Siruba DL7200D-NM1 Instruction Book page 13

7-2.Adjusting the feed dog height
Becomes lower
7-3.Adjusting the feed dog angle
Becomes higher
-12-
The standard height of the feed dog (1) when it is at its
maximum height above the top of the needle plate is
1.0 mm for M specifications, and 1.2mm for H
specifications.
1. Turn the pulley until the feed dog (1) rises to the highest
Position.
2. Tilt back the machine head.
3. Loosen the screw (2).
4. Move the feed bar(3) up or down to make adjustment.
5. Tighten the screw (2).
The standard angle for the feed dog (1) when it is at its
highest position above the needle plate is when the "O"
mark on the shaft (2) is aligned with the feed rocker
bracket arm (3) and the feed dog (1) is parallel to the
needle plate.
1. Make the machine hand wheel backward, rise the feed
dog from lowest position to the same position with
needle plate.
2. Tilt back the machine head.
3. Loosen the two set screws (4).
4. Turn the shaft (2) in the direction of the arrow within a
range of 90 with respect to the standard position. (Fig.[C])
In order to prevent puckering, lower the front of the feed
dog (1).
In order to prevent the material from slipping, raise the
front of the feed dog (1).
5. Securely tighten the set screws (4),