33
①
①
To adjust the front/rear of the upper feed dog
1) loosen the bar lifter
①
. Set the adjustment lever
②
to the
maximum value on the indicator.
Tighten the bar lifter
①
.
2) Turn the pulley until it moves to the end of the upper feed dog
rear side.
3) loosen the screw
③
. Adjust the gap (a) from the end of the
needle plate front side to the end of the upper feed dog front
side by moving the upper feed dog.
4) Adjust the screw
③
.
②
②
To adjust the pressure of the upper feed dog
1) loosen the nut
①
.
2) control the pressure with using the adjustment screw
②
.
The pressure should be enough to move the texture exactly
but the upper feed dog should not damage the texture.
Check the standard measures on the table 9.
Turn to (+) direction to increase the pressure.
Turn to (-) direction to decrease the pressure.
Table 9) The Height of the Pressure Adjustment
Screw for the Upper Feed Dog
Model
a
SCT9214-03/333
25.5
SCT9316-03/233
24
SCT9316-A04/435K
23.5
Table 8)
Model
a
SCT9214-03/333
23.5
SCT9316-03/233
18
SCT9316-A04/435K
18.5
N
No
ottee..
If the pressure is too low, irregular feed and noise could
be happened.
②
①
②
①
③
①
②
[Figure 64]
[Figure 65]
[Figure 66]
[Figure 67]
[Figure 68]