6
Also, for overedging heavyweight fabrics, the seam width can be increased still more by turning the overedge
seam width adjustment knob. (See page 21)
Stitch Type
Needle
Positions
Tension Dial; Numbers shown are average
Page
settings on medium weight fabric with
standard #80 polyester spun thread
Blue Green Orange Yellow
1
Three - Thread
Overlock
3.5mm
3.0 3.0 3.0
29
5.7mm
3.0
3.0 3.0
2
Three - Thread
Flatlock
3.5mm
0.5 5.0 7.0
30
5.7mm
0.5
5.0 7.0
3
Three - Thread
Wrapped Edge
Overlock
3.5mm
3.0 1.0 7.0
31
5.7mm
5.0
0 8.5
4
Four - Thread Ultra-
Stretch Mock
Safety Stitch
3.0 3.0 3.0 3.0
32
(504)
(505)
(514)
2. HANDY REFERENCE CHART
The thread tension becomes tighter as the dials are turned to higher numbers. The tension settings shown on
this page as well as throughout the operator’s manual are suggested guides. Adjust thread tensions to suit
the fabric and size of thread used. For best results make tension adjustments in small increments of no
greater than half a number at a time.
Overedge width
Needle used
Needle thread
tension dial
3.5mm
Overedge right needle
Green
5.7mm
Overedge left needle
Blue
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