1 - Singer

5. PERFORMANCE CHECKLISTGENERAL PROBLEMSMachine 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 PROBLEMSMachine skips stitches.* Needle is not all the way up into needle clamp. - See page24 - 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 feedingaction. - Guide it gently.* Bobbin has not been wound evenly. - Rewind bobbin.Needle breaks.* Fabric is being pulled or pushed against machine feedingaction. - 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 page24 - 25.THREAD PROBLEMSThread bunches.* Top and bobbin threads are not drawn back under presserfoot before starting seam. - Draw both threads back underpresser foot about 4 inches (10 cm) and hold until a fewstitches 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. - Shortenstitch length.66