Performance Checklist" ." ." ,."" .", ,.,,80 - Singer 6021 Manual

80
Performance checklist
When sewing difliculties occur, look back
through this manual to make sure you are
correctly lollowing the instructions. 1I you
still have a problem, the reminders below
may help you to correct it.
Needle Does Not Move
15 machine connected to electrical
supply?
15 the power and light switch on?
15 controller connected?
15 the handwheel engaged lor bobbin
winding?
Needle Moves But Stitch Is Not
Formed
15 needle delective?
15 needle lully inserted into needle clamp?
Are bobbin and needle correctly
tnreaded?
15 bobbin correctly inserted into bobbin
case?
15 there thread in the bobbin?
Needle Breaks
15 needle straight and sharp?
15 needle correct size?
15 needle lully inserted into needle clarnp?
Are contrais properly set?
Are accessories correct lor application?
Bobbin Winding Difficulties
15 thread unwinding Ireely Irom spool?
15 bobbin winder engaged?
15 thread end securely held at start 01
wind?
15 thread hanging up on the slit on the
thread spool?
Upper Thread Breaks
15 machine properly threaded?
15 thread Ireely unwinding Irom spool?
15 proper spool cap being used?
15 needle correct size lor thread?
15 upper thread tension toa tight?
15 bobbin case properly inserted?
15 bobbin rim Iree 01 nicks?
Lower Thread Breaks
15 bobbin correctly wound?
15 bobbin correctly inserted into bobbin
case?
15 bobbin case correctly threaded?
15 thread hanging up on the slit on the
thread spool?
Skipped Stitches
15 machine properly threaded?
15 labric lirmly held down?
15 needle correct style and size?
Isneedle straight and sharp?
Fabric Does Not Move Properly
Under Presser Foot
15 presser loot correctly attached to
mach ine?
15 presser loot lowered?
15 stitch length correctly set?