15
MODEL 520
MECHANICAL ADJUSTMENT
FEED DOG HEIGHT
The highest position of the feed dog should be between 0.8 to 0.9 mm from the surface of the
needle plate when the pressure dial is set at "3" and the presser foot is raised.
1. Set the pressure dial at "3" and lower the presser foot.
2. Turn on the power switch.
3. Remove the bed cover.
4. Turn the handwheel toward you to set the feed dog at the highest position.
5. Loosen the setscrew (A) and nut (B).
6. Adjust the feed dog height by turning the adjusting screw (C).
7. Tighten the nut (B) and setscrew (A).
(to raise)
(to lower)
Adjusting screw (C)
Nut (B)
Setscrew (A)
Presser foot
Feed dog
0.80-0.90 mm
Surface of the needle plate
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