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Jack JK-T781D - 7: TYPES OF STITCHES; 8: SETTING UP THE MACHINE HEAD; 9: ATTACHING THE BOBBIN

Jack JK-T781D
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TYPES OF STITCHES
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(Whip
stitch)
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Bar
tack
ing
seam
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This machine is capable
of
forming two different types
of
stitches, namely whip stitch and purl stitch.
(Whip
stitch)
The whip stitch is formed
in
zigzag showing the needle thread only on top
of
fabric, and the bobbin thread
on the bottom.
(Purl
stitch)
When applying higher tension to the needle thread to permit
it
to pass straight through fabric, the purl stitch
is formed
by
the bobbin thread which is pulled over from both s
id
es to the center line.
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SETTING UP THE MACHINE HEAD
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Insert hingeO into machine head.
Then, place the macnine head on the machine base.
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ATTACHING THE BOBBIN
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Hold and place a bobbin into the bobbin case so that the bobbin is wound
counterclockwise.
2.
Passing the thread through thread
outlet
~
ofthe
bobbin case, pull the thread,
and the thread can be drawn
out
from thread outlet
G)
, pa
ss
ing under the
bobbin winder tension spring.
* Set the bobbin so that
it
rotates in the arrow direction when the bobbin
thJead is pulled.
From the library of: Superior Sewing Machine & Supply LLC