AIR 1800
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FAQs & Troubleshooting |
Thread tension adjustment
For correct overlock stitching, the looper threads and needle threads should be as described below.
If the overlock stitching does not sew correctly, adjust the thread tension.
Move the thread tension dial by a half or quarter scale marking, and then continue sewing.
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A : Reverse B : Surface C : Left needle thread |
Increase the tension of the left needle thread.
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A : Reverse B : Surface D : Right needle thread |
Increase the tension of the right needle thread.
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A : Reverse B : Surface C : Left needle thread D : Right needle thread |
Reduce the needle thread tension of the left needle thread first , then of the right needle thread
.
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A : Reverse B : Surface E : Upper looper thread F : Lower looper thread |
Increase the tension of the upper looper thread, reduce the tension of the lower looper thread, or adjust both thread tensions.
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A : Reverse B : Surface E : Upper looper thread F : Lower looper thread |
Reduce the tension of the upper looper thread, increase the tension of the lower looper thread, or adjust both thread tensions.
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A : Reverse B : Surface E : Upper looper thread F : Lower looper thread |
Increase the tension of the upper looper thread and the lower looper thread.
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A : Reverse B : Surface E : Upper looper thread F : Lower looper thread |
Reduce the tension of the upper looper thread and the lower looper thread.