MODEL 3128
14
FEED DOG HEIGHT
MACHINE SETTING
1. Stitch selector: " "
2. Needle bar:
At its highest position.
TO CHECK:
1. Lower the presser foot.
2. Turn the handwheel toward you until the needle bar comes to its highest position.
The feed dog should be above the needle in the range of 0.75 - 0.90 mm.
If it is not in the range, adjust as follows.
ADJUSTMENT PROCEDURE:
1. Open the shuttle cover.
2. Adjust the feed dog height by turning the adjusting screw.
* When the feed dog height is higher than the standard range, turns the adjusting screw in
the direction of
"
B
"
.
* When the feed dog height is lower than the standard range, turn the adjusting screw in
the direction of
"
C
"
.
MECHANICAL ADJUSTMENT
B
C
ADJUSTING SCREW
0.75 - 0.90MM
