Brother RH-9820 manuals

Brother RH-9820 Service Manual (236 pages)

Brand: Brother | Category: Sewing machines | Size: 5.52 MB |

English

Table of contents

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

Brother RH-9820 User Manual (6 pages)

Brand: Brother | Category: Sewing machines | Size: 0.82 MB |

English

Table of contents

Machine time

1

Sewing with less noise

2

Fine stitches are available

2

Conventional

3

Easy maintenance

4

Environment-conscious

5

RH-9820

6

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