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6-10 Position of the hook rotation stopper plate

○

Remove the throat plate.

Adjustmentprocedure

 1.Whenthebobbincaseholderisplacedinsidetherotatinghook,loosenthesetscrewanddeterminethe

longitudinalpositionoftherotationstopperplatesothattheprojectionofthebobbincaseholderandthe

leafspringoftherotationstopperplatearelocatedasillustratedintheenlargedpartialview.Toadjustthe

lateralpositionoftherotationstopperplate,presstheplateintherightdirectionbytheamountofplayand

secure with the setscrew.

 *Thehookracesurfaceandthebobbincaseholdermaybestainedwithdirt,oilorgrease.Wipethemoff

with an alcohol-soaked cloth where necessary.

  Ifthosepartsareleftstained,chatteringorthreadslip-offnoiseofthebobbincaseholdercanoccur.

6-11 Adjusting the bobbin thread tension

○

Remove the throat plate.

Adjustmentprocedure

 1.Positionthebobbincaseholderandatensiongaugeasillustratedinthesketchbelow.UsingSHAPPE

Spanthread#60,adjustthebobbinthreadtensionto0.13±0.02Nwiththeadjustingscrew.

  Atthistime,carefullypreventthebobbinthreadfromcomingincontactwiththethroatplateorotherrelat-

ed parts.

Setscrew

Adjust so that the projection and

leaf spring are aligned with this line.

Adjusting screw

Enlarged partial view

JUKI HZL-NX7 Service Manual

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