S-7780A
2. INSTALLATION
5
6. Knee lifter plate
<Knee lifter adjustment>
1. Turn the machine pulley so that the feed dog is below the
top of the needle plate.
2. Lower the presser foot (1) by using the lifting lever (2).
3. Loosen the nut (3).
4. Turn the screw (5) to adjust so that the amount of play in
the knee lifter plate (4) is approximately 10 mm.
5. After adjustment is completed, securely tighten the nut
(3).
6. Loosen the nut (6).
7. Turn the adjusting screw (8) to adjust so that the presser
foot (7) is at the desired position within a distance of 13
mm from the needle plate when the knee lifter plate is
fully pressed.
8. After adjustment is completed, securely tighten the nut
(6).
Within 13mm
1775D
10mm
1774D