5. PERFORMANCE CHECKLIST

GENERAL PROBLEMS

Machine does not sew.

*Power switch is turned off. - Turn on the switch.

*Buttonhole lever is not raised when sewing stitch patterns.

– Raise buttonhole lever.

*Buttonhole lever is not lowered when sewing buttonhole.

– Lower buttonhole lever.

*Bobbin winder is engaged.

– Disengage bobbin winder (see page 15).

Machine jams/knocks.

*Thread is caught in hook.

-Clean hook (see page 56 - 57).

*Needle is damaged.

-Replace needle (see page 23).

Fabric does not move.

*Presser foot is not lowered

-Lower presser foot.

*Stitch length is too short

-Lengthen stitch length.

STITCHING PROBLEMS

Machine skips stitches.

*Needle is not all the way up into needle clamp (see page 23).

* Needle is bent or blunt.

- Replace needle (see page 23).

*Machine is not threaded correctly (see page 17 -18).

*Thread is caught in hook.

-Clean hook (see page 56 - 57).

Stitches are irregular.

* Needle size is not correct for thread and fabric (see page 23). * Machine is not threaded correctly (see page 17 - 18).

* Top thread tension is too loose (see page 24 - 25).

*Fabric is being pulled or pushed against machine feeding action.

-Guide it gently.

*Bobbin has not been wound evenly.

-Rewind bobbin.

Needle breaks.

*Fabric is being pulled or pushed against machine feeding action.

-Guide it gently.

*Needle size is not correct for thread and fabric (see page 23).

*Needle is not all the way up into the needle clamp (see page 23).

* Too much thread appears on the underside of stitching.

*Upper thread not correctly thread (see page 17 - 18 ).

THREAD PROBLEMS

Thread bunches.

*Top and bobbin threads are not drawn back under presser foot before starting seam.

-Draw both threads back under presser foot about 6 inches (10 cm) and hold until a few stitches are formed.

Needle thread breaks.

* Machine is not threaded correctly (see page 17 - 18). * Top thread tension is too tight (see page 24 - 25).

*Needle is bent. - Replace needle (see page 23).

*Needle size is not correct for thread and fabric (see page 21 - 22).

Bobbin thread breaks.

*Bobbin case is not threaded correctly (see page 16 - 17).

*Lint accumulates in bobbin case or hook.

-Remove lint (see page 56 - 57).

Fabric puckers.

*Top thread tension is too tight.

-Adjust thread tension (see page 24 - 25).

*Stitch length is too long for sheer or soft fabric.

-Shorten stitch ngth.

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Singer 6160, 6180, 6199, 5500 instruction manual Performance Checklist, General Problems

5500, 6199, 6160, 6180 specifications

Singer is a renowned name in the world of sewing machines, consistently pushing the envelope to deliver innovative products that cater to both novice and experienced sewists. Among their extensive range of machines, the Singer 6199, 5500, 6180, and 6160 models stand out due to their robust features, advanced technologies, and user-friendly characteristics.

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