ELNA 624DSE User manual

INSTRUCTION MANUAL 624? 6142604

IMPORTANT SAFETY INSTRUCTIONS
When using anelectricalappliance, basic safetyprecautions should always befollowed,
includingthefollowing:
Read allinstructionsbefore using themachine.
To reducethe risk ofelectric shock:
-Themachineshouldneverbeleftunattendedwhenpluggedin.
-Alwaysunplugthemachinefromtheelectricoutletimmediatelyafterusingand
beforecleaning.
-Alwaysunplugthemachinebeforereplacingthebulb.Alwaysreplacethebulbwith
thesametyperated15Wattsmaximum.
\A / A ONI IK\{^Toreducethe risk of burns, fire,
VV/AI \lNilNV^electric shock orinjuryto persons:
-Donotallowthemachinetobeusedasa toy.Paycloseattentionwhenthemachine
isusedbyorhearchildren.
-Usethemachineonlyforitsintendeduseasdescribedinthismanual.Useonly
attachmentsrecommendedbythemanufacturerascontainedinthismanual.
-Neveroperatethemachineifithasa damagedcordorplug,ifitisnotworking
properly,ifithasbeendroppedordamagedordroppedintowater.Returnthemachine
tothenearestauthorizeddealerorservicecenterforexamination,repair,electrical
ormechanicaladjustment.
-Neveroperatethemachinewithanyairopeningsblocked.Keepventilationopenings
ofthesewingmachineandfootcontrolfreefromaccumulationoflint,dustandloose
cloth.
-Keepfingersawayfromallmovingparts.Specialcareisrequiredaroundthesewing
needleandmovingblade.
-Donotusebentneedles.
-Donotpullorpushfabricwhilestitching.Itmaydeflecttheneedlecausingittobreak.
DANGER
-Switchthemachineoff(O)whenmakinganyadjustmentsintheneedlearea,such
asthreadingneedle,changingneedle,threadinglooper,orchangingpresserfootand
thelike.
-Alwaysunplugthemachinefromtheelectricaloutletwhenremovingcovers,lubricat-
ingorwhenmakinganyotheruserservicingmentionedintheinstructionmanual.
-Neverdroporinsertanyobjectintoanyopening.
-Donotuseoutdoors.Alwaysstorethemachineindoors.
-Donotoperatewhereaerosol(spray)productsarebeingusedorwhereoxygenis
beingadministered.
-Todisconnect,turnallcontrolstotheoffposition,thenremoveplugfromoutlet.
-Donotunplugbypullingon cord. Tounplug,grasptheplugnotthe cord.
-Themachineshouldbedisconnectedfromtheelectricitysupplywhennotinuse.
-Ifthepowercordofthemachineisdamaged,itmustbereplacedbya specialcord
byyournearestauthorizeddealerorservicecenter.
"SAVETHESE
INSTRUCTIONS"
For U.S.A.
-Thefootcontroltype4C-335Band/or4C-316Bshouldbeusedwiththemachine.
-Thisappliancehasa polarizedplug(onebladewiderthantheother).
Toreducetheriskofelectricshock,thisplugisintendedtofitina polarizedoutlet
onlyoneway.Iftheplugdoesnotfitfullyintheoutlet,reversetheplug.Ifitstill
doesnotfit,contacta qualifiedelectriciantoinstalltheproperoutlet.Donotmodify
thepluginanyway.

DearCustomer,
Youhavechosenanoverlooksewingmachineofthehighestquality,whichwill
makeyourhoursofsewingbecomehoursofpleasureandrelaxation.
Wecongratulateyouonyourchoiceandhopethatitwillgiveyoulasting
satisfaction.Beforeyoustarttouseyourmachine,pleasetakea fewminutes
tostudythisinstructionmanual.Youwillfindthatitwillassistyouinyour
completeunderstandingofthefunctionsandcapabilitiesofyouroverlook
machine.
Ifyouwishtoobtainmoreinformation,pleasedonothesitatetocontactyour
dealerwhoisfullyqualifiedtoansweryourquestions.Furthermore,your
dealershouldalsobecontactedforalltechnicalinterventionswhichareunder
warranty.Thankyouforchoosinga 600seriesoverlooker.
Kindestregards,
Themanufacturer
Household OverlookSewingMachines
Models 624DSE, 614DE& 604E
TABLE OF CONTENTS
Front View& Main Parts
MainParts2
Frontdoor3
Sidedoor3
Standard Accessories 3
Preparation
ExtensionDiscs4
ThreadGuidePole4
ConeHoldersandCaps4
InstantRolled/NarrowHemDevice4
Needles5
PresserFootLever5
Snap-onSewingFoot5
ThreadingtheMachine
ThreadingtheUpperLooper6
ThreadingtheLowerLooper6
ThreadingtheRightNeedle7-
ThreadingtheLeftNeedle7
ChangingtheThreads7
Test Sewing
4-ThreadOverlook8
SafetyDevice(Model624)8
Adjustments
ThreadTensions9
StitchLength10
DifferentialFeed(Models624& 614)10
CuttingWidth(Models624& 614)11
FootPressure11
Disengaging/Re-engagingtheMovingBlade11
Utility Stitches
3-Thread/4-ThreadOverlook12
3-ThreadRolled/NarrowHem12
DecorativeTopstitching/Flatlock13
SewingEdge-to-Edge13
Pin-Tucks13
2-ThreadOvercast(Model624)13
2-ThreadRolledHem(Model624)14
OtherSewingApplications
TurningOutsideCornerswithoutCuttingtheThreads15
OverlookingInsideCorners15
TurningCurvedEdges16
RemovingStitchesfromSewnFabric16
SewingExtraHeavyFabrics16
Stitch SelectionChart18-19
Maintenance
CleaningandOiling20
Lubrication20
ChangingtheLightBulb21
ReplacingtheMovingBlade21
Minor Disorders 22
AlphabeticalIndex23

y
FRONT VIEW& MAIN PARTS
Main Parts
©Pressurecontrolknob
@Leftneedlethreadtension(blue)
@Rightneedlethreadtension(red)
@Upperlooperthreadtension(yellow)
©Lowerlooperthreadtension(green)
©Threadguidepole
©Tensionreleaselever(Model624)
®Spoolpin
©Coneholder
©Spoolpinbase
©ON/OFFswitch
@Stitchlengthslide
©Differentialfeedcontrolslide(Models624& 614)
@Needleclamp
©Presserfoot
®Needleplate
©Sidecover
@Frontdoor
@Flywheel
®Footcontrol

Front Door
©Upperlooper
©Lowerlooper
@Instantrolled/narrowhemdevice
©Leftneedle
©Rightneedle
©Movingblade
©Feeddogs
©Fixedblade
SideCover
@Carryinggrip
©Lampcover
©Sewinglight(15wattsmaximum)
©Cuttingwidthdial(Models624& 614)
©Movingbladereleaselever
@Presserfootlever
STANDARD ACCESSORIES
Accessoryboxandaccessoriesincludedwiththemachine:
©Wrenchforreplacingmovingblade
@Allenscrewdriver1.5mm
@Cleaningbrush
@Tweezers
©Oiltube
©AssortmentofneedlesELx705
©Sparemovingblade
©2-threadconverter(Model624)
©Spoolcaps
©Transparentdiscs
©Dustcover
@Screwdriver
©Accessorybox
@Wastetray(Model624)
396001- 13
396002- 69
396001-69
396001-62
396001-70
396001-51
396001-60
396001- 19
396002- 07
396001- 37
396002- 09
396001-71
396001-72
396001-74
SpecialAccessories
Yourdealerwillbepleasedtogiveyoufurtherdetails.

PREPARATION
Connectthefootcontrol,pushingthe
plugwellintothemachineplugbox.
TheON/OFFswitchturnsthelighton(I)
oroff(0),aswellasthesupplyofelectric
currenttothemotor.Switchontorunthe
machineandoffwhenyouarenotsew-
ing. Theelectricfootcontrolregulates
motorandsewingspeeds.Thegreaterthe
pressureonthecontrol,thehigherthe
speed. Presspreferablywiththesoleof
thefoot,notwiththetoes.
Extension Discs
2transparentdiscsaresuppliedwiththe
machine.Placethematbothendsof
thespoolpinbase,asillustrated,to
avoidthreadtangling.
Thread GuidePole
Pullthethreadguidepoleuptothehighest
position. Makesurethateachthread
guideislocatedexactlyaboveitsrespec-
tivespoolpin.
Cone Holdersand Caps
Bothindustrialanddomestictypethread
spoolscanbeusedonthemachine.For
industrialspools,theconeholders(a).
Forspoolswitha largediameter,place
theconeholdershigheruponthespool
pinsorplacethemwiththewidestend
ontop(seeillustration),sothatthespools
canbeseatedfirmlyonthespoolpin
base. Placethespoolsperpendicularly.
Whenusingdomestictypespools,remove
theconeholdersandplacethecaps(b)
overthespoolsofthread.
Instant Rolled/
NarrowHemDevice
Byengagingthelever(c),yourmachine
sewswideroverlockstitches.Bydis-
engagingthelever(c),yourmachineis
readytosewa rolled/narrowhem,without
changingtheneedleplateorthepresser
foot.Todisengagethelever(c),first
openthefrontdoor,raisethepresser
footandbringtheneedle(s)tothehighest
orlowestpositionbyturningtheflywheel
towardstoyoubyhand.
Pulltheknob(d)firsttotheright,and
thenswingitdown.
Toengagethelever(c),takethesame
steps, pulltheknob(d)totheright,and
thenswingitup.

Needles
Youroverlooksewingmachinehasbeen
designedsothatitcanbeusedwith
ordinaryhouseholdsewingmachine
needles,130/705H(15x1),butitisnever-
thelessadvisabletouseneedlesELx
705, forthebeststitchingresults.They
areneedlesfordomesticuseandcan
alsobeusedwithallordinaryhousehold
sewingmachines.Fornormalorthick
fabric,usesize90andforsheerfabric
size80needles.Tochangetheneedles,
raisetheneedlebartothehighest posi-
tionbyturningtheflywheeltowardsyou,
leavingthepresserfootdown.Loosen
theneedleclampscrews(a)withthe
Allenscrewdriver(b),toremovetheold
needles.
Holdthenewneedleswiththeflatside
awayfromyouandpushthemupasfar
astheywillgo.Tightenthescrewsfirmly.
Makesurethattheneedlesclearthe
needleplatebyturningtheflywheelto-
wardsyoubyhand.
Presser Foot Lever
Toraisethepresserfoot,swingthelever
(c) downandyoucanseetheroundmark
inred,asillustrated.
Tolowerthepresserfootswingthelever
(c) up.
N.B.
Forsewingfluffyorfairlythickfabric,
theextralift(2mm)willbeavailableby
swingingthelever(c)downagain.
Snap-on SewingFoot
Toremovethefoot,raisetheneedlebar
andpresserbartotheirhighestpositions,
thenpushthelever(d)ontheshank.
Tolockthefootontotheshank,place
thefootundertheshankandlowerthe
presserbar.

THREADING THEMACHINE
First ofall, disconnect themachine from theelectric outlet
according tothe "Important SafetyInstructions"onpage "0".
Followthethreadingpathscarefully,inaccordancewiththechartsinsidethefront
door,inthesequence 1-2-3-4. Itisimportantthatthreadingiscarriedoutinthefollowing
sequence:
1. Upperlooperthread- Yellowthreadguides
2. Lowerlooperthread- Greenthreadguides
3.Rightneedlethread- Redthreadguides
4. Leftneedlethread- Bluethreadguides
Incorrectthreadingwillresultinseveralproblemssuchasskippedstitchesandthread
breakage.
Beforestartingtothread,makesurethattheinstantrolled/narrowhemdeviceiswell
engagedontheneedleplate.
f
ThreadingtheUpperLooper
-Colouredyellowonthechartandonthe
thread guides.
1. Drawthethreadfromthespool,as
shownonthediagram,passthethread
throughtheguides(A)and(B).
2. Drawthethreaddownbetweenthe
twotensiondiscsoftheyellowtension
control, thenthroughtheotherthread
guidesandtheholeintheupperlooper,
steps(C)to(G).Drawthethreadback
underthepresserfoot,leavingabout
10cmofthreadtotheleft.
Threadingthe Lower Looper
-Colouredgreenonthechartandon
thethread guides.
1. Followa similarprocedureasabove,
andalsoshownonthediagram,steps
(a) to(e).
2. Bringthelowerloopertoitsright
positionbyturningtheflywheelby
hand.
3.Pushthelever(f)downandhook
thethreadontheguide(g),push
thelever(f)uptothewokingposition,
thenpassthethreadthroughtheeye
(h) atthefarrightendofthelooper.
4. Drawthethreadbackunderthepress-
erfoot,leavingabout10cmtothe
left.

ThreadingtheRightNeedle
-Colouredredonthechartandon
thethread guides.
Raisetheneedlebartothehighest
position. Passthethreadthroughthe
guides(A)to(C).Passthethread
throughtheopenslotofthetake-up
levercover(D)anddowntotheguides
(E) and(F).Finallythreadtheright
needlefromfronttoback,thenunder
thefoot,leavingabout10cmofthe
threadtotheleft.
ThreadingtheLeftNeedle
-Colouredblueonthechartandon
thethread guides.
Followa similarprocedureasabove,
andalsoshownonthediagram,
passingthethreadthroughthethread
guidesandleftneedletensionand
finallythreadtheleftneedle,steps
(a) to(f).
Beforestaringtosew,checkagainthat
allthethreadshavebeenproperlypassed
througheverythreadguideandarewell
engagedbetweenthetwotensiondiscs
ofeachtensioncontrol,toensuregood
sewingresults.
N.B.
Shoulditbenecessaryatanytimeto
re-threadthelowerlooper,alwaysremove
thethreadfromtheneedlesfirst,toavoid
tangling.
Changing the Threads
Ifthemachinehasalreadybeenthreaded
andyouwishtochangethethreads,tie
thenewthreadstotheoldthreadsbe-
tweenthethreadguidepoleandthetop
threadguides.Firstrelease(Model624)
orloosenthetensions,thenpullthe
looperthreadsgentlybehindtheneedle
untiltheknotshavepassedthrough.
Nextpulltheneedlethreadgentlyand
bringtheknotstothefrontoftheneedles.
Cutthethreadatbothendsoftheknots
andpassthemthroughtherespective
eyesoftheneedles.
N.B.
Itisadvisabletoraisethetensionrelease
leversothatthetwotensiondiscsof
theredandbluetensioncontrolsopen.
Youcanpulltheneedlethreadsinfront
oftheneedleseasily(Model624).

TEST SEWING
4-ThreadOverlook
Afterthemachinehasbeenthreaded,
startsewinginthefollowingsequence:
1. Makesurethatthefrontdoorisclosed.
Passthe4 threadsunderthefoot
asshowninthedrawing.Lowerthe
presserfoot,makea fewstitches
byhand,turningtheflywheeltowards
you(withoutfabricunderthefoot).
Pressonthefootcontroltomake3
to4 cmofoverlookchain,holding
thethreadsontheleft.Themachine
isnowreadytosew.
3.Placea scrapoffabrictobestitched
infrontofthepresserfoot,thende-
pressthefootcontrol.Donotpull
thefabric;guideitgently.
4. Whenyoureachtheendofthefabric,
donotraisethepresserfoot,continue
sewingatlowspeedforabout10cm
beyondtheendofthefabricsothatthe
machineproducesa chainofthread.
Thencutthethreadwiththethread
cutter(seeillustration).You arethen
readytostartthenextseam.You can
startoverlockingfromtheedgeof
thefabricjustbyfeedingitintothe
frontoftheloweredpresserfoot.
5.Ifthestitchesarenotformedcorrect-
ly,checkifthethreadingroutesare
correctfirstandadjustthetensions
inaccordancewiththeinstructions
onthenextpages.
N.B.
Donotraisethepresserfootattheend
ofa seambutalwayssewa chainofthread
atleast10cmlong.
SafetyDevice (Model 624)
Thefrontdoorisprovidedwitha safety
device.Ifitisopen,themachinewillnot
work.

ADJUSTMENTS
The thread tensions should beadjustedaccordingtothetypeand thickness of both
threadandfabric.Turnthetensionknobsreferringtothenumbersonthe dials; turning
toa highernumber will increase thethreadtensionandtoa lowernumber decrease it.
Thread Tensions
underside ,4.®®
topside
®1
\© s
®1
1.A balancedtension
(a)-(b)Theneedlethreadslieonthe
topsideofthefabric(justlikea row
ofnormalstraightstitches)onthe
upperlooperthread,andjustvisible
inthelowerlooperthreadonthe
undersideofthefabric.
(c) Theupperlooperthreadliesflaton
thetopsideofthefabricandlocks
withthelowerlooperthreadonthe
edgeofthefabric.
(d) Thelowerlooperthreadliesflaton
theundersideofthefabricandlocks
withtheupperlooperthreadonthe
edgeofthefabric.
2. Iftheleftthread(a)istoolooseand
clearlyvisibleontheundersideofthe
fabric,increasetheleftneedlethread
tensionand/ordecreaseeitherorboth
looperthreadtensions.
3.Iftherightneedlethread(b)istoo
looseandclearlyvisibleontheunder-
sideofthefabric,increasetheright
needlethreadtension.
4. Iftheupperlooperthread(c)islooseand
pulledovertotheundersideof
thefabric,increasetheupperlooper
tensionand/ordecreasethelower
loopertension.
5.Ifthelowerlooperthread(d)isloose
andpulledupontothetopsideof
thefabric,increasethelowerlooper
tensionand/ordecreasetheupper
loopertension.
N.B.
Ifthethreadtensionsaretootight,the
fabricwillpucker.

Stitch Length
Mostoverlooksewingprojectscanbe
donewiththestitchlengthsetat2 to3.
However,youcaneasilychangethestitch
lengthbyshiftingthestitchlengthslide
(a) between0.5and4,asdesired.
®
Differential Feed
(Models624& 614)
1. Yourmachineisequippedwithtwo
feeddogs(a)and(b),eachofwhich
movesindependently.However,when
thedifferentialfeedcontrolslide(c)
issetat1.0,bothfeeddogsmove
togethertothesamelength.
Bypushingthedifferentialfeedslide
(c) downtoa highernumber,thefront
feeddog(a)movesthefabricfaster,
asshown.Thishelpstopreventknitted
orstretchfabricsfrompuckeringand
wavingduringsewing.
0
3.Bypushingthedifferentialfeedslide
(c) uptoa lowernumber,thefrontfeed
dog(a)movesthefabricmoreslowly,
asshown.Thishelpstopreventsheer
andlightweightfabricsfrompuckering.
Alwaystestsewona scrapofyourfabric
beforestartinggarmentorcraftconstruc-
tions.
N.B.
Adjustmentstothedifferentialfeedcan
bemadewhilesewing.

Cutting Width
(Models624& 614)
Thecuttingbladesarepre-setatthe
factorysothatmostoverlooksewing
projectscanbedonewithoutchanging
theirposition.Forveryspecialfabric
types, however,youmightattimes,want
toadjustthecuttingwidth.
1. Tochangethecuttingwidth,bringthe
needlebartothehighestposition.
2. Turnthecuttingwidthdialupwards
toincreasethewidth,ordownwardsto
decreaseit.
3.Sewa scrapofthefabrictocheckthe
sewingresult,referringtotheillust-
rations.
f /
®
i
(a) Correct
(b) Thecuttingwidthisnarrowerthan
thestitchwidth.Turnthedialupwards
toincreasethecuttingwidth.
(c) Thecuttingwidthiswiderthanthe
stitchwidth.Inthiscase,thefabric
mightberolledortheneedlethread
tensionmiqhtbecomeloose.Turnthe
dialdownwardstodecreasethecutt-
ingwidth.
©
A
Foot Pressure
Withtheguideline(a)ofthepressure
controlknobevenwiththetopcover
surface(b),thefootpressureissuitable
formostkindsoffabricsandrarely
needsadjusting.Forspecialfabrictypes,
however,youmightattimeswantto
adjustthepressureslightly.
1. Forveryslipperyfabrics,tightenthe
knobclockwiseslightlytoincrease
thepressure.
2. Forverystretchablefabrics,loosen
itcounter-clockwisetodecreasethe
pressure.
Withthelowerguideline(c)ofthe
pressureknobathigherlevelthanthe
topcoversurface,lowerpressurefor
verystretchablefabricsisavailable.
Disengaging/Re-engaging the
Moving Blade
Bydisengagingthemovingblade,you
canenjoyvarioussewingtechniques.
1. Todisengagethemovingblade,first
openthefrontdoor.
2. Pushthemovingbladereleaselever
(a) totherightandthemovingblade
willstopat(b)position.
3.Turnittowardsyoubyhand.
4. Tore-engagethemovingblade,push
themovingbladereleaselevertothe
rightandturnittowardstheback,
thenreleasethelever.

UTILITY STITCHES
3-Thread/4-ThreadOverlook
-Usingtheleftneedle,a 3-threadover-
lock7.0mmwidecanbesewn.
-Usingbothneedles,a 4-threadover-
lock7.0mmwidecanbesewn.
-Usingtherightneedle,a 3-threadover-
lock3.7mmwidecanbesewn.
N.B.
Wheneversewingwith3-thread,remove
theneedleandtightentheneedleclamp
screwyouarenotusing.
3-ThreadRolled/NarrowHem
Bydisengagingtheinstantrolled/narrow
hemdevice,yourmachineisreadytosew
arolledornarrowhemonlightweight
andsheerfabrics.
Thetensionsettingsfortherolledor
narrowhemareslightlydifferentfrom
thoseoftheregular3-threadoverlock.
Refertothefollowingillustrations.
(A)Rolledhem(Rightneedleonly)
Decreasetheupperlooperthread ten-
sionslightlyandincreasethelower
threadtensionasrequiredsothatthe
upperlooperthread(a)iscompletely
rolleddowntotheundersideofthe
fabric.
(B) Narrowhem(Rightneedleonly)
Increasebothlooperthreadtensions
slightlysothatthelooperthreadsare
firmlylockedtogetherontheedgeof
thefabric.
Sewona scrapoffabricandadjust
thetensionsaccordingtotheillustration,
dependingonthedesiredfinish.Itis
recommendedtousestretchthreads,
suchaswoollynylonintheupperlooper
orbothloopers.
N.B.
Ifthefabrictendstopucker,guideit
bygentlypullingittothebackwithyour
lefthand,andatthesametimelightly
holdingitwithyourrighthand,forgood
stitchingresults.

DecorativeTopstitching
/Flatlock (Leftneedleonly)
Fortopstitchingwith3 threads,adjust
thethreadtensionssothatthelowerlooper
threadliesstraightattheedgeofthefabric
bygreatlylooseningtheneedlethread
tensionandslightlylooseningtheupper
looperthreadtension.
1.Disengagethemovingblade
(seepage11).
2. Foldthefabricalongthelinetobe
topstitchedandsewoverthefolded
edge.
3.Unfoldthefabric,pulltheendsofthe
threadtotheundersideandpressflat.
Thefinalappearancecanbeenhanced
byusinga heavydecorativethread
suitableforoverlookuseinthelooper(s).
Byusingthe2-threadconvertoronthe
upperlooper,2-threadflatlockwillbe
available(Model624).
Sewing Edge-to-Edge
Aligntheedgesofthetwopiecesoffabric,
withtheirwrongsidesfacingeachother,
andproceedina similarmannerasabove.
Unfoldandpress.Byusingdifferentco-
louredfabricsandthreads,anattractive
"patchwork"effectcanbeachieved.
Pin-Tucks
Disengagethemovingblade(seepage11)
Foldthefabricalongthelinetobepin-
tucked, sewalongthefoldededgeand
press.
2-Thread Overcast
(Model 624)
Withthe2-threadconvertor(a)and
usinga singleneedle,yourmachinecan
sewa 2-threadovercastwhichisoften
usedforovercastinga singlelayerof
fabricfordecorativetopstitching(flatlock),
etc.
1.Removetheneedleyouarenotusing
(thesameasfor3-threaduse)and
theupperthreadfromthemachine.
2. Tofitthe2-threadconvertoronto
theupperlooper(b),firstinsertthe
tipoftheconvertorintotheupper
loopereyefromtheback,thensnap
theotherendsecurelyintothehole
(c) oftheupperlooper.
Thetensionsettingsforthe2-thread
overcastaredifferentfromthoseof3-
threaduse.Pre-settheneedleandlower
looperthreadtensioncontrolsat0.5and
6.0,respectively.

3.A balancedtension
(d) Theneedlethreadliesflatandstraight,
totheleft,andlockswiththelower
looperthreadonthetopsideofthe
fabricandasa flatV-shapeonthe
underside.
(e) Thelowerlooperthreadliesflatonthe
topsideofthefabricandlocksonthe
edgewiththeneedlethread.
Tohavetheneedlethread(d)pulled
upoverthefabricedgetothetop
sideofthefabric,increasetheneedle
threadtensionand/orthelowerthread
tension.
5.Tohavethelowerlooperthread(e)
pulleddownoverthefabricedgeto
theundersideofthefabric,increase
thelowerloopertensionand/ordecrease
theneedlethreadtension.
2-ThreadRolledHem
(Model 624)
Withthe2-threadconvenorandusing
therightneedle,yourmachinecansew
a2-threadrolledhem.Tightentheneedle
tensionsothatthelowerlooperthread
iscompletelyrolleddowntotheunderside
ofthefabric.

OTHER SEWING APPLICATIONS
TurningOutside Corners
without Cuttingthe Threads
1.Whenyoureachtheendofthefabric,
stopstitchingwiththeneedleabove
thefabric.Raisethepresserfoot.Gently
pullthechainofthreadoutfromthe
needleplate,leaving2 or3 loopsof
threadonthestitchfinger.Turnthe
fabric,lowerthepresserfootandcom-
mencestitchinginthenewdirection.
2. Whenoverlockingandtrimmingatthe
sametime,cutthefabricbyhand
alongthenewstitchinglineforabout
3cm,beforeturningthefabric.Itis
preferabletomakea smallcuttomark
thesecondstitchline,beforestarting
tosew.
OverlookingInside Corners
1. Whenoverlockinganinsidecorneron
apocket,etc.,clipabout3 to.4mm
intothecorner.
2. Foldthefabricinto,a straightedge,
asshown,andsewalongtheedge,
trimmingverylittle,ifnecessary.
3.Openandpressthefabric.

TurningCurved Edges
1. Forinsidecurves,guidethefabric
gently,applyingpressurewithyour
lefthandatpoint"A"inthedirection
ofthearrow,andatthesametime
applyinga littlepressureintheop-
positedirectionwithyourrighthand
atpoint"B".
2. Foroutsidecurves,sewina similar
manner,butapplyingthepressurein
theoppositedirections.
r
Removing Stitches from
Sewn Fabric
1. Sniptheneedlethread(s)atintervals.
Thengentlypullthelooperthread; the
stitchingwillunravelandbeeasyto
remove.
Sewing Extra Heavy Fabrics
Beforesewingextraheavyfabrics,itis
advisabletolockthemovingblade.
Removethesewingfoot(seepage5).
Loosenthescrews(a)withthescrew-
driver(b)sothattheneedleplatecan
betakenoff.
Tightenthescrew(c)withtheAllen
screwdriver(d)tolockthemovingblade.
Refittheneedleplateandthesewing
foot.
Aftersewingextraheavyfabrics,always
loosenthisscrewslightly,tounlockthe
bladefornormalsewing.

NOTES
A

STITCH SELECTION CHART
•
Thethreadtensionvalues,stitchlength,needleposition(s)
anddifferentialfeedarebasicsettingsandmustbe
adjustedorcorrecteddependingonthefabricandthe
threads.
Stitches
©© © ©
BlueRedYellowGreen
©Rightneedlethread
tensionvalues
©Leftneedlethread
tensionvalues
Needleposition(s)
L= Left
R= Right
4THREAD
©Upperlooperthread
tensionvalues
@Lowerlooperthread
tensionvalues
Stitchlength
Differentialfeed
Positionof
movingblade
Positionof
instantrolled/narrowhemdevice
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