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
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
b.If the bottom thread lays on the
c.If the top thread lays on the
Grasp the stitching and pull evenly and firmly until one or both threads break.
| a. | If | both | threads | are balanced. |
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| b. | If | neither |
| thread | tensions are too | loose. |
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| c. | If | upper | thread | upper | tension. |
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| d. | If | lower | thread | upper | tension. |
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Both | threads | do not | have | to | break | at the same place, but | they | should | break | on the | same snap. |
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Bobbin |
| tension may | be reset | by the | following | procedure. | Start | with | a loose | bobbin | thread tension. | Tighten the |
26spring screw gradually