Brother BAS-761 manuals

Brother BAS-761 Service Manual (179 pages)

Brand: Brother | Category: Sewing machines | Size: 2.88 MB |

English

Table of contents

SAFETY INSTRUCTIONS

2

CAUTION

3

3. Warning labels

5

1-3. Needle zigzag mechanism

10

1-4. Lubrication mechanism

12

1-5. Thread trimmer

14

1-6. Presser bar lifter

16

1-7. Stacker

16

1-8. Feed guide mechanism

17

1-9. Folding mechanism

18

1. MECHANICAL DESCRIPTIONS

19

1-11. Bobbin winder mechanism

20

2-1. Basic operation

21

<Starting>

22

<Removing stacker>

23

<Removing folding base>

24

3. DISASSEMBLY

25

3-2. Presser foot mechanism

26

3-5. Needle bar

28

3-6. Motor

29

3-7. Timing belt

29

3-8. Auxiliary shaft

30

3-9. Zigzag

31

4. ASSEMBLY

33

4-2. Auxiliary shaft

34

4-3. Timing belt

34

4-4. Motor

35

4-5. Needle bar

36

4-8. Presser foot mechanism

38

4-9. Cover

39

5. ADJUSTMENT

41

X2.4 rotary hook : 2.4 mm

46

X1.7 rotary hook : 1.8 mm

46

X2.4 rotary hook : 1.2 mm

46

5-4. Tension release

49

5-5. Thread tension

49

<Thread guide, R>

50

<Fixed knife>

51

<Needle>

51

5-11-1. Folding clamp

56

5-11-2. Inner clamp

56

5-11-3. Center blade

56

5-11-4. Sewing clamp

57

5-11-9. Stacker wiper

59

5-11-10.Stacker bar inside

59

5-11-11. Stacker bar outside

59

5-11-12. Stacker roller

60

5-30-2. Setting of MODE

73

<Operation panel>

76

<Programmer>

76

6-3. Power supply

77

6-4. PROM

80

6-5. Connector

81

P3 [TRIM] (MOLEX 5273-02A)

82

P4 [POWER] (MOLEX 5566-10A)

82

P7 [FDD] (3 M 3431-6002SCFL)

84

P23 [CLAMP] (MOLEX 5045-03A)

88

6-5-2. Power supply PCB

91

P1 [MAIN] (MOLEX 5277- 04A)

91

P4 [AC-IN] (MOLEX 5277 - 06A)

91

6-5-3. Operation panel PCB

92

6-5-4. Programmer PCB

94

P2 [MAIN] (MOLEX 5268-12A)

94

6-5-5. Pattern sensor PCB

95

6-6. Sensor

96

6-6-2. Function of sensor

97

< Jig pattern sensor >

99

< Cylinder sensor >

100

< Clamp-in sensor >

101

BAS-7610

102

6-7. Harness

103

6-8. Servo amplifier

115

< Servo motor >

116

6-9. DIP switches

119

6-10. Error code

121

6-11. Exchange of PCB

125

6.ELECTRIC COMPONENTS

126

6. ELECTRIC COMPONENTS

127

7. FOLDING MACHINE

131

7-2. Valve

133

7-4. Adjustment

136

Tucking blade R-3J

138

Tucking blade L-3J

138

Tucking blade LD-3J

138

Tucking blade RD-3J

138

D. Program defect

139

C. Program defect

140

B. Program defect

142

E. Program defect

148

D. Program defect

149

A. The flap margin is small

153

A. The flap margin is small

156

A. The flap margin is large

157

21. The pocket top is narrow

162

22. The seam margin is large

163

<Cause>

168

Tucking blade D

172

Tucking blade RDD or LDD

172

1 - 2 mm

172

Tucking blade RD

172

4. The base is curved

173

8. The corners are round

177

Brother BAS-761 Instruction Manual (47 pages)

Brand: Brother | Category: Sewing machines | Size: 1.29 MB |

English

Table of contents

INSTRUCTION MANUAL

1

SAFETY INSTRUCTIONS

2

Environmental requirements

3

Installation

4

Maintenance and inspection

5

Cleaning

5

Guard bar, Belt cover, etc

6

Direction of operation

6

CONTENTS

7

2. Specifications

9

3. Installation

10

4. Lubrication

15

5. Correct operation

16

5-3. Bobbin case threading

17

5-4. Bobbin thread winding

18

5-5. Thread tension

19

6. Button functions

20

6-3. Foot switch

24

6-4. RESTART buttones

24

7. Settings before sewing

25

Change bobbin counter

27

BOBBIN COUNTER 60

27

Screen 3

27

8. Preparation for sewing

30

9. Sewing

32

9-5. Test feeding

36

9-6. Emergency stop

37

10. Adjustments

38

Belows rail

40

11. Using the DIP switches

43

12. Table of error code

45

BROTHER INDUSTRIES, LTD

47

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