Adjustment
of stitch
length
(_ Setting mark
Stitch length dial
To select stitch length, turn the dial O,
The larger the number, the longer the stitch°
The stitch length can be adjusted from approximately
1/24" to 116" (1 to 4 ram)
Position "R" is for rolled and narrow hemming
Adjustment
of differential
feed ratio
O Setting mark
(_) Differential feed dial
The differenti!l
feed ratio can be adjusted by turning the
dial (_),The number on the dial indicates the differential feed
ratio between the main and the sub feed motion,
1.,0 indicates the neutral position,,
The needle plate has a front and rear set of feed dogs,
Changing the differential feed ratio setting alters the feed
dog motion so that you can produce a straight seam.
How to adjust
(_ Stretched
(_ Shrinked
if your fabric stretches when serging _), stop and turn the
dial counterclockwise
to a higher number,,
if your fabric shrinks when serging _, stop and turn the
dial clockwise to a lower number
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