Singer 5554 Heavy Duty Combo User Manual download pdf (Page 29)

Upper thread tension

Lower thread tension

Please note:

Basic thread tension setting: "4". (1)

To increase the tension, turn the dial to the next number up.

To reduce the tension, turn the dial to the next number down.

A. Normal thread tension for straight stitch sewing.

B. Thread tension too loose for straight stitch sewing. Turn dial

to higher number.

C. Thread tension too tight for straight stitch sewing. Turn dial to

lower number.

D. Normal thread tension for zig zag and decorative sewing.

Correct thread tension is when a small amount of the upper

thread appears on the bottom side of fabric.

If the thread is looping or birdnesting on the underside of the

fabric, this is an indication that the upper machine tension is not

threaded correctly.

- There is no single tension setting appropriate for all stitch

functions, thread or fabric.

- A balanced tension (identical stitches both top and bottom) is

usually only desirable for straight stitch construction sewing.

- 90% of all sewing will be between "3" and "5".

- For zig zag and decorative sewing stitch functions, thread

tension should generally be less than for straight stitch sewing.

- For all decorative sewing you will always obtain a nicer stitch

and less fabric puckering when the upper thread appears on

the bottom side of your fabric.

- If the thread is looping or birdnesting on the top of the fabric,

this is an indication that the bobbin thread has not been

threaded correctly.

The bobbin tension has been set correctly at the factory, so you

do not need to adjust it.

Proper tension setting is important for strong seams

Thread Tension

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Singer 5554 Heavy Duty Combo User Manual Page 29