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SECTION B – 4-THREAD TECHNIQUES
G
C
ENERAL
ONSTRUCTION
Use a 4-thread Overlock stitch for most fabrics
The Right Needle stitching helps to prevent fabric rolling within
the serger stitch.
Accurate seaming
Attach the Right Hand Seam Guide when working with standard patterns
5
requiring a
Adjust the Guide from the Left Needle.
Use a 6" Ruler/Gauge to measure.
Secure seam ends if you will not be stitching across them again.
Adjust Presser Foot Pressure for very thick or thin fabrics –Instruction
Manual pg.____
S
K
ERGING
NITS
Use Ballpoint or Stretch Needles to prevent damage to the fabric.
Woolly Nylon in the Loopers adds to the stretch of the serger stitch.
Stitch Selection Panel
Position "B" automatically adjusts tensions for Woolly Nylon.
Adjust Stitch Length to 3 for most seam applications.
To prevent fabric stretching during sewing
Differential Feed –Instruction Manual pg.____
Presser Foot Pressure –Instruction Manual pg.____
Built-In Tape Guide -–Instruction Manual pg.____
S
W
ERGING
OVENS
Use Universal, Sharp or Microtex Needles.
Match the serger cone thread to the fabric's fiber content and color.
Adjust Stitch Length to 2.5 for medium to heavy fabrics.
Adjust Stitch Length to 2 for lightweight fabrics.
Whenever possible work with opposing seams (one seam allowance pressed
to the left and one seam allowance pressed to the right) as you join
seamed pieces together.
S
EAMING
/
" seam allowance – Instruction Manual pg.____
8
1999 BERNINA Of America
Section B - page1
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