Bernina 1150MDA User Manual download pdf (Page 8)

Micro Thread Control

Fabric: Firm fabric, 6” x 6”

Needle: 80/12 Universal

Thread: 4 cones of serger thread (blue, red, green, yellow)

Presser Foot: Standard

Stitch: 4-thread overlock

Divide the fabric into 4 equal sections along one side,

finger-press the folds to form creases.

Thread the serger for a 4-thread overlock stitch using thread

colors to match the color-coded threading path on the serger.

Adjust all thread tension settings as indicated below.

Set the mtc lever to the maximum setting, serge on the first fold.

Move the mtc lever to the normal setting, serge on the second fold.

Move the mtc lever to the minimum setting, serge on the third fold.

Mark the sample:

mtc - maximum

mtc - normal

mtc - minimum

before mtc adjustment

after mtc adjustment

Suggested Settings

Upper Looper ····························· 3-5

Lower Looper ····························· 3-5

Left Needle ································· 3-5

Right Needle ······························· 3-5

Stitch Length ······························ 2.5

Cutting Width ······························ 2-3

Differential Feed ························· N

maximum normal minimum

Note: the mtc function is a fast and easy way to make

the stitch formation look perfect without having to adjust

multiple thread tensions until you get it right. Different

fabrics and threads will affect the formation of the stitch

so the mtc setting may vary from fabric to fabric.

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Bernina 1150MDA User Manual Page 8