Before storing your machine, Performance – SINGER 6412 Millennium User Manual
Page 20
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• Using lint brush, remove lint or dust
from:
- presser bar
- needle bar
- machine surface (if necessary,
dampen a soft cloth and use a mild
soap to clean the surface).
• Remove needle plate as instructed
on page 17 and clean exposed area
with lint brush.
- bobbin case (if there is a lot of lint
in this area, remove bobbin case for
cleaning).
• Remove bobbin case and clean
with lint brush.
• With bobbin case removed clean
hook area.
BEFORE STORING YOUR MACHINE
To disconnect, turn all controls to off ("0") position, then remove plug
from outlet.
Unplug foot controller from machine.
Lower presser foot lifter.
Turn handwheel to lower needle bar to the lowest position.
Place your machine out of reach of children in safe, dry location.
PERFORMANCE
When sewing difficulties occur, look back through this manual to make
sure you are correctly following the instructions.
Needle Does Not Move
Is machine connected to electrical supply?
Is the power and light switch on?
Is controller connected?
Needle Moves But Stitch Is Not Formed
Is needle defective?
Is needle fully inserted into needle clamp?
Are bobbin and needle corredtiy threaded?
Is bobbin correctly inserted into bobbin
case?
Needle Breaks
Is needle straight and sharp?
Is needle correct size?
Is needle fully inserted into needle clamp?
Are controls properly set?
Are accessories correct for application?
Upper Thread Breaks
Is machine properly threaded?
Is thread freely unwinding from spool?
Is proper spool cap being used?
Is needle correct size for thread?
Is upper thread tension too tight?
Is bobbin case properly inserted?
Is bobbin rim free of nicks?
Bobbin Winding Difficulties
Is thread unwinding freely from
spool?
Is bobbin winder engaged?
Is thread end securely held at
start of wind?
Lower Thread Breaks
Is bobbin correctly wound?
Is bobbin correctly inserted into
bobbin case?
Is bobbin case correctly
threaded?
Skipped Stitches
Is machine properly threaded?
Is fabric firmly held down?
Is needle correct style and
size?
Is needle straight and sharp?
Fabric Does Not Move
Property Under Presser Foot
Is presser foot correctly
attached to machine?
Is presser foot lowered?
Is stitch length correctly set?
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