18
BH sensor
BH symbol
1.6 mm gap
MECHANICAL ADJUSTMENT
ADJUSTING BUTTONHOLE LEVER POSITION
TO ADJUST THE BUTTONHOLE LEVER GUIDE:
1. Enter the self-diagnostic test of buttonhole sensor mode (see pages 25 and 26. The LCD should display 03
and BH symbol.)
2. Remove the face cover (see page 4) and loosen the setscrew
q
.
3. Move the buttonhole lever guide
w
so the BH symbol disappear when the buttonhole lever
e
is lowered.
Tighten the setscrew.
TO ADJUST THE BUTTONHOLE SENSOR POSITION:
4. Attach the buttonhole foot (R)
r
.
5. Lower the buttonhole lever
e
to its lowest position and open a 1.6 mm gap between the slider and the
buttonhole foot.
6. Turn the adjusting screw
t
to the left until the LCD display BH symbol.
7. Next, turn the adjusting screw to the right until the BH symbol disappears.
8. Turn off the power switch.
9. Attach the face cover.
q
w
r
e
t
NOTE: If there is any lint or dust in the buttonhole sensor slit, loosen the setscrews (2 pcs.)
y
and clean it out
with a swab.
y
y
TO ENTER BH REVER ADJUSTING MODE:
Turn the power switch
on while simultaneously
pressing needle up/down
button and thread cutter
button.
Press the needle up/
down button within the 1.5
seconds to enter the self-
diagonostic mode.
The LCD will indicate “----”.
Press the 1 key.
Press the start/stop button two times to enter
the BH lever adjusting mode.
Содержание 5270QDC
Страница 1: ...First Edition 06 March 2020 SERVICE MANUAL PARTS LIST MODEL 5270QDC For Europe only...
Страница 39: ...37 TOUCH PANEL KEY POSITION ADJUSTMENT GUIDE Print this illustration guide to its actual size...
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