To Next Page

To Previous Page

– 18 –

6-8 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.

6-9 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-X Series User Manual

Questions and Answers: