Brother BAS-761 Service Manual Page 137
- Page / 179
- Table of contents
- BOOKMARKS
Rated. / 5. Based on customer reviews
7. FOLDING MACHINE
BAS-7610
7-07
7-4-2. Characteristic troubles of three corner pocket model
1.Seam deviates down
in parallel.
2.Seam deviates up in
parallel (reverse case
to 1).
3.The seam margin at
the pocket top is
different.
4.Seam deviates to
the left in parallel.
5.Seam deviates to
the right in parallel.
6.Partial seam deviates
in parallel.
7.The stitch at the bottom
corner is not aligned
with the center line of
the folded pocket.
8.The seam margin at
the bottom is large.
9.The seam margin at
one side of the
bottom is large.
10.The seam margin is
too small at the
corners on both
sides.
11.The folded line at
the bottom corner
is round.
12.The seam margin
at the bottom is too
small.
13.The pocket outline
is curved.
14.The pocket
opening is wide.
15.The pocket
opening is not
tucked in.
16.The flap margin at
the pocket opening
is out of the pocket.
17.Material protrudes
from the pocket
opening.
18.
The pocket pattern is
not aligned with the
body pattern (when
the
p
attern is vertical
)
.
19.
The pocket pattern is
not aligned with the
bod
y
p
attern
(
when the
pattern is horizontal).
20.The needle location
at the corners is
improper.
21.The pocket top is
narrow.
22.The seam margin
is large.
23.The pocket has
skipped stitches at
the sewing start.
24.The stitch pitch is
uneven at the
corners.
25.The pocket has
skipped stitches or
thread breakage at
the pocket top.
26.The seam margin
is large. (Heavy
materials)
27.
The distance between
the inner row and the
outer row stitches is
irregular.
1819S
1801S
1802S
1803S
1804S
1805S
1806S
1807S
1808S
1809S
1810S
181 1S
1812S
1813S
1814S
1815S
1816S
1817S
1820S
1818S
1821S
1822S
1823S
1824S
1825S
1826S
1827S
- 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
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