Perforrnance Checklist - Singer 6233 Instruction Manual

Performance Checklist
When sewing difficulties occur, look back through this manual to make sure you are
correctly following the instructions. If you still have a problem, the reminders below may
help you to correct it.
Needle Does Not Move
Upper Thread Breaks
Is machine connected to electrical
Is machine properly threaded?
supply?
Is thread freely unwinding from spool?
Is the power and light switch on?
Is proper spool cap being used?
Is controller connected?
Is needle correct size for thread?
Is air supply from controller clear?
Is upper thread tension too tight?
Is bobbin case properly inserted?
Needle Moves But Stitch
Is bobbin rim free of nicks?
Is Not Formed
Lower Thread Breaks
Is needle defective?
is needle fully inserted into needle
Is bobbin correctly wound?
clamp?
Is bobbin correctly inserted into
Are bobbin and needle correctly
bobbin case?
threaded?
Is bobbin case correctly threaded?
Is bobbin correctly inserted into
bobbin case? Skipped Stitches
Needle Breaks
Is machine properly threaded?
Is fabric firmly held down?
Is needle straight and sharp?
Is needle correct style and size
9
Is needle correct size?
Is needle straight and sharp?
Is needle fully inserted into needle
clamp? Fabric Does Not Move Properly
Are controls properly set?
Under Presser Foot
Are accessories correct for application?
Is presser foot correctly attached
Bobbin Winding Difficulties
to
machine?
Is presser foot lowered?
Is thread unwinding freely from spool?
Is stitch length correctly set?
Is bobbin winder engaged?
Is thread end securely held at start
of wind?
31