Brother Super Ace 3 Manual

9
1
————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
Needle and presser foot section
aNeedle threader (for models equipped with the needle 
threader) (page 26) 
bButtonhole lever
Lower the buttonhole lever when sewing buttonholes 
and bar tacks.
cPresser foot holder
The presser foot is installed onto the presser foot holder.
dPresser foot holder screw
Use the presser foot holder screw to hold the presser 
foot holder in...

10
KNOWING YOUR SEWING MACHINE ———————————————————————————————————————————————————————————————————————————————————
Operation panel
The operation panel, located on the front of the 
sewing machine, allows you to select a stitch and 
specify how the stitch will be sewn. 
The operation panel differs depending on the sewing 
machine model.
aLCD (liquid crystal display)
The number of the selected stitch (
1), the presser foot 
type to be used (2), the stitch length (mm) (3), and the 
stitch width (mm) (4) are...

11
1
————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
■Storing the spool pin
When placing the cover on the sewing machine 
before storing or if the spool pin will not be used, 
return the spool pin to its storage position. 
Remove the spool from the spool pin, and then 
fold up the spool pin, as shown in the illustration, 
until it snaps into place to secure it.
■Installing the spool pin
aIf the spool pin has been removed from the...

12
KNOWING YOUR SEWING MACHINE ———————————————————————————————————————————————————————————————————————————————————
USING YOUR SEWING MACHINE
Power supply precautions
Be sure to observe the following precautions concerning the power supply.
Power supply
aInsert the plug into a wall outlet.
aMain power switch
bJack/socket connector
b
Set the main power switch to “I”.
XThe sewing lamp comes on when the 
machine is turned on.
cTo turn off the machine, set the main power 
switch to “
{”.
XThe sewing lamp goes...

13
1
————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
Foot controller
Insert the foot controller plug into its jack/socket on 
the rear side of the sewing machine.
aFoot controller jack/socket
When you press the foot controller down lightly, the 
machine will run at a low speed. When you press 
harder, the machine’s speed will increase. When you 
take your foot off the foot controller, the machine 
will stop. 
You should make sure...

14
KNOWING YOUR SEWING MACHINE ———————————————————————————————————————————————————————————————————————————————————
Changing the initial needle 
position
Normally, the straight stitch (left needle position) is 
automatically selected when the sewing machine is 
turned on. The machine can be set so that the 
straight stitch (center needle position) is 
automatically selected when it is turned on.
aTurn off the sewing machine.
bHold down the “+” side of   (stitch selection 
key) on the left and turn on the...

15
1
————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
THREADING THE MACHINE
Winding the bobbin
This section describes how to wind the thread onto the bobbin.
 For details on the fast bobbin winding, see page 18.
aAs shown, press down on the spool pin lever 
with your finger.
XThe spool pin swings up.
bRemove the spool cap.
aSpool pin
bSpool cap
●Only use bobbins (part code: SA156, SFB: XA5539-151) that have been designed for this...

16
KNOWING YOUR SEWING MACHINE ———————————————————————————————————————————————————————————————————————————————————
cFully insert the spool of thread for the bobbin 
onto the spool pin.
Slide the spool onto the pin so that the spool is 
horizontal and the thread unwinds to the front 
at the bottom.
dSlide the spool cap onto the spool pin.
With the slightly rounded side of the spool cap 
positioned toward the left, slide the spool cap 
onto the spool pin as far as possible to the right 
so that the spool...

17
1
———————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
g
Pull the thread to the right, pass it under the 
hook of the bobbin-winding thread guide, and 
then wind the thread counterclockwise 
between the discs, pulling it in as far as 
possible.
a Bobbin-winding thread guide
Make sure that the thread passes under the 
pre-tension disk.
bHook
c Pre-tension disk
d Pull it in as far as possible.
Note
●Make sure that the thread is pulled as...

18
KNOWING YOUR SEWING MACHINE ———————————————————————————————————————————————————————————————————————————————————
lSlide the sewing speed controller to the right 
(to set the speed to fast). (For models 
equipped with the sewing speed controller.)
aSewing speed controller
m
Press the foot controller or press   (start/
stop button) (for models equipped with the 
start/stop button) to start.
nWhen the bobbin seems full and begins 
spinning slowly, take your foot off the foot 
controller or press...