Brother International SB3150 Operation Manual - Page 37

Replacing the Needle

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Replacing the Needle Replacing the Needle Be sure to observe the following precautions concerning the handling of the needle. Failure to observe these precautions is extremely dangerous, for example, if the needle breaks and fragments are dispersed. Be sure to read and carefully follow the instructions below. CAUTION • Only use recommended home sewing machine needles. Use of any other needle may bend the needle or damage the machine. • Never use bent needles. Bent needles can easily break, possibly resulting in injuries. 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. GETTING READY Note • Replace the needle in cases such as the four described below: 1 If an unusual sound is produced when the needle enters the fabric while sewing trial stitches at low speed. (The tip of the needle may be broken.) 2 If stitches are skipped. (The needle may be bent.) 3 After completing one project, such as a piece of clothing. 4 After using three full bobbins of thread. B Replacing the needle Use the screwdriver and a needle that has been determined to be straight according to the instructions in "Checking the needle". Press (Needle position button) once or twice to a raise the needle. Place fabric or paper under the presser foot to cover b the hole in the needle plate. 1 2 1 Flat side 2 Needle type marking CAUTION • If the distance between the needle and the flat surface is not even, the needle is bent. Do not use a bent needle. Note • Before replacing the needle, cover the hole in the needle plate with fabric or paper to prevent the needle from falling into the machine. Lower the presser foot. c Press d • If . is pressed while the presser foot is raised, an error message appears. Lower the presser foot. → The screen changes, and all keys and operation buttons are locked (except ). 1 1 1 Flat surface Basic operations B-29

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Replacing the Needle
GETTING READY
Basic operations
B-29
B
Be sure to observe the following precautions concerning the
handling of the needle. Failure to observe these precautions is
extremely dangerous, for example, if the needle breaks and
fragments are dispersed. Be sure to read and carefully follow
the instructions below.
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
Replacing the needle
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.
b
Place fabric or paper under the presser foot to cover
the hole in the needle plate.
c
Lower the presser foot.
d
Press
.
• If
is pressed while the presser foot is raised, an
error message appears. Lower the presser foot.
→
The screen changes, and all keys and operation
buttons are locked (except
).
Replacing the Needle
CAUTION
•
Only use recommended home sewing machine
needles. Use of any other needle may bend the
needle or damage the machine.
•
Never use bent needles. Bent needles can
easily break, possibly resulting in injuries.
CAUTION
•
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
1
2
1
1
Note
•
Replace the needle in cases such as the four
described below:
1
If an unusual sound is produced when the needle
enters the fabric while sewing trial stitches at low
speed. (The tip of the needle may be broken.)
2
If stitches are skipped. (The needle may be bent.)
3
After completing one project, such as a piece of
clothing.
4
After using three full bobbins of thread.
Note
•
Before replacing the needle, cover the hole in the
needle plate with fabric or paper to prevent the
needle from falling into the machine.