Mitsubishi Electric LS2-1130 User manual

Brand: Mitsubishi Electric

Model: LS2-1130

Category: Sewing machines

Type: User manual

Mitsubishi Electric LS2-1130, a high-speed single-needle lockstitch industrial sewing machine, offers efficient and versatile sewing capabilities. With its user-friendly design, it allows for precise adjustments of stitch length, thread tension, and presser foot pressure, ensuring optimal performance for a variety of fabrics and threads. Backstitch function enables secure seam finishing. Automatic lubrication system minimizes maintenance efforts, while safety features like belt covers and finger guards prioritize operator safety.

A180E277P03

INSTRUCTION MANUAL

HIGH-SPEED SINGLE-NEEDLE LOCKSTITCH

INDUSTRIAL SEWING MACHINE

LS2-1130

MODEL

PRECAUTION BEFORE STARTING OPERATION

1 Safety Precautions

1 . Whenturningthepoweron,keepyourhandsandngersawayfromtheareaaround/

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

2 . Thepowermustbeturnedo󰮏whenthemachineisnotused,orwhentheoperator

leaveshis/herseat.

3 . Thepowermustbeturnedo󰮏beforetiltingthemachinehead,installingorremoving

the“V”belt,adjustingthemachine,orreplacingparts.

4 . Avoidplacingngers,hairs,obstacles,etc.nearthepulley,“V”belt,bobbinwinder

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

5 . Don’tputngers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ngerguard,and/ortheeyeguardareinstalled,don’toperate

themachinewithoutthesesafetydevices.

2 Precaution before Starting Operation

1 . Ifthemachine’soilpanhasanoilsump,neveroperatethemachinewithoutlling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lledwithalotofelectricnoisessuchashigh-

frequencywelders.

INTRODUCTION

　ThankyouverymuchforpurchasingMitsubishiindustrialsewingmachine.

　Pleasereadthisinstructionmanualbeforeoperatingthesewingmachine.Pleasereadalso

“SafetyManual”,“InstructionmanualforMitsubishiLimiservoX”andoperatethesewing

machinecorrectlyandsafely.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

CONTENTS

USAGE PRECAUTION ……………………………………………… 1

1Lubrication(1)………………………………………………………………………… 1

2Lubrication(2)………………………………………………………………………… 1

3Lubricationcondition………………………………………………………………… 1

4Adjustmentoflubricationtotherotatinghook ………………………………… 1

5Adjustmentoftheoilpump………………………………………………………… 1

6Periodicalcleaning…………………………………………………………………… 2

7Installationofthebeltcover ……………………………………………………… 2

8Precautiononoperation …………………………………………………………… 2

HOW TO USE ……………………………………………… 3

1Installationoftheneedle …………………………………………………………… 3

2Windingofthebobbinthread……………………………………………………… 3

3Threadingoftheneedlethread…………………………………………………… 4

4Adjustmentoffeed(stitch)lengthandbackstitch……………………………… 4

5Balanceofthreadstension ………………………………………………………… 4

6Adjustmentoftheneedlethreadtension………………………………………… 5

7Adjustmentofthebobbinthreadtension………………………………………… 5

8Adjustmentofthepresserfootpressure………………………………………… 5

9Adjustmentofthetimingtoopentensiondiscoftheneedlethreadtension

regulator……………………………………………………………………………… 5

SPECIFICATIONS ……………………………………………… 6

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

1Lubrication (1)

Filltheoilreservoirwithoilupto“H”line.

Oillevelshouldbeperiodicallychecked.Ifoillevel

isfoundbelow“L”linereplenishoilto“H”line.

Foroil,use“MC70M”speciedbyMitsubishi.

※Refer

 MC70M：Specicgravity(15℃ )=0.86(g/cm3)

  ：Viscosity(40℃ )=10.9(mm2/s)

2Lubrication (2)

Whenanewsewingmachineisusedforthe

rsttime,orsewingmachineleftoutofusefor

considerablylongtimeisusedagain,removethe

rubberplugandreplenishasuitableamountofoil

asshowninthegure.

Rubber plug

3Lubrication condition

Checkthattheoilsplashedtheoilsightwindow.

4Adjustment of lubrication to the

rotating hook

Adjustthelubricationamountoftherotatinghook

byturningthescrew Ⓐ.

5Adjustment of the oil pump

Fortheregularsewing,itisnotnecessaryfor

theadjustmentoftheoilpump,butincaseoflow

speedoperation,iftheoilsplashamountforthe

oilsightwindowonthemachinearmisreduced,

closetheoilbypassholeoftheoilpump.

USAGE PRECAUTION

— 1 —

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

6Periodical cleaning

1 . Machine

2 . Motor

Removedustfromthemotorltereveryoneortwomonths.(Continuedoperationwiththelter

cloggedwithlintordustmayoverheatthemotor.)

3 . Control Box

Removedustfromtheconnector.(Iftheconnectoriscoveredwithdust,themachinemight

malfunction.)

7Installation of the belt cover

1 . Installthebeltcoveronthemachinesideforsafety.Refertotheprovidedinstructiondocument

containedinthesamepackage.

2 . Installthebeltcoveronthemotorsideforsafety.

8Precaution on operation

( 1 ) Whenthepoweristurnedonoro󰮏,keepfootawayfromthepedal.

( 2 ) Itshouldbenotedthatthebrakemaynotworkwhenthepowerisinterruptedorpowerfailure

occursduringsewingmachineoperation.

( 3 ) Sincedustinthecontrolboxmightcausemalfunctionorcontroltroubles,besuretokeepthe

controlboxcovercloseduringoperation.

( 4 ) Donotapplyamultimetertothecontrolcircuitforchecking,otherwisevoltageofmultimeter

mightdamagesemiconductorcomponentsinthecircuit.

USAGE PRECAUTION

●Removethethroatplateand

cleanthefeeddog.Reassembly

shouldbedonebyscrewingin

thescrew2-3rotationsbyhand

atrst,thentighteningthem

evenlyusingalong-shafted

screwdriver.

●Leanthemachineheadand

cleanthehookandremove

anydustand/orlintinsidethe

bobbincase.

●Leanthemachineheadand

removeanydustand/orlinton

theoilpumpscreen.

— 2 —

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

1Installation of the needle

Note: Before installing the needles, be sure to turn o󰮏 the power.

HOW TO USE

Note：Ifthreadsnappingoccursduringreversesewingwith

polyesterthreads,itmaybeavoidedbyttingtheneedle

withthelonggrooveshiftedtothefrontside.Normally,

avoidttingtheneedlewiththegroovefacingbackward.

BothneedlesDP × 17and

DB × 1canbeused.

Usethetimingmarksas

showninthegure.

2Winding of the bobbin thread

Note: When bobbin thread is wound, keep the presser foot lifted.

　Adjustment ●Tension of wound thread Slackwindingisrecommendedforpolyesterthreadand

nylonthread.

●Conically wound thread Movethethreadguidetowardsmallerdiameterofwound

threadlayer.

●Amount of wound thread Loosenthewindingamountadjustmentscrewtodecrease

threadwindingamountandtightenthescrewtoincrease

threadwindingamount.

— 3 —

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

3Threading of the needle thread

Withthethreadtake-upleverlocatedattheuppermostposition,passtheneedlethreadintheorder

showninthefollowinggure.

HOW TO USE

4Adjustment of feed (stitch)

length and backstitch

●Adjustmentoffeed(stitch)length…Adjustfeed

lengthbyturningthefeedlengthsettingdial

whiledepressingthereversesewinglever.

●Backstitch…Directionofstitchingcanbe

reversedbydepressingthereversesewing

lever.

5Balance of threads tension

A 

Balancedtension

C 

Loosetheneedlethreadtensionor

tightthebobbinthreadtension

B 

Tighttheneedlethreadtensionor

loosethebobbinthreadtension

— 4 —

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

6Adjustment of the needle

thread tension

●Theneedlethreadtensionshouldbeadjusted

onthebasisofthebobbinthreadtension.

●Adjusttheneedlethreadtensionbyturningthe

threadtensionnut.

 Theneedlethreadtensioncanbealsoadjusted

bychangingintensityandmovablerangeof

thethreadtake-upspringincaseofsewingthe

specialfabricandthread.

7Adjustment of the bobbin

thread tension

●Thebobbinthreadtensioncanbeadjustedby

turningthescrewⒶ.

8Adjustment of the presser foot

pressure

●Adjustthepresserfootpressureaccordingto

thefabricbyturningthepressureadjusting

screw.

●Sewingpressureshouldbeadjustedtothe

minimumrequiredstrength.

9Adjustment of the timing to

open tension disc of the needle

thread tension regulator

Adjusttimingwiththefollowingprocedureas

timingtoopenthetensiondisccanbeadjusted

fortheclearance(withinthelimitsof2to7mm)

ofthepresserfoot.

( 1 ) Removetherubberplugandloosenthescrew

Ⓐ.

( 2 ) Movethethreadtensionreleasingcamtothe

rightortheleft.

 Positionedtotheright…quick

 Positionedtotheleft…slow

( 3 ) TightenthescrewⒶafteropeningcondition

ofthethreadtensiondischasbeenchecked.

●Itisconvenienttooperatebyttingthesame

thicknessofplateastheclearanceofthe

presserfootyouintendtoloosenbeneaththe

presserfoot.

HOW TO USE

— 5 —

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

SPECIFICATIONS

LS2-1130 Specications

Model

Specications LS2-1130-M0B LS2-1130-H0B LS2-1130-B0B

Application Medium-heavy Heavy Heavy

Max.sewingspeed(rpm) 4500 3500

Stitchlength(mm) 0to5 0to7

Needlebarstroke(mm) 30.5 35.0

Threadtake-upleverstroke(mm) 61.3 72.0

Feeddogheight(mm) 0.8 1.0 1.2

Presserfootstroke(mm)

Hand 6

Knee 13

Needle DB×1#14 DB×1#22

Hook(verticalrotatinghook) Standard Standardforheavy Large

Lubricationsystem Automaticlubrication

Beddimensions(mm) 475×178

Note:●Thebobbinshouldbeofhighqualityfreefromdeformation.

 ●Somematerialsand/orsewingconditionsmayrequirespecicationsotherthanthoselisted

above.

 ●Thesespecicationsaresubjecttochangeformachineimprovement.

— 6 —

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

Printed in Japan

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

Mitsubishi Electric LS2-1130 User manual

Brand: Mitsubishi Electric

Model: LS2-1130

Category: Sewing machines

Type: User manual

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Mitsubishi Electric LS2-1130 User manual

Mitsubishi Electric LS2-1130 User manual

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