Brother RH-981A Service Manual Page 49
- Page / 138
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- SERVICE MANUAL 1
- SAFETY INSTRUCTIONS 2
- Notes on safety 3
- Environmental requirements 3
- Installation 3
- Cleaning 4
- Maintenance and inspection 4
- Warning labels 5
- CONTENTS 6
- 1. MECHANICAL DESCRIPTIONS 9
- 1-2. Needle bar mechanism 10
- 1-3. Thread take-up mechanism 10
- 1-4. Zigzag mechanism 11
- 1-6. Feed mechanism 12
- 1-7. Work clamp mechanism 13
- 1-8. Cloth opener mechanism 14
- 1-9. Cutter mechanism 15
- 1-10. Looper mechanism 15
- 1-11. Spreader mechanism 16
- 2. DISASSEMBLY 18
- 2-2. Feed mechanism 19
- 2-3. Lubrication mechanism 19
- 2-6. Looper base mechanism 22
- [Needle bar mechanism] 24
- [Zigzag mechanism] 24
- [Thread take-up mechanism] 24
- 2-8. Knife pipe assembly 25
- 2-9. Lower shaft mechanism 25
- 2-10. Synchronizer mechanism 26
- 2-11. Upper shaft mechanism 26
- 2-12. Cutter mechanism 27
- 2-13. Zigzag fork mechanism 27
- 3. ASSEMBLY 28
- 3-2. Cutter mechanism 29
- 3-3. Upper shaft mechanism 30
- 3-4. Lower shaft mechanism 31
- 3724Q 3725Q 32
- 3-9. Looper base 41
- 3-10-1.Driving looper shaft 42
- 3-12. Lubrication mechanism 48
- 3-12-2. Driving gear shaft 49
- 3-13. Feed mechanism 50
- 3-13-2. Y direction 51
- 3-14. Synchronizer 54
- 3-16. Safety switch 55
- 4. ADJUSTMENT 56
- Measuring the opening amount 58
- 3779Q3777Q 60
- 3791Q 3792Q 63
- Spreader height 64
- Looper height 64
- 3800Q 3801Q 70
- Decrease 71
- Increase 71
- 3815Q3813Q 77
- 3821Q3820Q 79
- 3828Q 3829Q 83
- 5. POWER SUPPLY EQUIPMENT 86
- 5-2. Fuse explanation 88
- 5-3. Connectors 90
- Control circuit board 92
- Power supply circuit board 92
- 5-5. Summary of DIP switches 106
- 5-6-1. Memory switch table 110
- 6. AIR PRESSURE MECHANISM 115
- 6-1-2. Air tubes 116
- 6-2. Air tube layout 117
- 3. Cutter cylinder 118
- 4. Work clamp cylinder 118
- 5. Cloth opener cylinder 119
- 7. SOFTWARE 120
- 7-2. Input check list 121
- 7-3. Output check list 124
- 7-4. List of error codes 126
- 3. Errors during operation 127
- 4. Hardware errors 128
- 7-5. Troubleshooting 129
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