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2
2-Thread Overlock
The 2-thread function provides an economical and less bulky means of overedging all fabrics.
T
The standard 2-thread overlock is the same as a 2-thread flatlock stitch.
When sewn with specialty threads, 2-thread sewing makes decorative seams and edges for
H
activewear, children's clothing, ruffles, and hemlines.
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Converting from 3-Thread Overlock
E
to 2-Thread Overlock
A
D
Left or right needle positions can be used for 2-thread
serging.
See machine threading illustrations on page 29 for
O
wide and page 30 for narrow.
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1. Open the front cover and blade cover, cut the upper
looper thread just above the threading port. (fig. A)
E
2. Raise the presser foot and pull out the clipped thread
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from under the presser foot.
Remove the upper looper thread from the machine.
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3. Place the left needle thread on far left spool pin (or
O
right needle thread on second from left spool pin) and
bring the thread end through the telescopic thread
C
guide directly above the spool of thread. Bring the
K
thread through the top thread guide that is normally
used for the upper looper (3rd from left), and down
the front. Then take the thread to the left and thread
the machine as you would for the needles in their
normal position. (see illustration on page 29 for cor-
rect threading)
4. Using the needle threader, thread the eye of left
or right needle. (see page 17 for threading of
needles)
5. Rotate the handwheel to bring the upper looper into position to attach the subsidiary looper.
Slide the subsidiary looper to the right, rotate it up and to the left (fig. B) then slip the end into
the upper looper eye. (fig.C) Close the cutting blade cover and front cover.
6. Place the needle thread and lower looper thread under the presser foot and to the back.
7. Close the cutting blade cover and the front cover.
8. The needle and lower looper thread should overcast evenly on the cut edge of the fabric.
Note: The blade cover has been removed in photos B and C for a clear view. You do not need
28
to remove the blade cover.
2
1
A A
B B
2
1
C C
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