Zigzag And Thread Take-Up Mechanisms - Brother RH-9820 Service Manual

5. DISASSEMBLY

5-11. Zigzag and thread take-up mechanisms

1090B
51
* Carry out the following with the
machine head in the upright position.
<Zigzag mechanism>
10. Zigzag unit (Remove the whole
11. Needle bar block collar
<Thread take-up mechanism>
12. Set screw (Loosen)
13. Thread take-up L support shaft
14. Thread take-up lever unit
RH-9820
1. Screw (Loosen)
2. Needle bar block bracket
(screw type)
3. Set screws [2 pcs] (Loosen)
4. Zigzag cam (Slide to remove
from zigzag fork.)
5. Set screws [2 pcs] (Loosen)
6. Zigzag coaxial rock shaft
(Pull out)
7. Spacer
8. Set screw (Loosen)
9. Zigzag fork support shaft
(Pull out)
unit from the side of the arm
main plate.)
(Pull out)
(Remove the roller from the
grooved cam and lift upward.)