ELNA Supermatic - Adjusting Height of Guard Ring Stop

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17. Adjustment of Automatic Thread Release
Toprepare,removeneedle,presserfoot,needleplate,feeddogandfreearmcover.
AdjustingPositionofReleaseCamonLowerShaft.
TheThreadReleaseshouldbeatitslowestpositionatthetimetheneedlebarisalsoatitslowestposition.The
timingoftheThreadReleaseissetbythepositionoftheReleaseCamonthelowershaft.
Adjustasfollows:
LoosenthetwoSetScrewsintheReleaseCam.
Turnflywheelslowlytowardyouuntilneedlebarisinits
lowestposition.
Withyourfingers,turnReleaseCamawayfromortoward
youuntilThreadReleaseisalsoinitslowestposition.
BasicallypositiontheReleaseCamsothatitsnarrowestpoint
isincontactwiththeReleaseSkid.
WhilepressinggentlyontheFeedDogPinion,gentlypushtheReleaseCamuntilittouchesthelowershaft
bushing,thentightenbothSetScrewsintheReleaseCam.
CaremustbetakenthattheReleaseCamdoesnotturnonthelowershaft(maintaintheaboveadjustmentwith
theThreadReleaseinitslowestposition)duringthisprocedure.Finallychecktoseethatthelowershaftturns
freely(withoutbinding)andthattheaxialplayofthelowershaftdoesnotexceed.03mm.
VerifythetimingoftheThreadReleaseandNeedleBariscorrect.