TROUBLE-SHOOTING GUIDE
STITCHING FORMS LOOPS
CAUSE REMEDY
1. Needle is not threaded correctly.
2. Bobbin is not thread correctly.
3. Needle/fabric/thread ratio is incorrect.
1. Thread needle front to back.
2. Thread bobbin according to chart.
3. Match needle size to thread & fabric weight.
(Check needle/fabric/thread chaft).
SEAMS SHRINK OR PUCKER
1. Foot pressure is too heavy.
2. Needle it too large for fabric.
3. Wrong stitch length if used.
1. Use smaller needle (see chart).
2. Adjust length for proper stitches.
IRREGULAR STITCHING/FEEDING
1. Thread is of poor quality.
2. Foot pressure us too light.
3. Bobbin is threaded incorrectly.
4. Material is being pulled by operator.
1. Use quality thread!
2. Thread bobbin again and check for proper
insertion.
3. Do not pull on fabric. Let it feet automatically.
MACHINE IS NOISY AND ROUGH
1. Machine needs oil.
2. Lint and oil residue have collected in hook or on
needle bar.
3. Inferior oil has been used and gums-up machine.
4. Needle is damaged.
5. Stitch length/width dials set incorrectly for type of
stitch used.
1. Oil according to instructions.
2. Clean race and hook according to instructions.
3. Clean and oil again only with fine sewing machine
oil.
4. Replace needle.
5. Follow INSTRUCTION P.21.
Retyped by Mastersewusa.com
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