68
Ispresserfootcorrectlyattachedtomachine?
Ispresserfootlowered?
Isstitchlengthcorrectlyset?
Performancechecklist
Upperthreadbreaks
Lowerthreadbreaks
Skippedstitches
Fabricdoesnotmoveproperlyunder
presserfoot.
Ismachineproperlythreaded?
Isthreadfreelyunwindingfromspool?
Isupperthreadtensiontootight?
Isbobbincaseproperlyinserted?
Isbobbinrimfreeofnicks?
Isbobbincorrectlywound?
Isbobbincorrectlyinsertedintobobbincase?
Ismachineproperlythreaded?
Isfabricfirmlyhelddown?
Isneedlecorrectstyleandsizeforfabric?
Isneedlestraight?
Needledoesnotmove
Needlemovesbutstitchisnotformed
Ismachineconnectedtoelectricalsupply?
Isthepowerandlightswitchedon?
Isspeedcontrolpedalconnected?
Isthebobbinwindingindentengaged?
Isneedledefective?
Isneedlefullyinsertedintoneedleclamp?
Arebobbinandneedlecorrectlythreaded?
Isbobbincorrectlyinsertedintobobbincase?
Isneedlecorrectsizeforfabric?
Isneedlefullyinsertedintoneedleclamp?
Arecontrolsproperlyset?
Areaccessoriescorrectforsewing?
Isthreadunwindingfreelyfromspool?
Isbobbinwindingindentengaged?
Isthreadendsecurelyheldatstartofwinding?
Isthreadhangingupontheslitonthethread
spool?
Needlebreaks
Bobbinwindingdifficulties