Solenoid Position - Janome MC7700 QCP Service Manual

SOLENOID POSITION ADJUSTMENT
WHEN THE TENSION DISK IS CLOSED, THE CLEARANCE BETWEEN THE PLUNGER AND THE END OF YOKE
SHOULD BE 2.0 mm.
TOP VIEW
SIDE VIEW
PLUNGER
2 mm
END OF YOKE
MECHANICAL ADJUSTMENT
SETSCREWS A
[ADJUSTMENT]
1. REMOVE THE TOP COVER (SEE PAGE 1)
2. LOOSEN THE SETSCREWS A.
3. ADJUST THE CLEARANCE BETWEEN THE
PLUNGR AND THE YOKE TO 2 mm WITH THE
TENSION DISK CLOSED.
4. TIGHTEN THE SETSCREWS A.
[TO CHECK]
5. WHILE PRESSING THE NEEDLE UP/DOWN AND
LOCK STITCH BUTTONS, TURN THE POWER
SWITCH ON.
THE LCD SCREEN DISPLAY "FACTORY ADJUST",
THEN ADJUSTING SCREEN WILL APPEAR.
TURN THE JOG DIAL TO SELECT "09.SOLENOID".
PRESS THE CONFIRM BUTTON (ENTER KEY).
6. PRESS THE CONFIRM BUTTON TO RELEASE THE
THREAD TENSION.
THE LCD WILL DISPLAY "ON".
MAKE SURE THE NEEDLE THREAD IN THE
TENION DISK CAN BE PULLED WHEN THE
CONFIRM BUTTON IS PRESSED.
7. TURN THE POWER SWITCH OFF.
ATTACH THE TOP COVER.
34