Brother RH-9820 Service Manual Page 135
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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6. ASSEMBLY
RH-9820
126
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
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]
F Spring hook installation
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.
G
Install the pin (23) so that it projects by the
distance shown in the illustration.
1020B
1021B
(Top)
(Bottom)
- RH-9820 1
- SAFETY INSTRUCTIONS 3
- DANGER 4
- CAUTION 4
- [3] Warning labels 6
- Belt cover 7
- CONTENTS 8
- 1. MACHINE SPECIFICATIONS 10
- 2. FUNCTION SETTINGS 11
- 0708B 0709B 12
- 2-6. Input checking method 24
- 2-7. Output checking method 27
- 3. READING/WRITING DATA 31
- 3-3. Data read/write mode 32
- 4. MECHANICAL DESCRIPTIONS 35
- 4-4. Feed mechanism 38
- 4-5. Presser foot mechanism 39
- 4-6. Cloth opening mechanism 40
- 4-7. Cutter mechanism 41
- 4-8. Looper mechanism 41
- 4-9. Spreader mechanism 42
- <-01> 44
- <-02> 45
- 5. DISASSEMBLY 47
- 5-3. Feed mechanism 50
- 5-3-2. X feed unit 51
- 5-3-3. Y feed unit 51
- 5-5. Spreader mechanism 53
- 5-6. Looper mechanism 54
- 5-8. Looper base mechanism 56
- 5-9. Needle bar mechanism 57
- 5-10. Lubrication 58
- 5-12. Upper shaft mechanism 61
- 5-13. Cutter mechanism 62
- 6. ASSEMBLY 63
- 6-1. Cutter mechanism 64
- B Assemble as shown in the 65
- D Insert the cutter arm pin 65
- 6-3. Zigzag mechanism 68
- Insert into the groove 69
- C Assemble as shown in the 79
- D Place the pulse motor Y 79
- E Belt tension adjustment 80
- (Viewed from the left) 84
- (Viewed from the front) 84
- Measurement 91
- 6-10. Lower shaft mechanism 94
- Should be no clearance 98
- 6-11. Looper mechanism 99
- (Clearance) 100
- (Viewed from underneath) 100
- 6-12. Spreader mechanism 101
- (When at 103
- Clearance： 103
- 6-14. Threading mechanism 104
- 6-15-1. Feed base 106
- (When at maximum retraction) 111
- 6-15-2. X feed shaft holder 113
- (Viewed from directly to 114
- (Viewed from the side) 114
- Base of 114
- 6-16. X feed mechanism 116
- A Assemble as shown in the 117
- Measurement position 121
- 6-19. Covers 124
- <-01 specifications> 130
- A Spring hook installation 132
- <-02 specifications> 134
- F Spring hook installation 135
- (When cylinder is at 137
- 6-23. Routing the harnesses 138
- 6-24. Routing the air tubes 140
- E Inserting the wicks 146
- Maintain a 147
- 7. ADJUSTMENTS 150
- Looper height 151
- 0487B 0488B 155
- Moves to left 156
- Moves to right 156
- 0.01 - 0.08mm 158
- CAUTION 166
- (When using a 173
- 2-pedal foot switch) 173
- 0.3 mm 181
- 184
- Needle plate 186
- value will not be changed 198
- 6. Press the TEST key (6) 200
- 8. ELECTRICAL MECHANISM 206
- 1199B 0692B 207
- 8-3. Description of fuses 208
- 8-4-1. Connector positions 209
- 8-5. Troubleshooting 215
- 8-5-2. Diagnosis flowchart 216
- 8-5-3. Remedy 219
- 9. ERROR CODES 228
- 10. TROUBLESHOOTING 234
- SERVICE MANUAL 236
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