SINGER W1630 - Manual (Page 33)

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CHECKING PERFORMANCE PROBLEMS WHAT TO DO
CO
o
PROBLEM
PROBABLE CAUSE
CORRECTION
Fabric not
moving
— Feed dog down.
— Machine not moving.
— Stitch length dial in 0 position.
1 iaht pressure on presser foot.
- Raise feed dog.
- Moving stop motion.
- Moving dial to 1-4.
- Increase pressure on presser foot.
Breaking Needle
- Incorrect setting of needle.
- Needle bent.
- Pulling fabric.
- Incorrect using needle, thread and fabric.
— Reset needle,
— Replace new needle.
— Do not pull fabric.
— Correct using needle, thread, and fabric.
Breaking Upper
Thread
- Incorrect position of zigzag width dial.
- Improper threading.
- Tight upper thread tension.
- Needle bent.
- Nicks or burrs on shuttle.
- Moving to correct position.
- Rethread machine.
- Loosen upper thread tension.
- Replace new needle.
- Replace shuttle, or polish off burrs
completely.
Breadkin Bobbin
Thread
_ Tight bobbin thread tension.
- Incorrect setting of needle.
- Improper threading.
- Dust and thread in shuttle.
- Loosen bobbin thread tension.
- Reset needle.
- Rethread machine.
- Clean shuttle.
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Machine Jamming
Knocking Noise
- No oil.
- Dust and thread in shuttle.
— Need oil.
— Clean shuttle.
Puckering
— Tension too tight.
- Sewing foot pressure too strong.
1 Incorrect using fabric, needle, and thread.
— Reset.
— Regulating sewing foot pressure.
— Correct using fabric, needle and thread.