JUKI HZL-NX7 - JUKI Smart Feed Installation and Usage

– 22 –
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