Brother Super Ace 3 Manual

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MAINTENANCE
Simple sewing machine maintenance operations are described below.
Restrictions on oiling
In order to prevent damaging this machine, it must 
not be oiled by the user.
This machine was manufactured with the necessary 
amount of oil applied to ensure correct operation, 
making periodic oiling unnecessary.
If problems occur, such as difficulty turning the 
handwheel or an...

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APPENDIX ————————————————————————————————————————————————————————————————————————————————————————————————————————————
eRemove the bobbin case.
Grasp the bobbin case, and then pull it out.
aBobbin case
f
Use the cleaning brush or a vacuum cleaner to 
remove any dust from the race and its 
surrounding area.
aCleaning brush
bRace
Note
●Do not put oil on the race.
gInsert the bobbin case so that the S mark on 
the bobbin case aligns with the z mark on the 
machine.
 Align the S and z marks.
aS mark
bz...

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h
As shown, insert the tab on the needle plate 
cover into the hole in the needle plate, and 
then correctly position of the needle plate 
cover.
aNeedle plate cover
bTab
cHole
 Check that the needle plate cover is flush 
with the top surface of the machine.
iFrom the front, slide the needle plate cover 
back into position.
aNeedle plate cover
●If the needle plate cover is not...

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TROUBLESHOOTING
If the machine stops operating correctly, check the following possible problems before requesting service. 
You can solve most problems by yourself. If you need additional help, the Brother Solutions Center offers the 
latest FAQs and troubleshooting tips. Visit us at “ http://solutions.brother.com ” . 
If the problem persists, contact your dealer or the nearest...

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d
While holding the bobbin in place with your 
finger, pass the thread through the slit in the 
needle plate.
 Hold down the bobbin with your right hand, 
and then pull the end of the thread around 
the tab with your left hand.
aTab
bHold down the bobbin with your right hand.
On models equipped with the quick-set bobbin, 
pull the thread to pass it through the slit in the 
needle...

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dRaise the presser foot using the presser foot 
lever.
aPresser foot lever
 If the presser foot is not raised, the sewing 
machine cannot be threaded correctly.
eRaise the needle by turning the handwheel 
toward you (counterclockwise) so that the 
mark on the wheel points up, or press 
(needle position button) (for models 
equipped with the needle position button) 
once or twice to...

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i
Make sure you guide the thread through the 
thread take-up lever from right to left as 
shown in the illustration below.
Sewing is possible only if the thread is securely 
hooked on the thread take-up lever.
aThread take-up lever Make sure that the thread is securely hooked 
on the thread take-up lever.
jPut the thread behind the needle bar thread 
guide above the needle.
The...

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Incorrect thread tension
■Symptoms
 Symptom 1: The lower thread is visible from the upper side of the fabric.
 Symptom 2: The upper thread appears as a straight line on the upper side of the fabric.
 Symptom 3: The upper thread is visible from the lower side of the fabric.
 Symptom 4: The lower thread appears as a straight line on the lower side of the fabric.
 Symptom 5: The stitching...

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Fabric is caught in the 
machine and cannot be 
removed
If the fabric is caught in the sewing 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 could not be completed 
according to the procedure, instead of attempting to 
complete it forcefully,...

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jUse the enclosed disc-shaped screwdriver to 
loosen the two screws on the needle plate.
Note
●Be careful not to drop the removed screws 
in the machine.
kSlightly 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...