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6-11 Adjusting the needle thread tension
○
Remove the thread tension cover.
Adjustmentprocedure
1. Raise the presser foot lifting lever.
2.Turnthethreadtensionadjustmentdialtobringits"AUTO"sectiontothetop.
3.PrepareSHAPPESpanthread#60andatensiongauge.Threadthebasetensionandthetensiondisk.
4.Lowerthepresserfootliftinglever.Turntheadjustingnuttoadjustthetensionsothatthetensiongauge
gives a reading of 0.49 to 0.59 N.
Adjusting nut
A U
T O