Singer 321C - 4 Maintenance; Machine Head Cleaning; Oil Change and Filter Cleaning; Safety Inspection

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High Speed Overlock Machine | Instructions Manual and Parts List
Maintenance
4.1
Machine
Head Cleaning
Clean the machine head periodi-
callywithadrysoftclothtoremove
theexcess ofdustinthe head.Do
notuseanykindofsolventmaterial
tocleanthesurface.
4.2
Oil Change and
Filter Cleaning
Ifthemachinehasnotbeenusedfor
a long time, lubricate the superior
part of the needle bar, guides and
loopers before returning to opera-
tion.
Oil should be changed every four
months.Whenchangingtheoilfol-
lowinstructionsonitem3.3.
Oil lter should be cleaned every
month or replaced for a new one
as necessary.To clean the lter or
changetheoil,followinstructionin
item3.3.
4.3
Safety
Inspection
Frequently check if all safety de-
vices are properly installed and
adjusted.
Checkallscrewsthatxandhold
the machine head that should be
properlytight.
Checkand besure thebelt isnot
excessivelywornoutandseethat
ithasthepropertension.
Checkandbesurethereisnomo-
tor overheating and be sure that
the cable and electric connector
arenotdamaged.