15
MECHANICAL ADJUSTMENT
TOP TENSION
Thetoptensionshouldbebetween75to90gfwhenpullingthethread(polyestersewingthread#50(white))up
inthedirectionofarrow(Makesurethethefootislowered)withthetensiondialat“4”.
Ifthetensionisoutoftherange,adjustasfollows:
1.Removethefrontcover(refertopage6).
2.Setthetensiondialat“4”.
3.Afterthreadingtheupperthread,lowerthepresserfoot.
•Ifthetoptensionistootight,turntheleadscrewinthedirectionA.
•Ifthetoptensionistooloose,turntheleadscrewinthedirectionB.
4.Checkthetoptensionandattachthefrontcover.
Polyestersewingthread#50(white)
Pullthethreadatthespeedof110mm/secinthedirectionofarrow.