S-7780A
6. STANDARD ADJUSTMENTS
53
6-2. Presser foot height
The standard height of the presser foot (1) is 5 mm when the
presser foot (1) is raised by means of the lifting lever (2).
1. Loosen the nut (3), and then loosen the adjustment screw
(4) so that there is no pressure applied to the presser foot.
2. Raise the presser foot (1) by using the lifting lever (2).
3. Remove the rubber cap (5) from the face plate.
4. Loosen the bolt (6) and then move the presser bar (7) up
or down until the presser foot (1) is at the standard height
of 5 mm.
5. Tighten the bolt (6).
6. Install the rubber cap (5).
7. Adjust the presser foot pressure using the presser
adjusting screw (4), and then tighten the nut (3).
NOTE:
After adjusting, check that the needle moves down into
the center of the groove in the presser foot.
5mm
Needle
1784D
Содержание S-7780A
Страница 8: ...S 7780A vi 1768D Oil tank ...
Страница 83: ...S 7780A 8 7 SEGMENT DISPLAY 74 8 7 SEGMENT DISPLAY ...