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Adjustment
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19.Adjustment of the Upper Thread Tension
• The thread tension should be 0.38 - 0.43 N (38 - 43g) when pulled slowly using a tension gauge.
1
Raise the presser foot.
2
Set the thread tension dial to 4.
3
Thread a schappe spun sewing thread # 60 through the thread guide and the thread tension disc.
4
Lower the presser lifter.
5
Adjust the tightening amount of the thread tension adjusting screw so that the thread tension is 0.38 - 0.43 N
(38 - 43g) when pulled slowly using a tension gauge.
6
Apply a small amount of screw locking agent to the thread tension adjusting screw.
0.38 - 0.43N (38 - 43g)
Adjusting screw
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