Rotary Hook Mechanism - Brother LZ2-B850 Service Manual

4.ASSEMBLY

4-3. Rotary hook mechanism

5. Rotary hook holder
6. **Screw (Temporarily tighten)
* After "5-15. Adjusting the needle and rotary hook timing" (page 5-12), tighten the two set screws.
** After "5-16. Adjusting the hook stopper position" (page 5-12), tighten the screw.
*** After "5-5. Adjusting the forward/back, right/left position of the feed dog" (page 5-03), tighten the two screws.
4-03
1. Needle
10. Two flat screws
13. Slide plate
2.
8. ***Two screws (Temporarily tighten)
3. Rotary hook
12. Two flat screws
11. Auxiliary needle plate
9. Needle plate
LZ2-B850,B851
7. Feed dog
After "5-15. Adjusting the needle and
rotary hook timing" (page 5-12),
install the feed dog.
4. *Two set screws
(Temporarily tighten)
1074S
1075S