JS-50CE

FAQs & Troubleshooting

FAQs & Troubleshooting
  • Date: 07/05/2015
  • ID: faqh00000438_001

How do I wind the bobbin?

Wind the Bobbin

(1) Pre-tension disk      (2) Bobbin winder shaft      (3) Bobbin

 

  • Only use bobbins (part code: SA156, SFB: XA5539-151) that have been designed for this sewing machine. Using other bobbins may cause damage to the machine.
  • We designed the bobbin that comes with this machine. If you use bobbins from other models, the machine will not work properly. Only use the bobbin that comes with this machine or bobbins of the same type (part code: SA156, SFB: XA5539-151).

Use the bobbin that comes with this machine or bobbins of the same type

(1) This model      (2) Other models

 

1. Pull up the spool pin as far as possible, and then put a spool of thread on this pin.

Put a spool of thread on the spool pin

 
2. Pass the thread around the pre-tension disk.

Make sure that the thread passes under the pre- tension disk.

image

(1) Pre-tension disk

(A) Pulling it in as far as possible

 

If the spool of thread is not in the right place, the thread may tangle on the spool pin.
3. Pass the end of the thread through the hole on the bobbin from the inside of the bobbin.
Pass the end of the thread through the hole on the bobbin from the inside of the bobbin

 
4. Put the bobbin onto the bobbin winder shaft and slide the bobbin winder shaft to the right.
Put the bobbin onto the bobbin winder shaft and slide the bobbin winder shaft to the right

 
5. Turn the bobbin clockwise, by hand, until the spring on the shaft slides into the groove of the bobbin.
Turn the bobbin clockwise, by hand, until the spring on the shaft slides into the groove of the bobbin

(1) Spring on the shaft   (2) Groove of the bobbin

 
6. Turn on the sewing machine.
Turn on the sewing machine

 
7. While holding the end of the thread, gently press the foot controller to wind the thread around the bobbin a few times.
Then stop the machine.

image

Connect the foot controller before turning on the machine.
8. Trim the excess thread above the bobbin.
Trim the excess thread above the bobbin

 

Make sure you follow the instructions carefully.
If you do not cut the thread completely, and the bobbin is wound, when the thread runs low it may tangle around the bobbin and cause the needle to break.
10. Press the foot controller to start.

image
11. When the bobbin seems full and begins spinning slowly, take your foot off the foot controller.

image
12. Cut the thread, slide the bobbin winder shaft to the left and remove the bobbin.
Cut the thread and remove the bobbin

 

Not winding the bobbin properly may cause the thread tension to loosen, and may break the needle.

Wind the bobbin properly

     (1) Wound evenly        (2) Wound poorly

 

  • When the sewing machine is started or the handwheel is turned after winding the thread around the bobbin, the machine will make a clicking sound; this is not a malfunction.
  • The needle bar does not move when you slide the bobbin winding shaft to the right.
 

 

Related FAQs

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

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