Checking performance problems what to do to – SINGER W1630 User Manual
Page 33
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CHECKING PERFORMANCE PROBLEMS WHAT TO DO
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PROBLEM
PROBABLE CAUSE
CORRECTION
Fabric not
moving
-- Feed dog down.
-
Machine not moving.
-
Stitch length dial in 0 position.
-
1 ight 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.
Machine Jamming
Knocking Noise
-
No oil.
-
Dust and thread in shuttle.
-
Need oil.
-
Clean shuttle.
Puckering
-
Tension too tight.
-
Sewing foot pressure too strong.
-
Incorrect using fabric, needle, and thread.
-
Reset.
-
Regulating sewing foot pressure.
-
Correct using fabric, needle and thread.