Brother DB2-DD7100A Service Manual Page 140
- Page / 153
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- DB2-DD7100A 1
- DB2-DD7100 1
- SAFETY INSTRUCTIONS 2
- CAUTION 3
- 3. Warning labels 5
- 4. About the ground symbol 5
- 1. SPECIFICATIONS 8
- 2. OPTIONAL PARTS 10
- 3. NOTES ON HANDLING 11
- 4. MECHANICAL DESCRIPTIONS 12
- 4-3. Feed mechanism 13
- 4-4. Quick reverse mechanism 14
- 1638M1635M1634M 16
- 4-8. Thread wiper mechanism 21
- 5. DISASSEMBLY 23
- 5-2. Connectors 24
- <DD7100A, 710A> 27
- 5-9. Quick reverse solenoid 28
- 5-14. Feed bar mechanism 30
- 5-15. Feed rocker shaft 30
- 5-16. Presser foot mechanism 31
- 5-19. Pulley and motor 32
- 5-20. Timing belt 33
- 5-24. Stitch length dial 35
- 6. ASSEMBLY 36
- 6-3. Plunger 38
- 6-8. Presser foot mechanism 46
- 6-9. Feed rocker shaft 47
- 6-10. Spring 47
- 6-11. Feed bar mechanism 48
- 6-14. Oil (Feed rocker shaft) 51
- 1766M1765M 53
- 6-19. Tension release wire 58
- 6-20. Quick reverse solenoid 59
- 6-22. Oil tank 61
- 6-23. Tension release wire 62
- 6-24. Ground wire 62
- 6-25. Operation panel 62
- 6-27. Safety switch 64
- 6-29. Other devices 64
- 6-30. Connectors 65
- 6-31. Lubrication 66
- (DD7100A,710A) 67
- (DD7100) 67
- 6-33. Test operation 68
- 7. ADJUSTMENTS 70
- 7-9. Quick reverse mechanism 76
- 7-11. Synchronizer Adjustment 77
- 7-13. Adjusting the treadle 79
- Less oil 80
- More oil 80
- 8. CONTROL SYSTEM 82
- NO. K 0 1 A 111 0 1 84
- NO. G01A11111 85
- 11. CONTROL CIRCUIT BOARD 86
- Control box 88
- DIP switches 88
- OFF: Down 88
- 12-3. Parameters 90
- 12. FUNCTION SETTING METHODS 92
- 12-5. Memory switches 94
- 13. TREADLE UNIT ASSEMBLY 97
- 13-2.Standard setting values 98
- 1) Signal setting entry 99
- 7) Completion of setting 102
- 14. STANDING OPERATION PEDAL 103
- 14-2. Connectors 104
- <CN15> 105
- (1) Puller output 105
- (6) Puller power supply 105
- 16. AUTO BOBBIN CHANGER 106
- 17. SPEED SETTING METHODS 107
- 18. CLEARING THE MEMORY DATA 109
- Power switch 110
- 20. CHECKING THE SOLENOIDS 111
- 21. WIRING DIAGRAMS 112
- Operation panel B-40 (2/3) 138
- Operation panel B-40 (3/3) 139
- Operation panel B-100 (2/3) 141
- Operation panel B-100 (3/3) 142
- 22. TROUBLESHOOTING 143
- Large degree of puckering 144
- Oil gauge 146
- 22-2. Error code displays 150
- Voltage rating label 151
- SERVICE MANUAL 153
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