19
ADJUSTING BUTTONHOLE LEVER POSITION
BH sensor
1.6 mm gap
ADJUSTING BUTTONHOLE LEVER POSITION
TO ADJUST THE BUTTONHOLE LEVER GUIDE:
1. Enter the buttonhole sensor adjusting mode. (See below. The LCD should display BH symbol.)
2. Remove the face cover (see page 4) and loosen setscrew (A).
3. Move the buttonhole lever guide so the BH symbol disappear when the buttonhole lever is lowered.
Tighten setscrew (A).
TO ADJUST THE BUTTONHOLE SENSOR POSITION:
4. Attach the buttonhole foot (R).
5. Lower the buttonhole lever to its lowest position and open a 1.6 mm gap between the slider and the buttonhole
foot.
6. Turn the adjusting screw to the left until the LCD display BH symbol.
7. Next, turn the adjusting screw right until the BH symbol disappears.
8. Turn off the power switch.
9. Attach the face cover.
NOTE:
If there is any lint or dust in the buttonhole sensor slit, loosen the 2 setscrews (B) and clean it out with a
swab.
(Enter the adjustment mode)
Setscrew (A)
BH lever guide
BH foot (R)
BH lever
Adjusting screw
Setscrew (B)
Setscrew (B)
Turn the power switch on while
pressing the reverse button.
Press the ring button (left) mark.
The LCD display indicates "01".
Press the ring button (up) mark
indicate "05".
Press the ring button (right) mark
indicate "SU and BH mark".
Summary of Contents for NH40
Page 1: ...SERVICE MANUAL MODEL NH40...
