Brother International HE-800B Instruction Manual - English - Page 9

Cleaning, Standard Adjustments, Table Of Error Codes, Troubleshooting, 17. Needle Breakage

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8. CLEANING 61 8-1. Cleaning 61 8-2. Draining the oil 62 8-3. Cleaning the control box air inlet port 62 8-4. Cleaning the eye guard 63 8-5. Checking the needle 63 8-6. Cleaning the length feed plate 63 9. STANDARD ADJUSTMENTS 64 9-1. Adjusting the needle bar height 64 9-2. Adjusting the needle and hook timing 65 9-3. Adjusting the clearance between needle and hook tip 66 9-4. Adjusting the inner rotary hook and rotary hook holder overlap 66 9-5. Adjusting the work clamp pressure 66 9-6. Adjusting the cutter installation 67 9-7. Adjusting the installation height of the upper thread trimmer 68 9-8. Adjusting the upper thread trimmer opening timing 69 9-9. Adjusting the lower thread clamp timing......... 70 9-10. Adjusting the bobbin presser 70 10. TABLE OF ERROR CODES 71 11. TROUBLESHOOTING 77 11-1. Upper thread breakage 77 11-2. Skipped stitches 78 11-3. Uneven seams (1) ...... At the sewing start 80 11-4. Uneven seams (2) ...... Lower thread is lifted up at the sewing start 81 11-5. Uneven seams (3) ...... Seam lifts up at the sewing start 81 11-6. Uneven seams (4) ...... Uneven sewing pitch at the sewing start... 82 11-7. Uneven seams (5) ...... Poor rounding of seam 82 11-8. Uneven seams (6) ...... Around rear tack or front tack 82 11-9. Uneven seams (7) ...... Loose thread end at end backtack 82 11-10. Uneven seams (8) ...... Thread sticking out at end backtack ........83 11-11. Uneven seams (9) ...... Sticking in needle plate 83 11-12. Uneven seams (10) ...... All stitches 84 11-13. Upper thread run out 85 11-14. Unraveling of thread trimmed by upper thread trimmer assembly 87 11-15. Upper thread miss-trimming 88 11-16. Needle strikes upper thread trimmer ..........89 11-17. Needle breakage 90 11-18. Imperfect cutter function (imperfect material cutting 91 11-19. Cutter does not return 91 11-20. Cutter and upper thread trimmer touch.......92 11-21. Seam is cut 92 11-22. Upper thread miss-winding 93 11-23. Work clamp is not raised (1) ...... Pulse motor stepping sound cannot be heard 93 11-24. Work clamp is not raised (2) ...... Pulse motor stepping sound can be heard 94 11-25. Lower thread is not trimmed (pulls when material is removed 95 11-26. Feed mechanism does not operate or motor is out of step 95 11-27. Needle does not zigzag or noise occurs when needle zigzags 96 11-28. Sewing machine stops during sewing.........96 11-29. Upper shaft does not rotate as far as the needle up stop position 96 11-30. Operation panel display freezes and operation is not possible 96 HE-800B

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HE-800B
8. CLEANING
...........................................
61
8-1. Cleaning
.........................................................
61
8-2. Draining the oil
................................................
62
8-3. Cleaning the control box air inlet port
.............
62
8-4. Cleaning the eye guard
..................................
63
8-5. Checking the needle
.......................................
63
8-6. Cleaning the length feed plate
........................
63
9. STANDARD ADJUSTMENTS
..............
64
9-1. Adjusting the needle bar height
......................
64
9-2. Adjusting the needle and hook timing
............
65
9-3. Adjusting the clearance between needle
and hook tip
....................................................
66
9-4. Adjusting the inner rotary hook and
rotary hook holder overlap
..............................
66
9-5. Adjusting the work clamp pressure
................
66
9-6. Adjusting the cutter installation
.......................
67
9-7. Adjusting the installation height of
the upper thread trimmer
................................
68
9-8. Adjusting the upper thread trimmer
opening timing
................................................
69
9-9. Adjusting the lower thread clamp timing
.........
70
9-10. Adjusting the bobbin presser
........................
70
10. TABLE OF ERROR CODES
...............
71
11. TROUBLESHOOTING
........................
77
11-1. Upper thread breakage
.................................
77
11-2. Skipped stitches
...........................................
78
11-3. Uneven seams (1) ……
At the sewing start
.....................................
80
11-4. Uneven seams (2) ……
Lower thread is lifted up at
the sewing start
.........................................
81
11-5. Uneven seams (3) ……
Seam lifts up at the sewing start
...............
81
11-6. Uneven seams (4) ……
Uneven sewing pitch at the sewing start... 82
11-7. Uneven seams (5) ……
Poor rounding of seam
.................................
82
11-8. Uneven seams (6) ……
Around rear tack or front tack
....................
82
11-9. Uneven seams (7) ……
Loose thread end at end backtack
............
82
11-10. Uneven seams (8) ……
Thread sticking out at end backtack
........
83
11-11. Uneven seams (9) ……
Sticking in needle plate
............................
83
11-12. Uneven seams (10) ……
All stitches
................................................
84
11-13. Upper thread run out
...................................
85
11-14. Unraveling of thread trimmed by upper
thread trimmer assembly
............................
87
11-15. Upper thread miss-trimming
........................
88
11-16. Needle strikes upper thread trimmer
..........
89
11-17. Needle breakage
.........................................
90
11-18. Imperfect cutter function
(imperfect material cutting)
..........................
91
11-19. Cutter does not return
.................................
91
11-20. Cutter and upper thread trimmer touch
.......
92
11-21. Seam is cut
.................................................
92
11-22. Upper thread miss-winding
.........................
93
11-23. Work clamp is not raised (1) ……
Pulse motor stepping sound cannot
be heard
......................................................
93
11-24. Work clamp is not raised (2) ……
Pulse motor stepping sound can
be heard
......................................................
94
11-25. Lower thread is not trimmed
(pulls when material is removed)
................
95
11-26. Feed mechanism does not operate or
motor is out of step
.....................................
95
11-27. Needle does not zigzag or noise occurs
when needle zigzags
..................................
96
11-28. Sewing machine stops during sewing
.........
96
11-29. Upper shaft does not rotate as far as
the needle up stop position
.........................
96
11-30. Operation panel display freezes and
operation is not possible
.............................
96