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Two-thread sewing
How to set the thread change assembly
NOTE:
Be sure to set the thread change assembly to the
machine after completing the needle threading
using the needle threader. (You cannot use the
needle threader with the thread change assembly
set to the machine.)
1. Turn off the machine for safety.
2. Turn the hand wheel so that the mark on the
hand wheel is aligned to the "
TC
" mark on the
machine.
TC
3. Hold the thread change assembly 1 with your
fingertips tightly so that the gap is closed as
shown below.
1
4. While holding the thread change assembly 1,
push the hole of the thread change assembly
onto the upper end of the OL shaft 2 so that
the OL shaft passes through the hole.
5. Push the thread change assembly 2 fully
downward until the tip 3 of the thread change
assembly is put in the eye of the upper looper
4.
Setting of the looper has finished.
Chart of two-thread overlock stitch
Make sure that the tip is in the
eye of the upper looper.
Stitch length
Stitch width
Stitch finger
Thread tension
Left needle
thread
Lower looper
thread
Right needle
thread
Lower looper
thread
For fine
materials
2 (1 - 3)
6 (5 - 7)
2 (1 - 3)
6 (5 - 7)
For medium
materials
2 (1 - 3)
6 (5 - 7)
2 (1 - 3)
6 (5 - 7)
3
5 - 7
Install