Bernina 2500 manual Section B 4-THREAD Techniques, General Construction Seaming, Serging Knits

SECTION B – 4-THREAD TECHNIQUES

GENERAL CONSTRUCTION SEAMING

•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.____

SERGING KNITS

•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.____

SERGING WOVENS

•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.

 1999 BERNINA Of America Section B - page1