Adjusting Buttonhole Lever Position - Janome 7330 Servicing Manual

ADJUSTING BUTTONHOLE LEVER POSITION

TO ADJUST THE BUTTONHOLE LEVER GUIDE:
1. Set the machine in buttonhole sensor adjusting mode.
(See below. The led should display "H" or "l".)
2. Remove the face cover and loosen setscrew (A).
3. Lower the buttonhole lever. Loosen the setscrew and position the buttonhole lever guide so the led displays "l" .
Tighten setscrew (A).
TO ADJUST THE BUTTONHOLE SENSOR POSITION:
4. Install the buttonhole foot (R).
5. Lower the buttonhole lever to its lowest position, and insert a 1.6 mm clearance gauge.
6. Turn the adjusting screw to the left until the led display changes from "l" to "H".
7. Next, turn the adjusting screw to the right until the led display changes from "H" to "l".
8. Check the led. When the clearance of the buttonhole foot is 1.4 mm, the led displays "H"; when the clearance
is 1.8 mm, the led displays "l".
9. Turn off the power switch, and install the face cover.
NOTE
If there is any lint in the buttonhole sensor slit, clean out with a swab.
TO ENTER ADJUSTING MODE:
1. Turn the power on while
pressing the needle up/down
button and reverse button
simultaneoudly. (Hold both
buttons down until the led
displays the adjusting mode.)
Buttonhole
lever guide
BH lever
2. Press the reverse button
to select "2".
Setscrew (A)
Setscrew (B)
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3. Press the needle
up/down button.
Setscrew (B)
Buttonhole sensor
Adjusting screw
Clearance
1.6 mm
7330