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Mechanical adjustment
Setscrew
A
2 mm
TOP VIEW
Side view
End of yoke
Plunger
Solenoid position adjustment
When the tension disk is closed, the clearance between the plunger and the end of yoke should be 2.0 mm.
[To check]
1. Remove the top cover (Refer to page 2).
2. While pressing the needle up/down and aut-lock stitch
buttons, turn the power switch on.
The LCD display “----”.
Press “4” key to enter the solenoid test mode.
3. Press the needle up/down button to release the thread
tension.
The LCD will display “--on”.
Make sure the needle thread in the tension disk can
be pulled when the confirm button is pressed.
4. Turn the power switch off.
5. Attach the top cover.
[Adjustment]
1. Remove the top cover.
2. Loosen the setscrews A.
3. Adjust the clearance between the plunger and the
yoke to 2 mm with the tension disk closed.
4. Tighten the setscrews A.
5. Attach the top cover.
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