Checking performance probœlyls what to do, Checking performance problems what to do – SINGER W1418 User Manual

Page 30

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CHECKING PERFORMANCE PROBŒlylS WHAT TO DO

PROBLEM

PROBABLE CAUSE

CORRECTION

Fabric not

moving

- Feed dog down.
- Machine not moving.
- Stitch length dial in o position.
- Light pressure on presser foot.

- Raise feed dog.
- Tighten stop motion.
- Moving dial to 1 -4.
- increase pressuré oii presser

foot.

Breaking Needle

- incorrect setting of needle.

- Needle bent.
- Pulling fabric.
- Incorrect use of needle, thread

or fabric.

- Reset needle.
- Fit new needle.
- Do not pull fabric.
- Correct use of needle, thread

or fabric.

Breaking Bobbin

Thread

- Improper threading.
- Tight upper thread tension.
- Needle bent.
- Nicks or burrs on shuttle.

- Re-thread machine.
- Loosen upper thread tension.
- Fit new needle.
- Replace shuttle, or polish off

burrs completely.

Machine Jamming

Knocking Noise

- No oil.

- Dust arid thread in shuttle.

- Needs oiling.
- Clean shuttle.

Puckering

- Tension too tight,
- Sewing foot pressure too strong.
- Incorrect use of fabric, and

thread.

- Reset.
- Adjust sewing foot pressure.
- Use correct febric, needle and

thread.