TROUBLE-SHOOTING GUIDE
TOP THREAD BREAKS
CAUSE REMEDY
1. Machine is threaded incorrectly.
2. Tension is too tight.
3. Thread is too heavy for needle size (see
needle/fabric/thread chart).
4. Needle is inserted incorrectly.
5. Thread may be caught on spool pin.
6. Needle is damaged.
1. Rethread machine and needle.
2. Reduce tension on top (smaller numbers).
3. Use larger needle.
4. Reinsert needle (flat side toward back).
5. Remove spool, rewind excess thread, thread, turn
spool over, use felt disc on spool pin.
6. Insert new needle.
LOWER THREAD BREAKS
1. Bobbin case is not inserted correctly.
2. Bobbin case is improperly threaded.
3. Bobbin tension is too tight.
1. Reposition bobbin. Check by pulling thread. If it pulls
smoothly it is correct.
2. Check for correct threading.
3. Change bobbin tension according to instructions.
SKIPPED STITCHES
1. Needle is not inserted correctly.
2. Needle is damaged.
3. Wrong type of needle is used.
4. Wrong foot is used.
5. Foot pressure is wrong.
1. Reinsert needle (flat side toward back).
2. Insert new needle.
3. Match needle size to fabric and thread weight.
(Check needle/fabric/thread chart).
4. Check to see if proper sewing foot is used.
5. Check foot pressure regulation for proper setting.
NEEDLE BREAKAGE
1. Needle is damaged.
2. Needle is not inserted correctly.
3. Fabric too heavy/ wrong needle size.
4. Fabric is being pulled by operator.
1. Insert new needle.
2. Reinsert needle correctly (flat side to ward back).
3. Match needle size to thread & fabric weight.
(Check needle/fabric/thread chart).
4. Do not pull on cloth. Check for proper foot pressure
Retyped by Mastersewusa.com
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