Brother RH-9820 Service Manual page 137

1. Cylinder assembly
2. Cylinder joint A
3. Cylinder setting plate A
4. Screws [2 pcs]
(Temporarily tighten)
5. Thread take-up lever
driving plate
6. Thread take-up lever plate
7. Collar A
8. Washer
9. Socket bolt
10. Nut
11. Screw
12. Thread take-up lever base
13. Screws [2 pcs]
14. Collar B
15. Washer
16. Socket bolt
17. Plain washer
18. Compression spring
19. Impact support shaft
20. Retaining ring C
21. Button clamp A
22. Impact support plate
A
Assemble as shown in the illustration.
(When cylinder is at maximum retraction)
B
Assemble as shown in the illustration.
(When cylinder is at
maximum retraction)
23. Screws [2 pcs]
24. Tension discs [2 pcs]
25. Tension disc presser
26. Tension disc presser
27. Tension spring
28. Washer
29. Tension nut
30. Tension stud U
31. Set screw
32. Tension release pin
33. Solenoid cushion
34. Washer
35. Nut
36. Bolt
37. Upper thread tension release
solenoid
38. Plain washers [2 pcs]
39. Spring washers [2 pcs]
40. Bolts [2 pcs]
41. Solenoid setting plate
RH-9820
42. Screws [2 pcs]
43. Upper thread guide A
44. Screw
45. Thread guide discs [2 pcs]
46. Pre-tension spring B
47. Tension nut
48. Tension stud
49. Thread guide rod A
50. Sewing thread retainer guide
51. Screws [2 pcs]
52. Sewing thread retainer guide
53. Screws [2 pcs]
54. Thread spool pin
55. Nut
56. Rubber cap
C
Install the thread spool pin (54) so
that the holes face in the direction
shown in the illustration.
0859B
6. ASSEMBLY
0858B
Holes
0860B
128