Thread Cutter - Janome MC8900 QCP Service Manual

Thread cutter

The distance between the end of thread cutter plate slit and the edge of moving cutter should be in the range of 0.4 to 1.2
mm.
End of thread cutter plate slit
Edge of moving cutter
0.4 to 1.2 mm
A
B
Thread cutter switch
Setscrew
Sensor plate
Mechanical adjustment
Moving cutter
Thread cutter base plate
To check:
1. Remove the bed cover and free arm cover (see page 3, 4).
2. Turn the power switch off. Slide the moving cutter to the
right with your finger.
3. Turn the power switch on.
The moving cutter motor is initialized, and moving cutter
moves to its home position automatically.
4. The distance between the edge of moving cutter and
the end of thread cutter plate slit should be
0.4 to 1.2 mm.
If not, follow the procedure below.
To adjust:
1. Loosen the setscrew on the sensor plate.
2. Adjust the distance between the end of thread cutter
plate slit and the edge of moving cutter to 0.8 mm by
moving the sensor plate in the direction of A or B.
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