19
ADJUSTMENT OF BUTTONHOLE FEED BALANCE
If there is a difference in stitch density between the right and left rows of a buttonhole, then
make adjustment in the procedure given below. The right row should have 9 to 12 stitches
compared with 10 stitches on the left row.
(1) Sew a buttonhole by use of the BH foot (R) and check the stitch density on the right and left
rows.
(2) Remove the bed cover (unit).
(3) Loosen the set screw of the feed cam ring with care not to move the ring laterally.
(4) If the right row is denser than the left row (A), turn the ring in direction of (C).
If the left row is denser than the right row (B), turn the ring in direction of (D).
(5) Tighten the set screw of the feed cam ring, and attach the bed cover (unit).
(Note)
For removal and attachment of the bed cover (unit), refer to page 4.
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