J17s
FAQ et Diagnostic |
Tangled thread on wrong side of fabric
Symptom / Cause
If the upper thread is incorrectly threaded, the upper thread passed through the fabric cannot be firmly pulled up and the upper thread becomes tangled in the bobbin case, causing a rattling noise.
Remedy / Check details
Remove the tangled thread, and correct the upper threading according to the following procedure.
If the bobbin was removed from the bobbin case, install the bobbin in the bobbin case correctly.
Refer to How do I install the bobbin wound with thread?
(1) Presser foot lever |
(1) Mark on the wheel |
If the needle is not correctly raised, the sewing machine can not be threaded.
Pull up the spool pin completely.
If the spool of thread is in the wrong place, or is set incorrectly, the thread may tangle on the spool pin and cause the needle to break.
While holding the thread from the spool with your right hand, pass the thread toward you, in the groove on the thread guide.
(1) Spring |
Make sure that the spring in the groove catches the thread.
Feed the upper thread as shown in the following illustration.
Make sure you guide the thread through the thread take-up lever from right to left as shown in the following illustration.
(1) Thread take-up lever |
If the thread take-up lever is lowered, the upper thread can not be wrapped around the thread take-up lever.
Make sure you raise the needle by turning the handwheel toward you (counterclockwise) so that the mark on the wheel points up.
The thread can easily be passed behind the needle bar thread guide by holding the thread in your left hand, then feeding the thread with your right hand.
(1) Needle bar thread guide |
(1) Upper thread (2) Lower thread |
(1) Upper thread (2) Lower thread |