Adjustments; Thread Tension; Balanced Tension - Janome 1200D Professional Instruction Book

SECTION V

Adjustments

Thread Tension

The thread tension may need to be adjusted depending
on the type of threads or fabrics you use.
Before changing tensions, make sure the thread is
properly inserted in the tension discs. (HINT: Press and
hold the tension release lever while pulling up on the
threads above the tension discs.)
Thread tensions can be adjusted by turning the color
coded dials - yellow, blue, red, green and brown. Turn
the dial that corresponds to the thread that needs
adjusting.
Adjust only one tension setting at a time and then view
the result before adjusting again.
Chainstitch

Balanced Tension

The chainstitch needle thread (a) resembles straight
stitches on the topside (1) of the fabric. The needle
thread is barely visible between the chainstitch looper
thread (b) on the underside (2) of the fabric.
The needle thread is too loose.
If the needle thread (a) is too loose and clearly visible
on the underside of the fabric, increase the needle
thread tension (yellow).
The needle thread is too tight.
If the fabric puckers, decrease chainstitch needle
thread tension (yellow). Lightweight fabrics may require
a shorter stitch length. Do not set the stitch length dial
below 2.5.
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