Juki LU2-4410-B1T-CS Bruksanvisning

Juki Symaskin LU2-4410-B1T-CS

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A181E099P01

LOCKSTITCH COMPOUND-FEED

AUTOMATIC UNDERTRIMMER

INDUSTRIAL SEWING MACHINES

MODEL

INSTRUCTION MANUAL

LU2-4410-B1T-CS

(Single-Needle)

LU2-4430-B1T

(Double-Needle)

PRECAUTIONBEFORESTARTINGOPERATION

1SafetyPrecautions

1 . Whenturningthepoweron,keepyourhandsandﬁngersawayfromtheareaaround/

undertheneedleandtheareaaroundthepulley.

2 . Thepowermustbeturnedoﬀwhenthemachineisnotused,orwhentheoperator

leaveshis/herseat.

3 . Thepowermustbeturnedoﬀbeforetiltingthemachinehead,installingorremoving

theVbelt,adjustingthemachine,orreplacingparts.

4 . Avoidplacingﬁngers,hairs,obstacles,etc.nearthepulley,Vbelt,bobbinwinder

wheel,ormotorwhenthemachineisinoperation.Injurycouldresult.

5 . Donʼtputﬁngersintothethreadtake-uplevercover,around/undertheneedle,or

pulleywhenthemachineisinoperation.

6 . Ifthebeltcover,theﬁngerguard,and/ortheeyeguardareinstalled,donʼtoperate

themachinewithoutthesesafetydevices.

2PrecautionbeforeStartingOperation

1 . Ifthemachineʼsoilpanhasanoilsump,neveroperatethemachinewithoutﬁllingoil

init.

2 . Ifthemachineislubricatedbyadropoiler,neveroperatethemachinewithout

lubricating.

3 . Whenanewsewingmachineisoperated,verifytherotationaldirectionofthepulley

withthepoweron.

 (Thepulleyshouldrotatecounterclockwisewhenviewedfromthepulley.)

4 . Verifyvoltageand(singleorthree)phaseindicatedonthenameplateofthemotor.

3PrecautionforOperatingConditions

1 . Avoidusingthemachineatabnormallyhightemperature(35℃orhigher)orlow

temperature(5℃orlower).Otherwise,machinefailuremayresult.

2 . Avoidusingthemachineindustyconditions.

3 . Avoidusingthemachineinconditionsﬁlledwithalotofelectricnoisessuchashigh-

frequencywelders.

INTRODUCTION

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CONTENTS

PREPARATIONFOROPERATION ……………………………………………… 1

1Adjustmentoftheneedlestoppingposition……………………………………… 1

USAGEPRECAUTION ……………………………………………… 2

1Lubrication(1)………………………………………………………………………… 2

2Lubrication(2)………………………………………………………………………… 2

3Lubricationcondition………………………………………………………………… 3

4Adjustmentoflubricationtotherotatinghook ………………………………… 3

5Precautionforthebuilt-intypedetector ………………………………………… 3

6Installationofthebeltcover ……………………………………………………… 3

7Precautiononoperation …………………………………………………………… 3

HOWTOUSE ……………………………………………… 4

1Installationofneedles ……………………………………………………………… 4

2Windingofthebobbinthread……………………………………………………… 4

3Selectionofthethread……………………………………………………………… 5

4Threadingofneedlethreads ……………………………………………………… 5

5Adjustmentoffeed(stitch)lengthandbackstitch……………………………… 6

6Settingofbobbins …………………………………………………………………… 6

7Threadingofbobbinthreads ……………………………………………………… 7

8Adjustmentofbobbinthreadstension…………………………………………… 7

9Balanceofthreadstension ………………………………………………………… 7

:Adjustmentofneedlethreadstension …………………………………………… 7

AAdjustmentofthepresserfootpressure………………………………………… 7

BTimingbetweentherotatinghookmotionandtheneedlemotion…………… 8

CAdjustmentofthefeeddogheight ……………………………………………… 9

D

Relationshipbetweentherotatinghookmotionandthethreadtake-uplevermotion

… 10

ERelationshipbetweentherotatinghookmotionandtheopenermotion …… 10

FRelationshipbetweentheneedlemotionandthefeeddogmotion…………… 11

GSafetyclutch …………………………………………………………………………12

HAdjustmentofupperfeedlength(needleside) ………………………………… 13

IAdjustmentofforward/backwardfeedlength ………………………………… 13

JAdjustmentoftheoutsidepresserfootandtheinsidepresserfoot ………… 13

KInstallationofthemovableknife…………………………………………………… 15

LInstallationpositionofthethreadtrimmercam………………………………… 16

MAdjustmentofthethreadtrimmercam ………………………………………… 16

NAdjustmentofthethreadtensionreleasing……………………………………… 17

O

Adjustmentofmeshingpressurebetweenthemovableknifeandtheﬁxedknife

…… 18

PSharpeningoftheﬁxedknife ……………………………………………………… 18

Q

Adjustmentofthethreadtrimmerwithchangingthewidthbetweenneedles

… 19

RInstallationofthesolenoidarm …………………………………………………… 20

SRemovalprocedureofthehook…………………………………………………… 20

SPECIFICATIONS ……………………………………………… 21

Produktspecifikationer

Varumärke:	Juki
Kategori:	Symaskin
Modell:	LU2-4410-B1T-CS

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