H
Installation position of the feed cam
( 1 ) Set the feed length setting dial to maximum.
( 2 ) Turn the pulley and stop it at the position
where the red mark point on the pulley meets
the black mark point on the arm.
( 3 ) Move the feed cam to the position shown in
the figure, and repeat the forward stitch and
the backward stitch.
At this time, set the feed cam to the lower
shaft at the position where the needle (feed
dog) stops.
Reverse sewing lever
Forward stitch
Backward stitch
Feed length
setting dial
Feed cam
Feed connecting rod
Set screw
I
Adjustment of forward/
backward feed length
The forward/backward feed length can be adjusted
by moving the eccentric pin as shown in the figure.
( 1 ) Loosen the reverse stitch shaft crank screw.
( 2 ) To increase forward stitch length, turn the
eccentric pin clockwise.
To increase backward stitch length, turn the
eccentric pin counterclockwise.
Note: Please adjust in the range where the mark
point of the eccentric pin is facing to the
reverse block side as shown in the figure.
Arm
Red mark point
Pulley
Black mark point
Backward stitch length increases
Reverse stitch
shaft crank
Reverse
block
Eccentric pin
Mark point
Screw
Forward stitch length increases
HOW TO USE
— 13 —
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
