15
MECHANICAL ADJUSTMENT
TOP TENSION
The top tension should be between 65 to 80 gf when pulling the thread up in the direction of arrow.
* Use polyester sewing thread #50 (White).
* If it is not within the above limit, adjust as follows.
1. Set the tension dial “4”.
2. Remove the cover.
3. Lower the presser foot.
4. Check the top tension and attach the cover.
White polyester thread size 50
Pull the thread at the speed of 110 mm/sec in the direction of arrow
Cover
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