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Upper thread tension
Check
A correct interlacing of the upper thread and the bobbin thread (cotton thread 50/2 or synthetic fi ber thread 100/35) must
take place approximately in the middle of the fabric at straight and zigzag stitch setting with the tension dial at “4”.
alt. Check
The standard upper thread tension should be between 60-70 grams when pulling a cotton thread 50/2 or synthetic fi ber
thread 100/35 with the tension dial at “4”. The presser foot should be lowered when checking the upper thread tension.
Adjustment
1. Remove the face cover and the front cover.
2. Turn the adjusting nut (B) in the direction of (C) when the upper thread tension is too tight.
Turn the adjusting nut (B) in the direction of (D) when the upper thread tension is too loose.
3. Attach the front cover.
( B )
( D )
( C )
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