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Thread Nipper Device - Brother KE-430F Instruction Manual

Electronic direct drive lockstitch bar tacker electronic direct drive lockstitch button sewer.
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4. PREPARATION BEFORE SEWING
[Guide to maximum sewing speed for KE-430F]
Use
8 layers of denim
12 layers of denim
Ordinary materials
For knitted materials and
foundation garments
NOTE:
The thread may break due to heat under some sewing conditions. If this happens, reduce the sewing speed, or use the
needle cooler (option).

4-6. Thread nipper device

This is used to stop the thread from pulling out at the sewing start, and at times when skipped stitches might easily occur.
The thread nipper device operates when memory switch no. 500 is set to "ON". However, some limitations apply. Refer to
"6-2. List of memory switches" for details.
* The default setting for this memory switch is "OFF".
[Notes on use]
31
Max. sewing speed (sti/min)
Standard hook
3,200
2,700
2,700
2,500
1. When using the thread nipper device, turn the tension
nut (1) (sub-tension) to adjust the upper thread trailing
length to 35 - 38 mm.
* Adjust the upper thread trailing length to less than 40
2307B
2. If the upper thread trailing length is 40 mm or more, or if
the upper thread tension is weak and the upper thread
does not form a good seam at the first stitch, the end of
the thread that is being held by the thread nipper may
become wound around the seam.
Furthermore, if using thick thread that is #30 or higher or
if the thread trailing length is too long, an error [E691]
may occur.
In any of these cases, use scissors to cut the thread
without pulling it up too hard.
4475Q
KE-430F, BE-438F
Large hook
2,500
2,500
mm after replacing the upper thread also.

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This manual is also suitable for:

Be-438fKe-430f series

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