Brother BP3500D Operation Manual page 90

a Use chalk to mark on the fabric the position and length
of the buttonhole.
a
1 Marks on fabric
2 Buttonhole sewing
Pull out the button guide plate of buttonhole foot "A",
b
and then insert the button that will be put through the
buttonhole.
■ If the button does not fit in the button guide
plate
Add together the diameter and thickness of the button,
and then set the button guide plate to the calculated
length. (The distance between the markings on the presser
foot scale is 5 mm (3/16 inch).)
1
2
1 Presser foot scale
2 Length of buttonhole (diameter + thickness of button)
3 5 mm (3/16 inch)
Example: For a button with a diameter of
15 mm (9/16 inch) and a thickness of 10 mm (3/8 inch),
the button guide plate should be set to 25 mm (1 inch) on
the scale.
2
1 10 mm (3/8 inch)
2 15 mm (9/16 inch)
→ The size of the buttonhole is set.
c Attach buttonhole foot "A".
Position the upper thread under the presser foot by
guiding thread through the hole in the presser foot
before attaching the buttonhole foot "A".
3
1
Buttonhole Stitching/Button Sewing
d Select a stitch.
e Position the fabric with the front end of the buttonhole
mark aligned with the red marks on the sides of the
buttonhole foot, and then lower the presser foot lever.
c
1 Mark on fabric (front)
2 Red marks on buttonhole foot
3 Upper thread
Pass the upper thread down through the hole in the
presser foot.
• When lowering the presser foot, do not push in the
front of the presser foot.
1 Do not reduce the gap.
Memo
• If there is difficulty in aligning the marks, slowly
turn the handwheel toward you to check where
the needle will enter the fabric, and then align the
mark on the fabric with that point.
f Pull down the buttonhole lever as far as possible.
a
1 Buttonhole lever
The buttonhole lever is positioned behind the bracket
on the buttonhole foot.
1
2
1 Buttonhole lever
2 Bracket
a
A
a
Sewing S-15
S