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13. How to remove and attach the differential feed unit
＊Attach the differential unit from the end of the removed procedure (15.→1.).
Note the following points when attach.
5. Loosen the set screw for feed dog adjusting arm(Green),
and move it until each surface of feed dog slider and
sub-feed dog driving arm becomes parallel.
Feed dog left/right positioning collar.
1. Attach the left and right positioning of feed dog unit.
2. Attach the drop feed rod and the drop feed block.
3. Attach the rod stopper, feed rod and
Differential feed adjustment.
4. Set diff.lever at "N" position and stitch length dial at "4".
Feed dog adjusting arm.
21
stitch length adjusting link
Feed dog slider.
Sub-feed dog driving arm.
set.
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