18
A
B
Forward feeding
Backward feeding
Adjusting screw
(D)
(C)
Cap
Notch
mECHANICAL ADJUSTmENT
BUTTONHOLE FEED BALANCE
TO CHECk:
When sewing buttonhole, the stitches on each side of buttonhole should be the same stitch density.
The range of 9-12 stitches in the right side row "backward feeding" against 10 stitches in the left side row
"forward feeding" is considered acceptable.
ADJUSTmENT PROCEDURE:
1. Check the stitches by sewing buttonholes, and remove the cap.
2. Turn the adjusting screw in the direction of (C) in case of (A) (right stitches are rough), or in the direction of (D)
in case of (B) (left stitches are rough).
3. Mount the cap.
