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Automatic Buttonhole (Model 340)
Machine setting
Stitch pattern:
q
Stitch width:
4 – 5
w
Stitch length:
0.5 – 1
e
r
Thread tension: 1 – 5
t
Presser foot:
R
NOTES:
The size of buttonhole is automatically determined by
placing the button in the automatic buttonhole foot.
The button holder of the foot takes a button size up to 1"
(2.5 cm) in diameter.
Make a test buttonhole on a sample duplicating the
fabric, interfacing and seams of the actual garment to
check the settings.
Use interfacing on stretch fabrics.
Turn the handwheel toward you to raise the needle to its
highest position.
1
Place the automatic buttonhole foot with the pin lies
just under the groove on the foot holder. Lower
the foot lifter to snap the foot in place.
q
Groove
Pin
w
2
Pull to open the button holder to the back (A), and
place the button in it. Push back (B) the button
holder against the button to hold it tight.
Button holder
e
NOTE:
Thick buttons - If the button does not fit through the test
buttonhole, lengthen the buttonhole by pulling the
buttonhol by pulling open the button holder to create a
small gap.
Small gap
r
54
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