18
Thread tension
Basic thread tension setting: "4".
Proper tension setting is important for sewing. There is no single tension setting
appropriate for all the stitch functions and fabrics.
Normal thread tension for straight stitch
sewing.
1
Upper thread
2
Bobbin thread
3
Surface
4
Wrong side
Thread tension is too loose for straight stitch
sewing. Turn the dial to the higher number.
Thread tension is too tight for straight stitch
sewing. Turn the dial to the lower number.
Normal thread tension for zig zag and
decorative sewing.
For all decorative sewing you will always
obtain a nicer stitch and less fabric puckering.
Correct thread tension is when a small
number of the upper thread appears on the
bottom side of fabric.
4
3
1
2
Summary of Contents for Q421A
Page 1: ...Instruction Manual Q421A...
Page 2: ......
Page 7: ...Machine Introduction...
Page 11: ...Machine Setup...
Page 25: ...Sewing Basics...
Page 34: ...Utility Stitches...
Page 53: ...Maintenance and Trouble shooting...
Page 58: ......
Page 59: ......