Singer 7442 User Manual

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5. PERFORMANCE CHECKLIST
GENERAL PROBLEMS
Machine does not sew.
* Power switch is turned off. - Turn on the switch.
Machine jams/knocks.
* Thread is caught in hook.
- Clean hook (see page 62 - 63).
* Needle is damaged. - Replace needle (see page 24 - 25).
Fabric does not move.
* Presser foot is not lowered
- lower presser foot.
* Feed dog control is lowered (see page 16 - 17).
STITCHING PROBLEMS
Machine skips stitches.
* Needle is not all the way up into needle clamp.
- See page
24 - 25.
* Needle is bent or blunt.
- Replace needle (see page 24 -
25).
* Machine is not threaded correctly.
- See page 18 - 19.
* Thread is caught in hook. - Clean hook (see page 62 - 63).
Stitches are irregular.
* Needle size is not correct for thread and fabric.
- See page 24
- 25.
* Machine is not threaded correctly.
- See page 18 - 19.
* Top thread tension is too loose.
- See page 26 - 27.
* 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 24
- 25.
* Needle is not all the way up into the needle clamp.
- See page
24 - 25.
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 4 inches (10 cm) and hold until a few
stitches are formed.
Needle thread breaks.
* Machine is not threaded correctly.
- See page 18 - 19.
* Top thread tension is too tight.
- See page 26 - 27.
* Needle is bent. - Replace needle (see page 24 - 25).
* Needle size is not correct for thread and fabric
- See page 24
- 25.
Bobbin thread breaks.
* Bobbin case is not threaded correctly.
- See page 16 - 17.
* Lint accumulates in bobbin case or hook.
- Remove lint
(see page 62 - 63).
Fabric puckers.
* Top thread tension is too tight.
- Adjust thread tension
(see page 26 - 27).
* Stitch length is too long for sheer or soft fabric.
- Shorten
stitch length.

Singer 7442 Specifications

General

Stitch Patterns	30
Automatic Needle Threader	Yes
Drop Feed	Yes
Free Arm	Yes
Adjustable Stitch Length	Yes
Adjustable Stitch Width	Yes
Brand	Singer
Model	7442
Needle Positions	Variable
Presser Feet Included	4