-43-
12.
FEED DOG HEIGHT
STANDARD
The feed dog standard height is such that when the feed dog are top dead center, the feed dog center section
extends 0.9-1.1 mm from the needle plate upper surface.
ADJUSTMENT
1.
Turn the balance wheel to move the feed dog to top dead center.
2.
Loosen the screw securing the vertical feed finger.
3.
Turn the vertical feed finger with a driver and adjust so that the feed dog height is 0.9-1.1 mm at the center
of the feed dog.
4.
Tighten the screw securing the vertical feed finger.
Adjustment Points
*
If the feed dog height is not correctly adjusted, the following problems may occur.
1.
If the feed dog is too high, they may touch the rear of the needle plate and make noise, front-rear
movement may deteriorate, the feed distance may become inaccurate, and the sewing machine may stop
feeding the fabric.
2.
If the feed dog is too low, the feed distance may become inaccurate and the sewing machine may stop
feeding the fabric.
Vertical feed finger
0.9-1.1 mm
