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[6] Adjustment

6-1 Adjusting the needle bar height

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Remove the face cover.

Adjustmentvalue:

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Distancefromthebottomendofthepininsideneedlebarsurfacetothetopsurfaceofthethroatplate:

19 mm

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Whentheneedleismounted,theneedleeyetiltsrightwardby2degrees.

Adjustmentprocedure1.

 1.Selectthestraightstitchusingthepatternselectingbutton.Choosecenterneedleposition.

 2.MakeagaugeneedlebycuttingahouseholdneedleHA×1todimensionA.Fitthegaugeneedleintothe

needlebar.

3. Prepare an appropriate metal plate of thickness B. (A = 19 mm - B)

 4.Bringtheneedlebartoitslowestdeadpoint.Slightlyloosenneedlebarconnectingstudsetscrew

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long as the needle does not slip off from the connecting stud.

 5.Placethemetalplateonthethroatplate.Movetheneedlebarupanddownbyhandtoadjustsothatthe

cutsurfaceofthegaugeneedlealignswiththetopsurfaceofthemetalplate.Then,turntheneedlebarby

twodegreesofanangleasillustratedinthesketchbelow.

 6.Temporarilytightenneedlebarconnectingstudsetscrew

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andreconrmthattheneedlebariscorrectly

adjusted.Then,securelytightenthesetscrew.

Adjustmentprocedure2.

 1.AssembleahouseholdHA×1needle#14intotheneedlebar,bringtheneedlebartoitshighestdead

point.Movetheneedlebarinthesamewayasdescribedinprocedure1toadjusttheneedlebarheightso

that the needle tip is spaced 15.5 mm from the top surface of the throat plate.

19 mm

Metal plate

Throat plate

2°

[Lowest dead point]

Gauge needle

15.5 mm

[Highest dead point]

HA×1 #14

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JUKI HZL-NX7 Service Manual

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