - Page 90

6. ASSEMBLY

BAS-311G, BAS-326G

83

6-12. Shuttle hook mechanism 

6-13. Thread trimmer mechanism (2) 

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

After installing the shuttle hook, carry out the adjustments in “7-4.

Adjusting the needle bar lift amount”, “7-5. Adjusting the driver needle

guard” and “7-6. Adjusting the needle clearance”. 

5149Q

1. Needle bar thread guide 

2. Needle 

3. Set screw 

4. Shuttle hook 

5. Shuttle race base 

6. Shuttle race base setting claw (Close)

7. Bobbin 

8. Bobbin case 

1. Fixed knife 

2.  Plain washers [2 pcs] 

3.  Screws [2 pcs] 

4.  Movable knife spacer 

5.  Movable knife assy 

6.  Movable knife collar 

7. Thrust washer 

8.  Movable knife shoulder screw 

9. Needle plate 

10. Screws [2 pcs] 

11. Flat screws [2 pcs] 

5150Q

5152Q

5151Q

Movable knife
connecting plate

Insert the pin of the movable knife assembly into the

hole in the movable knife connecting plate, and then

install the needle plate with the screws and flat screws

so that the needle drops into the center of the needle

hole.