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Replacing the Needle 31
1
Note
● Never use a thread of weight 20 or lower. It
may cause malfunctions.
Memo
● The smaller the thread number, the thicker
the thread, and the larger the needle
number, the thicker the needle.
● Use the ball point needle when sewing on
stretch fabrics or fabrics where skipped
stitches easily occur.
● Use a 90/14 to 100/16 needle with
transparent nylon threads, regardless of the
fabric being sewn.
Checking the needle
Sewing with a bent needle is extremely dangerous
since the needle may break while the machine is
being operated.
Before using the needle, place the flat side of the
needle on a flat surface and check that the distance
between the needle and the flat surface is even.
1 Flat side
2 Needle type marking
■ Correct needle
1 Flat surface
■ Incorrect needle
If the distance between the needle and the flat
surface is not even, the needle is bent. Do not use
a bent needle.
1 Flat surface
● The appropriate fabric, thread and
needle combinations are shown in the
table on page 30. If the combination of
the fabric, thread and needle is not
correct, particularly when sewing thick
fabrics (such as denim) with thin needles
(such as 65/9 to 75/11), the needle may
bend or break. In addition, the stitching
may be uneven or puckered or there may
be skipped stitches.
CAUTION
1
2
1
1
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