3.3 Needle thread tension release
Rule and control
By the pressure against the axle 2, the tensioner will be opened about
1 mm.
Caution: Danger of bodily injuries !
Turn off main switch.
Switch of the sewing machine before correcting the release of the
needle thread tensioner.
Correction
–
Loosen the screw 1.
–
Shift the magnet 2.
When the needle thread tensioner is fully tightened and when
there is no thread between the tensioner disks, the axis 3 should
have a play of about 0.3 mm.
–
Retighten the screw 1.
1
2
3
45
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