Performance problems – SINGER W160 User Manual
Page 35
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Performance problems
Problem
Probable cause
Possible correction
Fabric does not move
- Feed dog down
- Stitch length dial on 0
- Light presser foot pressure
- Raise feed dog
- Set dial between 1 and 4
- Increase pressure
Breaking needle
- Incorrect insertion of needle
- Bent needle
- Fabric is pulled
- Needle, thread and fabric
do not match
- Re insert needle
- Replace needle
- Do not pull fabric
- Use correct needle and thread
Breaking upper thread
- Improper threading
- Tight upper thread tension
- Needle bent
- Nicks or burrs on stitch plate
opening
- Re-thread machine
- Loosen upper thread tension
- Insert new needle
- Polish of burrs or replace stitch
plate
Breaking bobbin thread
- Tight bobbin thread tension
- Improper threading
- Incorrect insertion of needle
- Lint or thread in shuttle
- Loosen bobbin thread tension
- Re-thread machine
- Re insert needle
- Clean shuttle
Machine jamming
- No oil
- Oil
Knocking noise
- Damaged needle
- Thread caught in shuttle
- Replace needle
- Clean shuttle
Puckering
- Thread tensionjs) too tight
- Presser foot pressure too tight
- Needle, thread and fabric do not
match
- Loosen tensionjs)
- Adjust pressure
- Use correct needle and threitd
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