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Troubleshooting
Appendix A-9
MAINTENANCE AND TROUBLESHOOTING
A
h
Remove the bobbin case.
If threads remain in the bobbin case, remove them.
1 Bobbin case
i
Use the cleaning brush or a vacuum cleaner to remove
any lint or dust from the race and its surrounding area.
1 Cleaning brush
2 Race
j
Use the included L-shaped (or disc-shaped)
screwdriver to loosen the two screws on the needle
plate.
k
Slightly lift up the needle plate, cut any tangled
threads, and then remove the needle plate.
Remove the fabric and threads from the needle plate.
If the fabric cannot be removed, even after completing
these steps, contact your nearest Brother authorized
service center.
l
Remove any threads in the race and around the feed
dogs.
m
Turn the handwheel to raise the feed dogs.
n
Align the two screw holes in the needle plate with the
two holes at the needle plate mounting base, and then
fit the needle plate onto the machine.
o
Lightly finger-tighten the screw on the right side of the
needle plate. Then, use the L-shaped (or disc-shaped)
screwdriver to firmly tighten the screw on the left side.
Finally, firmly tighten the screw on the right side.
Turn the handwheel to check that the feed dogs move
smoothly and do not contact the edges of the slots in the
needle plate.
1 Correct position of feed dogs
2 Incorrect position of feed dogs
If the fabric could be removed. Continue with step p.
If the fabric could not be removed. Continue with step j.
Note
• Be careful not to drop the removed screws in the
machine.
Note
• Be careful not to drop the removed screws in the
machine.
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