NCBC2000.book Page 21 Thursday, October 21, 2004 4:32 PM
● The appropriate fabric, thread and needle
combinations are shown in the table on the
previous page. 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.
Checking the needle
Sewing with a bent needle is extremely dangerous
since the needle may break while the machine is
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.
a Flat side
b Needle type marking
■ Correct needle
a 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.
a Flat surface
Replacing the needle
Replace the needle as described below. Use the
screwdriver and a needle that has been determined
to be straight according to the instructions in
"Checking the needle" .
Raise the needle by turning the handwheel
toward you (counterclockwise) so that the
mark on the wheel points up. (With models
(needle position button),
raise the needle by pressing
b Needle position button
Turn off the sewing machine.
● Before replacing the needle, be sure to turn
off the sewing machine, otherwise injuries
may occur if the foot controller or the start/
stop button is accidentally pressed and the
machine starts sewing.
Lower the presser foot lever.
a Presser foot lever