Brother NX-450 - Manual (Page 40)

Replacing the Needle 39
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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.
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”.
a
Press (“Needle Position” button) once or
twice to raise the needle.
a “Needle Position” button
b
Turn off the sewing machine.
CAUTION
c
Place fabric or paper under the presser foot to
cover the hole in the needle plate.
Note
z Before replacing the needle, cover the hole
in the needle plate with fabric or paper to
prevent the needle from falling into the
machine.
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● Before replacing the needle, be sure to
turn off the sewing machine, otherwise
injuries may occur if
(“Start/Stop”
button) is accidentally pressed and the
machine starts sewing.
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