Table of Contents
Advertisement
TROUBLESHOOTING
*
Adjust the thread tension while test sewing on a
piece of scrap fabric that is the same as that used in
your project.
Note
• If the upper threading and bobbin threading are
incorrect, the thread tension cannot be adjusted
correctly. Check the upper threading and bobbin
threading first, and then adjust the thread tension.
* When the bobbin thread is visible on the right side of
the fabric.
Set the upper thread tension to a lower number. (Loosen
the thread tension.)
* When the upper thread is visible on the wrong side of
the fabric.
Set the upper thread tension to a higher number.
(Tighten the thread tension.)
Fabric is Caught in the Machine and Cannot
Be Removed
If the fabric is caught in the machine and cannot be
removed, the thread may have become tangled under
the needle plate. Follow the procedure described below
to remove the fabric from the machine. If the operation
cannot be completed according to the procedure,
instead of attempting to complete it forcefully, contact
your nearest Brother authorized service center.
■ Removing the Fabric From the Machine
a
Immediately stop the machine.
b
Turn off the machine.
c
Remove the needle.
If the needle is lowered into the fabric, turn the
handwheel away from you (clockwise) to raise the
needle out of the fabric, and then remove the needle.
*
Refer to "CHANGING THE NEEDLE" on page 48.
d
Remove the presser foot and presser foot holder.
If the thread is entangled on the presser foot, remove the
entangled thread, and then raise the presser foot lever to
remove the presser foot. Otherwise, the presser foot may
be damaged.
*
Refer to "CHANGING THE PRESSER FOOT" on
page 50.
e
Lift up the fabric and cut the threads below it.
If the fabric can be removed, remove it.
f
Remove the needle plate cover.
*
Refer to "Cleaning the Race" on page 176.
180
g
Cut out the tangled threads, and then remove the
bobbin.
h
Remove the bobbin case.
If threads remain in the bobbin case, remove them.
i
Use the cleaning brush or a vacuum cleaner to remove
any lint or dust from the race and its surrounding area.
a
If the fabric could be removed
If the fabric could not be removed
Note
• Compressed can air is not recommended to be
used.
j
Use the disc-shaped screwdriver to loosen the two
screws on the needle plate.
Note
• Be careful not to drop the removed screws in the
machine.
1 Cleaning brush
2 Race
Continue with step
p
.
Continue with step
j
.
Advertisement
Table of Contents
