
TROUBLESHOOTING GUIDE
| Problem | Possible Cause | Solution | 
| IRREGULAR STITCHING | Thread is of poor quality . . . . . . . . . . | . Use quality thread | 
| AND FEEDING | Presser foot pressure is too light . . . . | . Increase presser foot pressure to a higher number | 
| 
 | Bobbin is not threaded correctly . . . . | . Thread bobbin again and check for proper insertion | 
| 
 | Fabric is being pulled during sewing . | . Check for proper foot pressure; make sure feed teeth | 
| 
 | 
 | are raised and operating correctly; lengthen stitch | 
| 
 | 
 | length. Fabric should feed automatically. Pulling the | 
| 
 | 
 | fabric will throw the machine out of time. | 
| MACHINE IS NOISY AND | Machine needs oil . . . . . . . . . . . . . . . | . Refer to cleaning and maintenance instructions | 
| ROUGH WHEN SEWING | Lint and oil residue have collected . . | . Clean race and hook according to instructions | 
| 
 | in hook or on needle bar | 
 | 
| 
 | Inferior oil has been used . . . . . . . . . | . Clean and oil again. Use only fine sewing machine | 
| 
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 | oil. Do not use WD40. | 
| 
 | Needle is damaged . . . . . . . . . . . . . . | . Insert new needle | 
| 
 | Stitch length and/or width dials are set | . Refer to instructions for proper machine settings | 
| 
 | incorrectly for the type of stitch used | 
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