Bernina Sewing Machine manual Thread tension

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Setting up the sewing computer

19

Thread tension

3

A

5

The basic setting

•is indicated when the red line on the tension adjustment wheel is in line with the marking A

•the tension does not need adjusting for normal sewing work

•for special sewing work, the tension can be adjusted to suit the fabric

To reduce the tension

turn to between 3 and 1

To increase the tension

turn to between 5 and 10

The tension is factory set for the best results. Metrosene 100/2 (Arova Mettler, Switzerland) is used to set both the upper and lower thread tension.

If other sewing or embroidery threads are used, the tension may need adjusting to suit the fabric and chosen stitch.

For example:
	Tension	Needle
Metallic thread	approx. 3	90
Monofilament	approx. 2– 4	80

030595.50.04_0201_a125_EN

Image 19

Contents

Welcome to To reduce the risk of electric shock Important Safety InstructionsThis sewing computer is intended for household use only Front view Details of the sewing computerThread path Adjustment2330 Bobbin cover FHS connection Stitch plate Thread take up coverBack view Thread cutter Carrying handlePresser foot lifter ManualFabric cover AccessoriesStandard accessories Start-stop-unitAttaching the accessory box to the sewing computer Accessory boxFree standing accessory box Storing accessoriesPower cable Free-Hand-System FHS presser foot lifter* knee-operated Sewing tableWinding the bobbin Thread cutter Winding the bobbinBobbin case Removing the needle Inserting the bobbinChanging the needle Insert the bobbin Attaching the presser foot sole Changing the presser foot Supplementary spool pin Changing the presser foot soleThreading the upper thread Thread cutter Bringing up the lower threadButton below the handwheel Stitch plateFeed-dog Stitch plate markingsThread tension General instructions Main switch toScreen shows Stitch length Stitch* selectionStitch width Needle positionNeedle stop FunctionsClr/del clear/delete Shorter stitch length Longer stitch length BalanceReverse pattern sole Overlock sole Presser foot selection snap-on systemPresser foot shaft Buttonhole soleActiva StitchesPractical and decorative Quilting- and Decorative stitchesStitches Darning program Standard buttonholeGathering stitch Straight stitch Seam begin Securing programSeam end Satin stitch Zig-zag stitchOversewing edges C Sewing Fine stitch width adjustmentBlind hem PreparationDarning program Densely woven ZippersTIP To sew around zipper pull Seam begin Zipper or fabric is thick orManual buttonhole Sewing a manual standard buttonhole Ideal cords Buttonhole with gimpGimp Foot NoWith the seam ripper Special accessory Handlook quilt stitch Sewing stretch fabrics Vari-overlock seamClosed seam Knits and jerseyOverlock foot No or Reverse pattern foot No Double overlock seamDouble overlock No Cotton or polyesterRibbing with overlock seam Ribbing with overlock seamNeedle stop down Needle 100 Important facts about sewing computer needlesSewing computer, needle and thread Needle and threadNeedle and fabric Condition of needle Needles Needle table Description Needle point Suitable for StandardNeedle SpecialFeed-dog and stitch length Feed-dog and fabric feedUneven layers Feed-dog and fabric feed with compensating platesThick fabrics feed-dog and sewing corners Cleaning Replacing the bulb Sewing lightDisconnect plug Trouble shooting Presser foot lifter Quilt stitch IndexIndex Impressum