Brother RH-9820 Service Manual page 135

1. Knife support washer
2. Flat screws [2 pcs]
3. Bush thread trimmer arm
4. Screws [2 pcs]
5. Nut
6. Spring hook
7. Screws [2 pcs]
8. Thread trimmer link A
assembly
9. Thread trimmer link B
assembly
10. Wave washer
11. Movable knife R
12. Thread handler
13. Screws [2 pcs]
14. Movable knife L
F
Spring hook installation
(Top)
G
15. Shoulder screw
(Temporarily tighten)
16. Nut (Temporarily tighten)
17. Movable knife driving plate
18. Roller
19. Retaining ring
20. Thread trimmer link lever J
assembly
21. Shoulder screw
22. Nut
23. Pin
24. Spring hook
25. Screw
26. Thread cutter lever arm
27. Socket bolt
(Temporarily tighten)
28. Spring
29. Work clamp plate JU
30. Screws [2 pcs]
(Bottom)
RH-9820
1) Provisionally tighten the nut (5) about halfway
onto the spring hook (6).
2) Install the spring hook (6) to the cloth work
clamp plate (a), and then tighten the nut (5) to
the position shown in the illustration.
* Check that the end of the spring hook (6) is
not protruding from the surface of the cloth
work clamp plate (a).
* Install the spring hook (6) so that the hole
(b) faces in the direction shown in the
illustration.
Install the pin (23) so that it projects by the
distance shown in the illustration.
6. ASSEMBLY
1020B
1021B
126