Thread Cutter Sensor Position - Janome MC7700 QCP Service Manual

THREAD CUTTER SENSOR POSITION ADJUSTMENT
WHEN THE THREAD CUTTER MOTOR IS INITIALIZED, THE DISTANCE BETWEEN THE EDGE OF MOVING
CUTTER AND THE END OF THREAD CUTTER PLATE SLIT SHOULD BE IN THE RANGE OF 0.4 TO 1.2 mm.
END OF THREAD CUTTER PLATE SLIT
0.4 TO 1.2 mm
SENSOR PLATE
B
C
SETSCREW (A)
MECHANICAL ADJUSTMENT
EDGE OF MOVING CUTTER
[TO CHECK]
1. TURN OFF THE POWER SWITCH.
REMOVE THE BASE COVER, BED COVER AND
FREE-ARM COVER.
SLIDE THE MOVING CUTTER TO THE RIGHT WITH
YOUR FINGER
TURN THE POWER SWITCH ON.
THE MOVING CUTTER MOTOR IS INITIALIZED,
AND MOVING CUTTER MOVES TO ITS HOME
POSITION AUTOMATICALLY.
2. CHECK THE DISTANCE BETWEEN THE EDGE OF
MOVING CUTTER AND THE END OF THREAD
CUTTER PLATE SLIT.
[ADJUSTMENT]
IF THE DISTANCE IS NOT IN THE RANGE (0.4 to 1.2 mm),
MAKE THE ADJUSTMENT AS FOLLOWS:
3. LOOSEN THE SETSCREW (A).
4. ADJUST THE DISTANCE BETWEEN THE EDGE OF
MOVING CUTTER AND THE END OF THREAD
CUTTER SLIT IN THE RANGE OF 0.4 TO 1.2 MM BY
MOVING THE SENSOR PLATE IN THE DIRECTION
OF (B) OR (C).
5. TIGHTEN THE SETSCREW (A).
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