Singer 15 — User manual

SewingSewing MachineMachine No.No. 1515SINGER

                   (WITH(WITH ATTACHMENTSATTACHMENTS 120603)120603)
             OSCILLATINGOSCILLATING SHUTTLE,SHUTTLE, FORFOR FAMILYFAMILY USEUSE





             (SINGES
                              7                 3
                              8





                                             E 1917

  No.No. 1515 InstructionInstruction ManualManual


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SewingSewingMachineMachine No.No. 1515SINGER•

 TableTable ofof ContentsContents
 InstructionsInstructions forfor                           InstructionsInstructions forfor
 OperatingOperating thethe MachineMachine                  UsingUsing thethe AttachmentsAttachments

 MainMain PartsParts                                FootFoot HemmerHemmer ---- HemmingHemming
 ToTo TakeTake outout thethe BobbinBobbin                     FootFoot HemmerHemmer ---- HemmingHemming andand
 ToTo WindWind thethe BobbinBobbin                                    Sewing on Lace
 To thread the Bobbin Case                   FootFoot HemmerHemmer- --Felling™Felling
 ToTo ReplaceReplace thethe BobbinBobbin CaseCase                  AdjustableAdjustable HemmerHemmer ---- HemmingHemming
 To Set the Needle                             AdjustableAdjustable HemmerHemmer ---- WideWide HemmingHemmin
 To Thread the Needle                        Beinder -- Binding
 ToTo PreparePrepare forfor SewingSewing                       Tucker                                     Tucker
 ToTo CommenceCommence SewingSewing                       RufflerRuffler
 ToTo RemoveRemove thethe WorkWork                      ToTo AttachAttach thethe RufflerRuffler toto thethe MachineMachine
 TensionsTensions                                 ToTo AdjustAdjust thethe RufflerRuffler forfor GatheringGathering
 ToTo RegulateRegulate thethe TensionsTensions                  ToTo MakeMake aa RuffleRuffle andand SewSew itit toto
 ToTo RegulateRegulate thethe LengthLength ofof StitchStitch              aaGarmentGarment inin OneOne OperationOperatio
 To• TurnTurn aa CorneCorner                          Too RuffleRuffle andandSewSewonona
 To› RegulateRegulate thethe PressurePressure onon thethe MateriMaterial         Facing in One Operation
                                                Piping a Ruffle
 HINTSHINTS                                  ToTo AdjustAdjust thethe RufflerRuffler forfor PlaitingPlaiting
 TheThe BeltBelt                                 To Adjust the Ruffler for
 MachineMachine WorkingWorking HeavilyHeavily                 GroupGroupPlaitingPlaiting andand GatheringGathering
 ToTo AvoidAvoid BreakingBreaking NeedlesNeedles                 ToTo OilOil thethe RufflerRuffler
 BreakingBreaking ofof NeedleNeedle ThreadThread
 Breaking of Bobbin Thread
 Skipping of Stitches
SoTo Oilhothe Machineon throad





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SewingSewingMachineMachine No.No. 1515SINGER-

              INSTRUCTIONSINSTRUCTIONS FORFOR OPERATINGOPERATING THETHE MACHINEMACHINE

RaiseRaise thethe presserpresser footfoot (2,(2, FigFig 3)3) byby meansmeans ofof thethe presserpresser barbar lifterlifter
(3,(3, Fig.Fig. 3)3) toto preventprevent injuryinjury toto thethe footfoot (2,(2, Fig.Fig. 3)3) andand feedfeed (1,(1, Fig.Fig. 3).3).




               SINCER

                                      - 3

                2
                                  5




                                                             E 1996

                                FIG.FIG. 3.3. FRONTFRONT VIEWVIEW OFOF THETHE MACHINEMACHINE


ItIt isis necessarynecessary toto understandunderstand thethe stopstop motionmotion (5,(5, Fig,Fig, 3)3) byby whichwhich thethe balancebalance wheelwheel (4,(4, Fig.Fig.
3)3) cancan bebe releasedreleased whenwhen required,required, thusthus enablingenabling thethe operatoroperator toto becomebecome proficientproficient inin thethe useuse
ofof thethe treadle,treadle, andand permittingpermitting thethe windingwinding ofof bobbinsbobbins withoutwithout runningrunning thethe stitchingstitching mechanism.mechanism.
ItIt alsoalso allowsallows thethe operatoroperator toto windwind bobbinsbobbins withoutwithout removingremoving partiallypartially sewnsewn workwork andand withoutwithout
unthreadingunthreading thethe machine.machine.



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                     44

SewingSewingMachineMachine No.No. 1515SINGER-

 ToTo releaserelease thethe balancebalance wheelwheel (4,(4, Fig.Fig. 3,3, pagepage 3)3) turnturn thethe stopstop motionmotion screwscrew (5,(5, Fig.Fig. 3,3, pagepage 3)3)
 overover towardtoward you.you. ItIt willwill bebe necessarynecessary toto holdhold thethe balancebalance wheelwheel whilewhile looseningloosening thethe stopstop
 motionmotion screw.screw.

 AfterAfter releasingreleasing thethe balancebalance wheel,wheel, placeplace youryour feetfeet uponupon thethe treadletreadle andand withwith thethe rightright handhand
 turnturn thethe balancebalance wheelwheel overover towardtoward you.you. ThisThis willwill startstart thethe bandband wheel,wheel, treadletreadle andand pitman,pitman,
 thethe sewingsewing mechanismmechanism havinghaving beenbeen disconnected.disconnected.

 ContinueContinue thethe motionmotion thusthus begunbegun byby anan alternatealternate pressurepressure ofof heelheel andand toe,toe, untiluntil aa regularregular andand
 easyeasy movementmovement isis acquired,acquired, andand thethe balancebalance wheelwheel keptkept continuouscontinuous rotationrotation byby useuse ofof thethe
 feetfeet alone.alone.

 WhenWhen youyou areare thoroughlythoroughly familiarfamiliar withwith thethe treadletreadle movement,movement, andand cancan restartrestart thethe machinemachine
 withoutwithout turningturning thethe balancebalance wheelwheel inin thethe wrongwrong directiondirection tightentighten thethe stopstop motionmotion screwscrew toto
 connectconnect thethe balancebalance wheelwheel withwith thethe stitching:stitching: mechanism.mechanism.

 PlacePlaceaa piecepiece ofof clothcloth underunder thethe presserpresser foot,foot, letlet thethe footfoot downdown uponupon it,it, andand operateoperate thethe
 machinenachine inin thisthis wayway withoutwithout beingbeing threaded,threaded, untiluntil youyou havehave becomebecome accustomedaccustomed toto guidingguiding
thethe material.material.

 To Ensure Perfect Action of the MachineTo Ensure Perfect Action of the Machine
TheThe balancebalance wheelwheel mustmust alwaysalways turnturn overover towardtoward thethe operator.operator.

 Do not run the machine with the presser foot resting on the feed without cloth under the
 presserpresser tofoot.the machine with the presser foot resting on the feed without cloth under the

DoDo notnot runrun thethe machinemachine whenwhen bothboth bobbinbobbin casecase andand needleneedle areare threadedthreaded unlessunless therethere isis
materialmaterial underunder thethe presserpresser foot.foot.

DoDo notnot trytry toto helphelp thethe machinemachine byby pullingpulling thethe fabricfabric lestlest youyou bendbend thethe needle.needle. TheThe machinemachine
feedsfeeds thethe workwork withoutwithout assistance.assistance.

TheThe slideslide overover thethe bobbinbobbin casecase shouldshould bebe keptkept closedclosed whenwhen thethe machinemachine isis inin operation.operation.

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                         55

SewingSewing MachineMachine No.No. 1515SINGER

ToTo TakeTake OutOut thethe BobbinBobbin

DrawDraw toto thethe leftleft thethe slideslide inin thethe bedbed ofof thethe machinemachine ReachReach downdown withwith thethe thumbthumb andand forefingerforefinger
ofof thethe leftleft hand,hand, openopen thethe bobbinbobbin casecase latchlatch (2,(2, Fig.Fig. 4)4) andand liftlift outout thethe bobbinbobbin case.case. WhileWhile thethe
latchlatch remainsremains open,open, thethe bobbinbobbin isis retainedretained inin thethe bobbinbobbin case.case. ReleaseRelease thethe latch,latch, turnturn thethe
openopen endend ofof thethe bobbinbobbin casecase downwarddownward andand thethe bobbinbobbin willwill dropdrop out.out.





                                        = 2010

                                 FIG.FIG. 4.4. TAKINGTAKING OUTOUT THETHE BOBBINBOBBIN CASECASE




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                                     66

SewingSewing MachineMachine No.No. 1515SINGER

ToTo WindWind thethe BobbinBobbin

ReleaseRelease thethe balancebalance wheelwheel (4,(4, Fig.Fig. 3)3) byby turningturning thethe stopstop motionmotion screwscrew (5,(5, Fig.Fig. 3)3) overover towardtoward you.you.


               2

                     USINGES




                       9
          4—10           11                                   2nr-




                        FIG.FIG. 5.5. MACHINEMACHINE THREADEDTHREADED FORFOR WINDINGWINDING THETHE BOBBINBOBBIN

PlacePlace thethe bobbinbobbin onon thethe bobbinbobbin winderwinder spindlespindle (8,(8, Fig.Fig. 6)6) andand pushpush itit upup closelyclosely againstagainst thethe
shoulder,shoulder, havinghaving thethe smallsmall pinpin inin thethe spindlespindle enterenter thethe slotslot inin thethe sideside ofof thethe bobbin.bobbin. PutPut thethe
spoolspool ofof threadthread onon thethe spoolspool pinpin (1,(1, Fig.Fig. 5).5). PassPass thethe endend ofof thethe threadthread intointo thethe threadthread guideguide
(2,(2, Fig.Fig. 5)5) atat thethe leftleft andand nearnear thethe toptop ofof thethe arm,arm, thenthen upup intointo thethe lowerlower eyeleteyelet(3,(3,Fig.Fig.6)6)ofof
thethe bobbinbobbin winderwinder threadthread guide,guide, intointo thethe notchnotch (4,(4, Fig.Fig. 6)6) andand passpass thethe threadthread throughthrough thethe slotslot
inin thethe leftleft sideside ofof thethe bobbinbobbin fromfrom thethe inside.inside. PressPress thethe bobbinbobbin winderwinder pulleypulley (5,(5, Fig.Fig. 6)6) downdown
onon thethe balancebalance wheelwheel hub,hub, andand thethe latchlatch (7,(7, Fig.Fig. 6)6) willwill dropdrop downdown andand holdhold it.it. ThenThen operateoperate
thethe treadletreadle thethe samesame asas forfor sewing.sewing.


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                                     7

SewingSewing MachineMachine No.No. 1515SINGER-

TheThe endend ofof thethe threadthread mustmust bebe heldheld byby thethe handhand untiluntil aa fewfew coilscoils areare woundwound andand shouldshould thenthen
bebe brokenbroken off.off. WhenWhen sufficientsufficient threadthread hashas beenbeen woundwound uponupon thethe bobbin,bobbin, thethe bobbinbobbin winderwinder isis
automaticallyautomatically releasedreleased fromfrom thethe balancebalance wheel.wheel.

 IfIf thethe pressurepressure ofof thethe rubberrubber ringring (5,(5, Fig.Fig. 6)6) againstagainst thethe hubhub ofof thethe balancebalance wheelwheel isis
insufficientinsufficient forfor windingwinding thethe bobbin,bobbin, loosenloosen thethe adjustingadjusting screwscrew (6,(6, Fig.Fig. 6)6) andand presspress thethe bobbinbobbin
winderwinder lightlylightly untiluntil thethe rubberrubber ringring isis inin contactcontact withwith thethe hubhub ofof thethe balancebalance wheel;wheel; thenthen tightentighten
thethe screw.screw.



                             7





                                                         5




                                                                4,



                                     F. 2000                        4        • 3


                                     FIG.FIG. 6.6. WINDINGWINDING THETHE BOBBINBOBBIN




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                                     8

SewingSewingMachineMachine No.No. 1515SINGER-

ToTo ThreadThread thethe BobbinBobbin CaseCase

                                         HoldHold thethe bobbinbobbin betweenbetween thethe thumbthumb andand
                                                 forefingerforefinger ofof thethe rightright hand,hand, thethe threadthread
                                             leadingleading onon toptop fromfrom thethe leftleft towardtoward thethe rightright
                                          (see(see Fig.Fig. 7).7).





                   E20C9

                   FIG.FIG. 77

 With the left hand hold the bobbin case asWith the left hand hold the bobbin case as
shownshown inin Fig.Fig. 7,7, thethe slotslot inin thethe edgeedge beingbeing atat
thethe top,top, andand placeplace thethe bobbinbobbin intointo it.it.





                                                                 FIG.FIG. 88

                                     ThenThen pullpull thethe threadthread intointo thethe slotslot inin thethe edgeedge
                                                  ofof thethe bobbinbobbin casecase (see(see Fig.Fig. 8),8), drawdraw thethe
                                            threadthread downdown underunder thethe tensiontension springspring andand
                                                    intointo thethe deliverydelivery atat thethe endend ofof thethe tensiontension
                                              springspring (see(see Fig.Fig. 9).9).



        E 2007
                       FIG.FIG. 99

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                        99

SewingSewing MachineMachine No.No. 1515SINGER

ToTo ReplaceReplace thethe BobbinBobbin CaseCase

AfterAfter threading,threading, taketake thethe bobbinbobbin casecase byby thethe latch,latch, holdingholding itit betweenbetween thethe thumbthumb andand
forefingerforefinger ofof thethe leftleft hand.hand. PlacePlace thethe bobbinbobbin casecase onon thethe centrecentre studstud (1,(1, Fig.Fig. 4)4) ofof thethe shuttleshuttle
bodybody withwith thethe positionposition fingerfinger (1,(1, Fig.Fig. 10)10) oppositeopposite thethe notchnotch atat thethe toptop ofof thethe shuttleshuttle race,race,
releaserelease thethe latchlatch andand presspress thethe bobbinbobbin casecase backback untiluntil thethe latchlatch catchescatches thethe groovegroove nearnear thethe
endend ofof thethe stud.stud. AllowAllow thethe threadthread toto hanghang freefree andand closeclose thethe slideslide inin thethe bedbed ofof thethe machine.machine.





                                 2



                                                           = 2012



                           FIG.FIG. 10.10. BOBBINBOBBIN CASECASE THREADEDTHREADED ANDAND REPLACEDREPLACED

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                             1010

SewingSewing MachineMachine No.No. 1515SINGER

ToTo SetSet thethe NeedleNeedle

TurnTurn thethe balancebalance wheelwheel overover towardtoward youyou untiluntil thethe needleneedle barbar (9,(9, Fig.Fig. 5)5) movesmoves upup toto itsits
 highesthighest paint,paint, loosenloosen thethe thumbthumb screwscrew (10,(10, FigFig 5)5) inin thethe needleneedle clampclamp (11,(11, Fig.Fig. 5)5) andand putput thethe
needleneedle upup intointo thethe clampclamp asas farfar asas itit willwill go,go, withwith itsits flatflat sideside towardtoward thethe right,right, thenthen tightentighten thethe
thumbthumb screw.screw.
ToTo ThreadThread thethe NeedleNeedle
(See(See FIG.FIG. 11)11)
                                                      5TurnTurn thethe balancebalance wheelwheel overover towtow towardtoward youyou
untiluntil thethe threadthread take-uptake-up leverlever (5)(5) isis raisedraised toto
itsits highesthighest point.point. PlacePlace thethe spoolspool ofof threadthread onon
thethe spoolspool pinpin atat thethe toptop ofof thethe machine,machine, leadlead
thethe threadthread towardtoward thethe leftleft throughthrough thethe threadthread
guideguide (1)(1) atat thethe backback andand atat thethe toptop ofof thethe
faceface plate,plate, down,down, underunder andand fromfrom backback toto
frontfront betweenbetween thethe tensiontension discsdiscs (2)(2) upup backback ofof
thethe tensiontension threadthread guardguard (3),(3), downdown intointo thethe
looploop ofof thethe takeuptakeup springspring (4),(4), upup andand fromfrom                                      2 -
backback toto frontfront throughthrough thethe holehole inin thethe endend ofof
thethe threadthread take-uptake-up leverlever (5),(5), downdown intointo thethe
eyeleteyelet (6)(6) inin frontfront ofof thethe faceface plate,plate, intointo thethe                                  3
 lowerlower wirewire guideguide (7),(7), thenthen fromfrom leftleft toto rightright
throughthrough thethe eyeeye ofof thethe
needleneedle (8).(8).

DrawDraw aboutabout twotwo inchesinches ofof threadthread throughthrough thethe
eyeeye ofof thethe needleneedle withwith whichwhich toto corncorn com-com-
mencemence sewing.sewing.



                                                              FIG.FIG. 1111 THREADINGTHREADING THETHE NEEDLENEEDLE

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                                     11                        11

SewingSewing MachineMachine No.No. 1515SINGER

ToTo PreparePrepare forfor SewingSewing

WithWith thethe leftleft handhand holdhold thethe endend ofof thethe needleneedle thread,thread, leavingleaving itit slackslack fromfrom thethe handhand toto thethe needle.needle.





                      1A27NA
                                               E 199s


                               FIG. 12 DRAWING UP THE BOBBIN THREAD                              FIG. 12 DRAWING UP THE BOBBIN THREAD
TurnTurnthethebalancebalance wheelwheel overover towardtoward youyou untiluntil thethe needleneedle movesmoves downdown andand upup againagain toto itsits highesthighest point,point,
 thusthus catchingcatching thethe bobbinbobbin thread;thread; drawdraw upup thethe needleneedle threadthread andand thethe bobbinbobbin threadthread willwill comecome upup withwith itit
 throughthrough thethe holehole inin thethe throat]throat] plateplate (see(see Fig.Fig. 12).12). LayLay bothboth threadsthreads backback underunder thethe presserpresser foot.foot.

ToToCommenceCommence SewingSewing

PlacePlace thethe materialmaterial beneathbeneath thethe presserpresser foot,foot, lowerlower thethe presserpresser footfoot andand commencecommence toto sew,sew, turningturning thethe
balancebalance wheelwheel overover towardtoward you.you.

ToTo RemoveRemove thethe WoWorkrk

LetLetthethethreadthread taketake upup leverlever restrest atat itsits highesthighest point,point, raiseraise thethe presserpresser footfoot andand drawdraw thethe fabricfabric backback andand toto
thetheleft,left, passpass thethe threadsthreads overover thethe threadthread cuttercutter (1,(1, Fig.Fig. 12)12) andand pullpull downdown lightlylightly toto seversever them.them.LeaveLeave thethe
endsendsofofthethe threadsthreads underunderthethe presserpresser foot.foot.

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                                     12                        12

SewingSewing MachineMachine No.No. 1515SINGER

TensionsTensions

 ForFor ordinaryordinary stitching,stitching, thethe needleneedle andand bobbinbobbin threadsthreads shouldshould bebe lockedlocked inin thethe centrecentre ofof thethe
 thicknessthickness ofof thethe material,material, thus:thus:
      managangFIG.FIG. 13.13. PERFECTPERFECT STITCHSTITCH

 IfIf thethe tensiontension onon thethe needleneedle threadthread isis tootoo tight,tight, oror ifif thatthat onon thethe bobbinbobbin threadthread isis tootoo loose,loose, thethe
 needleneedle threadthread willwill lielie straightstraight alongalong thethe upperupper surfacesurface ofof thethe material,material, thus:thus:




                                FIG. 14. TIGHT NEEDLE THREAD TENSION
                               FIG. 14. TIGHT NEEDLE THREAD TENSION

 IfIf thethe tensiontension onon thethe bobbinbobbin threadthread isis tootoo tighttight oror ifif thatthat onon thethe needleneedle threadthread isis tootoo loose,loose, thethe
 bobbinbobbin threadthread willwill lielie straightstraight alongalong thethe underunder sideside ofof thethe material,material, thus:thus:
     managas                               FIG.FIG. 15.15. LOOSELOOSE NEEDLENEEDLE THREADTHREAD TENSIONTENSION

 ToTo RegulateRegulate thethe TensionsTensions

TheThe tensiontension onon thethe needleneedle threadthread shouldshould onlyonly bebe regulatedregulated whenwhen thethe presserpresser footfoot isis down.down.
HavingHaving loweredlowered thethe presserpresser foot,foot, turnturn thethe smallsmall thumbthumb nutnut (12,(12, Fig.Fig. 5)5) atat thethe frontfront ofof thethe
tensiontensiondiscsdiscs overover towardtoward youyou toto increaseincrease thethe tension.tension. ToTo decreasedecrease thethe tension,tension, turnturn thethe
thumbthumb nutnut overover fromfrom you.you.


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                          1313

SewingSewing MachineMachine No.No. 1515SINGER-

The tension on the bobbin thread is regulated by the screw (1, Fig. 8) in the bobbin case tension
 spring.Spring.ToToincreaseincreasethethetension,tension,turnum thethe screwscrew overover toto thethe right.vigi: TOTo decreasedecrease thethe tension,tension, tensturn thethe
screwscrew overover toto thethe left.left.

WhenWhen thethe tensiontension onon thethe bobbinbobbin threadthread hashas beenbeen onceonce properlyproperly adjusted,adjusted, itit isis seldomseldom necessarynecessary toto
changechangeit,it, asas aa correctcorrect stitchstitch cancan usuallyusually bebe obtainedobtained byby varyingvarying thethe tensiontension onon thethe needleneedle thread.thread.

ToTo RegulateRegulate thethe LengthLength ofof StitchStitch

TheThe lengthlength ofof stitchstitch isis regulatedregulated byby thethe largelarge thumbthumb screwscrew (14,(14, Fig.Fig. 6)6) inin thethe slotslot onon thethe frontfront ofof thethe
arm near the bobbin winder.arm near the bobbin winder.
ToTo lengthenlengthen thethe stitch,stitch, loosenloosen thisthis screwscrew andand movemove itit downward.downward. ToTo shortenshorten thethe stitch,stitch, movemove thethe
screwscrew upward.upward. WhenWhen thethe desireddesired lengthlength ofof stitchstitch isis obtained,obtained, tightentighten thethe thumbthumb screw.screw.

ToTo TurnTurn aa CornerCorner

StopStopthethe machinemachine withwith thethe needleneedle atat itsits lowestlowest point.point. RaiseRaise thethe presserpresser footfoot andand turnturn thethe workwork asas
 desired,desired, usingusing thethe needleneedle asas aa pivot.pivot.

ToTo RegulateRegulate thethe PressurePressure onon thethe MaterialMaterial

 For=or ordinaryordinary familyfamily sewing,sewing, itit isis seldomseldom necessarynecessary toto changechange thethe pressurepressure onon thethe material.material. IfIf sewingsewing
 finefine silksilk oror flimsyflimsy material,material, lightenlighten thethe pressurepressure byby turningturning thethe thumbthumb screwscrew (13,(13, Fig.Fig. 5)5) onon thethe toptop olof
 the machine over to the left. To increase the pressure, turn this screw over to the right. The pres-
sure should be only heavy enough to prevent the material from rising with the needle and to enable
 the feed to move the work along evenly; a heavier pressure will make the machine run hard.

ToTo SewSew FlannelFlannel oror BiasBias SeamsSeams

UseUse aa shortshort stitchstitch andand asas lightlight aa tensiontension asas possiblepossible onon thethe needleneedle threadthread soso asas toto havehave thethe threadthread
 looseloose enoughenough inin thethe seamseam toto allowallow thethe goodsgoods toto stretchstretch ifif necessary.necessary.

AA StitchStitch toto RavelRavel EasilyEasily

cancan bebe mademadeifif desired,desired, byby havinghaving thethe tensiontension onon thethe needleneedle threadthread soso lightlight thatthat thethe bobbinbobbin threadthread
 willwill notnot drawdraw intointo thethe goodsgoods butbut lielie straight,straight, asas shownshown inin Fig.Fig. 15.15.

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                                     14                          14

SewingSewing MachineMachine No.No. 1515SINGER

HINTSHINTS

TheThe Belt.Belt. SeeSeethatthatthethebeltbeltisisnotnottootootight;tight; itit shouldshould alwaysalways bebe tighttight enoughenough toto notnot slip.slip. IfIf tootoo
 loose,loose, removeremove thethe hookhook atat oneone end,end, shortenshorten thethe beltbelt andand rejoin.rejoin.

MachineMachine WorkingWorking Heavily.Heavily.If Ifthethemachinemachinerunsrunshardhardafterafter standingstanding idleidle forfor somesome time,time, useuse aa
littlelittle kerosenekerosene inin thethe oilingoiling places.places. runrun thethe machinemachine rapidly,rapidly, thenthen wipewipe cleanclean andand oil.oil.

ToTo AvoidAvoid BreakingBreakingNeedles.Needles.SeeSeethatthatthethepresserpresserfootfootororattachmentsattachmentsarearesecurelysecurely fastenedfastened
byby thethe thumbthumb screw.screw. DoDo notnot sewsew heavyheavy seamsseams oror veryvery thickthick goodsgoods withwith tootoo finefine aa needle.needle. AA
 largelarge needleneedle andand threadthread toto correspondcorrespond shouldshould bebe usedused onon heavyheavy work.work.

SeeSee thatthat thethe needleneedle isis notnot bentbent andand avoidavoid pullingpulling thethe materialmaterial whenwhen stitching.stitching.

BreakingBreaking ofof NeedleNeedle Thread.Thread.If Ifthetheneedleneedlethreadthreadbreaksbreaks itit maymay bebe causedcaused by:by:

         • Improper• Improperthreading.threading.

         •• TensionTension beingbeing tootoo tight.tight.

        •• TheThe threadthread beingbeing tootoo coarsecoarse forfor sizesize ofof needle.needle.

        •• TheThe needleneedle beingbeing bent,bent, havinghaving aa bluntblunt point,point, oror beingbeing setset incorrectlyincorrectly

BreakingBreaking ofofBobbinBobbinThread.Thread.IfIfthethebobbinbobbinthreadthread breaksbreaks itit maymay bebe causedcaused by:by:

         • Improper• Improperthreadingthreading ofof bobbinbobbin case.case.

         • •TensionTensionbeingbeing tootoo tight.tight.

SkippingSkippingofofStitches.Stitches.TheTheneedleneedlemaymaynotnotbebeaccuratelyaccurately setset intointo thethe needleneedle barbar oror thethe
needleneedle maymay bebe bluntblunt oror bent.bent. TheThe needleneedle maymay bebe tootoo smallsmall forfor thethe threadthread inin use.use.


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                          1515

SewingSewing MachineMachine No.No. 1515SINGER

ToTo OilOil thethe MachineMachine

 ToTo ensureensure easyeasy running,running, thethe machinemachine andand standstand requirerequire oilingoiling andand ifif usedused continuouslycontinuously shouldshould
 bebe oiledoiled eacheach day.day. WithWith moderatemoderate use,use, anan occasionaloccasional oilingoiling isis sufficient.sufficient. OilOil shouldshould bebe appliedapplied
 atat eacheach ofof thethe placesplaces shownshown byby arrowsarrows inin Figs.Figs. 10,10, 1616 andand 17.17. OneOne dropdrop ofof oiloil atat eacheach pointpoint isis
 sufficient.sufficient. OilOil holesholes areare providedprovided inin thethe machinemachine forfor bearingsbearings whichwhich cannotcannot bebe directlydirectly
 reached.reached.





                          • SINGER I-





                                                                E 2014


                        FIG. 16. OILING POINTS AT THE FRONT OF THE MACHINE                     FIG. 16. OILING POINTS AT THE FRONT OF THE MACHINE

DrawDraw toto thethe leftleft thethe slideslide inin thethe bedbed ofof thethe machinemachine andand applyapply aa fewfew dropsdrops ofof oiloil toto thethe shuttleshuttle
racerace(2,(2,Fig.Fig. 10).10). TheThe slideslide shouldshould thenthen bebe closed.closed.

 LoosenLoosen thethe screwscrew (1,(1, Fig.Fig. 16)16) nearnear thethe upperupper endend ofof thethe faceface plate,plate, raiseraise thethe plateplate andand slipslip itit
offoff overover thethe headhead ofof thethe screw;screw; putput oneone dropdrop ofof oiloil intointo eacheach ofof thethe oiloil holesholes andand joints.joints.


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                          1616

SewingSewing MachineMachine No.No. 1515SINGER

OnOn thethe backback ofof thethe armarm isis aa roundround plateplate oror cover,cover, fastenedfastened byby aa thumbthumb screw;screw; loosenloosen thethe
screw,screw, turnturn thethe plateplate upwardupward andand fastenfasten byby tighteningtightening thethe screw;screw; turnturn thethe balancebalance wheelwheel
slowlyslowly andand oiloil thethe movingmoving partsparts inside,inside, thenthen turnturn thethe covercover downdown andand fastenfasten itit asas before.before.

ToTo reachreach thethe partsparts underneathunderneath thethe bed,bed, thethe beltbelt mustmust bebe thrownthrown oiloil thethe bandband wheelwheel onon thethe
machinemachine stand.stand. ForFor thisthis purposepurpose aa beltbelt shiftershifter (6,(6, Fig.Fig. 1)1) isis placedplaced atat thethe frontfront ofof thethe bandband
wheel.wheel. ByBy pressingpressing thethe beltbelt shiftershifter leverlever toto thethe leftleft andand workingworking thethe treadletreadle meanwhile,meanwhile, thethe beltbelt
isis releasedreleased andand thethe headhead cancan thenthen bebe turnedturned backback onon itsits hinges.hinges. TheThe placesplaces toto bebe oiledoiled areare
indicatedindicated inin Fig.Fig. 17,17, byby arrowsarrows pointingpointing toto thethe oiloil holesholes andand bearings.bearings.





                                                   E 2CH)

                             FIG.FIG. 17.17. OILINGOILING POINTSPOINTS ININ BASEBASE OFOF MACHINEMACHINE

ToTo oiloil thethe stand,stand, putput aa dropdrop ofof oiloil onon thethe centrescentres onon whichwhich thethe bandband wheelwheel andand treadletreadle work,work,
andand bothboth endsends ofof thethe pitmanpitman rodrod whichwhich connectsconnects thethe treadletreadle withwith thethe bandband wheel.wheel.

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                                1717

SewingSewing MachineMachine No.No. 1515SINGER-

INSTRUCTIONSINSTRUCTIONS FORFOR USINGUSING THETHE ATTACHMENTSATTACHMENTS

FOOTFOOT HEMMERHEMMER -- HemmingHemming

RaiseRaise thethe needleneedle toto itsits highesthighest point.point. RemoveRemove thethe presserpresser footfoot andand attachattach thethe footfoot hemhem mermer inin
 itsits placeplace (see(see Fig.Fig. 18).18). ClipClip offoff thethe rightright handhand cornercorner ofof thethe cloth,cloth, soso thatthat itit willwill taketake thethe rollroll
easily,easily, turnturn upup thethe edgeedge aboutabout aa quarterquarter ofof anan inch,inch, insertinsert itit inin thethe mouthmouth ofof thethe hemmerhemmer andand
drawdraw oror pushpush itit alongalong untiluntil underunder thethe needle.needle. ThenThen letlet downdown thethe presserpresser barbar andand afterafter takingtaking
twotwo oror threethree stitches,stitches, drawdraw gentlygently onon thethe endsends ofof thethe threadsthreads toto helphelp thethe workwork alongalong tilltill thethe
feedfeed catchescatches it.it. InIn orderorder toto produceproduce aa smoothsmooth eveneven hem,hem, thethe mouthmouth ofof thethe hemmerhemmer mustmust bebe
 keptkept justjust full.full.





                               FIr

                                                 FIG. 18                                            FIG. 18

 Fig.Fig. 1818 showsshows alsoalso whatwhat isis knownknown asas aa bagbag seamseam oror fell,fell, mademade byby passingpassing twotwo piecespieces ofof fab-fab-
ricric throughthrough thethe hemmerhemmer togethertogether andand hemminghemming themthem down.down.

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                             1818

SewingSewing MachineMachine No.No. 1515SINGER

FOOTFOOT HEMMERHEMMER--HemmingHemming andand SewingSewing onon LaceLace

 StartStart thethe hemhem asas previouslypreviously explained,explained, andand whenwhen itit isis wellwell started,started, raiseraise thethe needleneedle toto itsits
highesthighest point.point. RaiseRaise thethe hemmerhemmer toto relieverelieve itsits pressurepressure onon thethe hem,hem, passpass thethe endend ofof thethe lacelace
throughthrough thethe slotslot inin thethe sideside ofof thethe hemmer,hemmer, underunder thethe backback ofof thethe hemmerhemmer andand overover thethe hem,hem,
asas shownshown inin Fig.Fig. 19.19.

TakeTake carecare thatthat thethe hemhem isis notnot displaceddisplaced inin thethe hemmerhemmer andand thatthat thethe needleneedle goesgoes downdown
throughthrough thethe lacelace andand hemhem together.together. ThenThen letlet downdown thethe presserpresser barbar andand guideguide thethe lacelace overover
thehe frontfront ofof thethe hemmer,hemmer, keepingkeeping itit wellwell intointo thethe slot.slot





                                                FIG.FIG. 1919





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                             1919

SewingSewing MachineMachine No.No. 1515SINGER

FOOTFOOT HEMMERHEMMER -- FellingFelling

TheThe twotwo piecespieces ofof clothcloth toto bebe felledfelled shouldshould bebe laidlaid oneone overover thethe other,other, rightsidesrightsides together,together, thethe
edgeedge ofof thethe underunder piecepiece beingbeing aa littlelittle fartherfarther toto thethe rightright thanthan thethe upperupper piece.piece. StitchStitch themthem
together,together, usingusing thethe hemmerhemmer asas aa presserpresser foot,foot, thethe frontfront endend ofof thethe hemmerhemmer formingforming aa guideguide
forfor thethe edgesedges ofof bothboth pieces,pieces, thethe upperupper piecepiece beingbeing guidedguided byby thethe insideinside andand thethe underunder piecepiece
byby thethe outsideoutside ofof thethe projectingprojecting frontfront ofof thethe footfoot hemmerhemmer (see(see Fig.Fig. 20).20).





                                                 FIG. 20                                         FIG. 20





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                          2020

SewingSewing MachineMachine No.No. 1515SINGER

ThenThen openopen thethe workwork outout flat,flat, wrongwrong sideside up,up, thethe edgesedges standingstanding upup straight,straight, andand takingtaking thethe
edgesedges nearnear thethe beginningbeginning ofof thethe seamseam inin thethe rightright handhand andand thethe endsends ofof thethe threadsthreads inin thethe leftleft
hand,hand, drawdraw thethe edgesedges intointo thethe hemmerhemmer whichwhich willwill turnturn themthem asas inin hemming.hemming. GuideGuide thethe secondsecond
rowrow ofof stitchingstitching byby followingfollowing thethe firstfirst rowrow withwith thethe insideinside ofof thethe projectingprojecting frontfront ofof thethe footfoot
hemmerhemmer (see(see Fig.Fig. 21.)21.)





                                               FIG.FIG. 2121





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                            2121