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10-4. Adjusting of the feed dog height
Becomes lower
10-5. Adjusting the feed dog angle
3862M
<-3>
0.8 mm
<-5>
1.2 mm
Becomes higher
3863M
3864M
Standard
Lower
the front
Raise
The front
3865M
S-1110A
10. STANDARD ADJUSTMENTS
The standard height of the feed dog (1) when it is at its
maximum height above the top of the needle plate is 0.8 mm
for -3 specifications, and 1.2 mm for -5 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. Turn the feed lifting shaft crank (3) to move the feed
bracket (4) up and down.
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 " " 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. Turn the machine pulley to move the feed dog (1) to its
highest position above the 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.
・
In order to prevent puckering, lower the front of the
feed dog (1). (Fig. [A])
・
In order to prevent the material from slipping, raise the
front of the feed dog (1). (Fig. [B])
5. Securely tighten the set screws (4).
* The height of the feed dog (1) will change after the angle
has been adjusted, so it will be necessary to re-adjust the
height of the feed dog (1).
18
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