1) Needle thread tension
Turn thread tension nut No. 2
1
clockwise to
increase or counterclockwise to reduce the
needle thread tension.
2) Bobbin thread tension
Turn tension adjusting screw
2
clockwise to
increase or counterclockwise to reduce the
bobbin thread tension.
4-11. Thread tension
1
2
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
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