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1999 BERNINA Of America
Section B - page1
SECTION B – 4-THREAD TECHNIQUES
G
ENERAL
C
ONSTRUCTION
S
EAMING
• 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
requiring a
5
/
8
” seam allowance – Instruction Manual pg.____
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
ERGING
K
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
ERGING
W
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.