ADJUSTINGYOURSEWINGMACHIHEFORGOODSTITCHES

When your sewing machine does not sew a properly locked stitch, check the following:

Insert a new needle of.the correct size for the thread and fabric you are using. Consult chart on page five for needle size.

. The upper and bobbin thread should be the same thread.

3.Check threading carefully. See page 8-9.

4.Check the thread tension balance. Use mercerized thread and a correct size needle for the fabric you are

using. Do not try this test with synthetic thread as it will not break.

Begin with a full bobbin, properly threaded into the case. Set the stitch length at about 12 stitches per inch. Fold a six inch square of your fabric in half diagona!ly, forming a triangle. Make a line of stitching ½"" from fold.

a.If seam is puckered-both tensions are too tight.

b.If the bottom thread lays on the fabric-tighten upper thread tension, and repeat test. See page 12, Figure 3.

c.If the top thread lays on the fabric-loosen upper thread tension and repeat test. See page 12, Figure 2.

Grasp the stitching and pull evenly and firmly until one or both threads break.

 

a.

If

both

threads

break-tensions

are balanced.

 

 

 

 

 

 

 

b.

If

neither

 

thread

breaks-both

tensions are too

loose.

 

 

 

 

 

 

c.

If

upper

thread

breaks-loosen

upper

tension.

 

 

 

 

 

 

 

d.

If

lower

thread

breaks-tighten

upper

tension.

 

 

 

 

 

 

Both

threads

do not

have

to

break

at the same place, but

they

should

break

on the

same snap.

 

Bobbin

 

tension may

be reset

by the

following

procedure.

Start

with

a loose

bobbin

thread tension.

Tighten the

26spring screw gradually -until bobbin case and full bobbin can be gently lifted from your hand by the end of the bobbin thread.

Page 27
Image 27
Kenmore 1300, 1206 manual Adjustingyoursewingmachiheforgoodstitches