Singer 251-3 Manual
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^a: Form20638 (153) Printedin U. S.A. LIST OF PARTS ^CH\^ SINGER MACHINES Nos.251-1,251-2and251-3 THESINGERMANUFACTURINGCOMPANY **ATradeMarkofTHESINGERMANUFACTURINGCOMPANY From the library of: Superior Sewing Machine & Supply LLC
INSTRUCTIONSFOROILING Beforestartingthemachine,fill the oilreservoirinthebase to theHIGHMARKv/ithTYPEA orTYPECOIL,sold by Singer Sev/ing Machine Company,as instructed in Form 20548. The reservoir holds approximatelyIVi pints. When inoperation, the oil level in the reservoir should be inspected at least twice a month or as often as is necessary tokeepit fromgoingbelow the LOWMARKinthereservoir. RefiilltoHIGHMARKwithTYPEAOIL. TYPECOIL is tobeused,whenanoil Isdesiredwhich willproduce aminimumof stain, even after a long period of storage. h\\ Copyright,U. S. A., 1939, 1941, 1947and1953 by The SingerManufacturingCompanyAll Rights Reservedfor AllCountries From the library of: Superior Sewing Machine & Supply LLC
INDEX Page Accessories16 Binders16To18 BobbinWinders19To20 Corder(Adjustable) 20 EdgeFolder onShank20 EdgeFolder with Strip FolderonShank21 Edge Guide (Roller) 21 FacePlateThreadLubricator21 FingerGuards21 To 22 Fittings 32 To37 Hemmers22To25 KneeLifter26 Machine251-17 Machine251-214 Machine251-315 MachineBaseandOilReservoir26 MachineBaseandOilReservoirFrame26 NeedleThreader27 NumericalListofPorts39 Piping Attachment 27 PresserFeet27To29 PresserFeetforSlideFasteners29 PresserFootandExtensions28 Quilters29 Rufflers30 Strip Folder onShankwithHemmer 31 ThreadUnwinder 31 Tucker (Long Arm) 31 From the library of: Superior Sewing Machine & Supply LLC
INSTRUCTIONSFORORDERING Inordering from this list, useONLYthepartNUMBERIn theFIRSTcolumn.The number stampedon a Sewing Machine Port Is in every casethe number of the single partonly. Everycombination of parts sent out as such has Its specific number, which,although notstampedon theports,must be used when orderingthecombination. Each number alwaysindicates the SAMEPARTinwhat ever list itappears,or forwhatever machine. The letters aftersome of the numbers indicatethe style of finish only, as follows: A—Hardened,Polished,NickelPlatedandBuffed A.A—BuffedandChromiumPlated A.B—Hardened,Polished,BuffedandChromiumPlated A.C—Brown BakingEnamel Finish A.D—Gray Baking Enamel Finish A.E—Hardened, Bright Rumbled andNickelPlated A.F—Hardened, BrightRumbled, NickelPlated,BrightRumbled andChromiumPlated A.G—Alumilite, Plain A.H—Alumilite,Dyed A.J—Polished, NickelPlatedandChromiumPlated A.K—Hardened,Polished,NickelPlatedandChromiumPlatedA.L—HeatTreatedforToughness B—Polished, NickelPlatedandBuffed C—Hardened Only C.R—HardenedandMerlized D—PolishedOnly E—Soft,NotPolished F—HardenedandPolished F.J—Hardened, PolishedandNickelPlated G—Bright RumbledandNickelPlated H—Blued J—Nickel Plated Only K—HardenedandNickelPlated L—BrassPlatedM—Oxidized N—Japanned, Dull P—Japanned, Bright P.P—WrinkleFinishR—Merlized S—CadmiumPlated T—CopperPlatedT.A—Hardened, Polished, CopperandNickel PlatedandBuffed T.B—CopperandNickelPlated andPolished T.J—CopperandNickelPlated Only T.K—Hardened, CopperandNickel Plated T.L—Copper andBrass PlatedT.M—CopperPlated and Oxidized From the library of: Superior Sewing Machine & Supply LLC
INSTRUCTIONSFORORDERING-Continued U—ZincPlatedV—SilverPlated W—PolishedandNickelPlated X—BlackOxide,for IronandSteel X.C—HardenedandBlackOxide,for Iron orSteel Y—BlackNickelPlated Only Z—ChromiumPlated Z.A—Hardened,Polished,NickelPlated,BuffedandChromium Plated Z.B—Polished, NickelPlated,BuffedandChromiumPlated Z.C—HardenedandChromiumPlated Z.D—PolishedandChromiumPlated Z.G—BrightRumbled, Nickel Plated,Bright RumbledandChromiumPlated ZJ—NickelandChromiumPlated Z.T—CopperandChromium Plated These letters MUSTBEUSEDwhen theyappearin the list;andAFTERthenumberasinthelist. Inthisseries:1 to1500,50001to51500and140001to142000are ScrewNumbers1501to1800and51501to51800areNutNumbers 1801to2000and51801to52000oreRollerNumbers 2001to50000and52001to140000and142001to 190000areSewing Machine Parts, 190001andupward orenumbersofElectricalParts. The figures in the second column refer only to the plates, illustrating the parts,andareNOT TOBEUSEDinordering. Parts marked with an asterisk (*) are furnished only when repairsaremadeatfactory. SINGERNeedlesshouldbeused In SINGERMachines TheseNeedlesandtheirContainers aremarkedwiththe Companys Trade Mark SIMANCO.** i NeedlesinContainersmarked FORSINGERMACHINES areNOTSINGERmadeneedles.2 From the library of: Superior Sewing Machine & Supply LLC
LISTOFPARTSCOMPLETE FOR MACHINENo.251-1 FORSEWINGLIGHT TOMEDIUMWEIGHTFABRICS,HIGH SPEED, LOCK STITCH, DROPFEED.NEEDLEBARSTROKE 19/64INCHES.PRESSERBARLIFT9/32INCH.MAXIMUM LENGTH OF STITCH 7 TO THE INCH. SPEED UP TO5000 R.P.M.,ACCORDING TO THEMATERIALBEINGSTITCHED. No.147001Plate NOTE: 858282141430028214 14655282141465528214140315E82141470048214 1430088214140296AL821414711282141467908214 207E8214 140297AL82141470058214140279AL8214144D8214140640E82141471098214 NameArmDue to theaccuracyrequiredforgearalignment, Arm cannot be supplied separatelyand can only be sent out as aunit. ArmandBedassembled.ArmDowell Pin (2)Arm Hole Plug (top of arm] for plugginghole used to assemble take-upoil wicks ArmScrew(back)ArmScrew(front)ArmScrewStud(back)(2)ArmShaft(horizontal) withNeedleBarCrankand140640EArmShaft(horizontal)Boshing(center)ArmShaft(horizontal) Bushing(center)SetScrew ArmShaft(horizontal)FlangedBushing (back)ArmShaft (horizontal) FlangedBushing (back) Oil SumpTubeArmShaft (horizontal) FlangedBushing (back) Oil SumpTubeHolderScrewArmShaft(horizontal)FlangedBushing(back)SetScrew... ArmShaft(horizontal)FlangedBushing (front) ArmShaft(horizontal)FlangedBushing (front) Set Screw....ArmShaft(horizontal)Screw(back)Arm Shaft(horizontal) Screw Plug (front)ArmShaft(horizontal) ScrewPlug (front)Washer(fiber) From the library of: Superior Sewing Machine & Supply LLC
8 No.Plate14301382141259AL82141259AL82141430168214140298AL8214147111821450504C8214147007821714700882171670982171470108217 217X82175223982198879 821914701182211470128222147013 NOTE:147014 147015822151369R822114324482221471058221140607X8221 6451982211465118221*147017NOTE: 143024821414326882141518J821412431X822343078223725X822312432822314337382191433748219158R82191431048219143375143292 14709682261470198226152J8226738J822614702182271471151470228227158E82271470238227176E822714303182271430328227147024 PARTSFORMACHINENo.25M NameArm Shaft (upright) Arm Shaft (upright) BevelGear(lower) Set Screw (2)Arm Shaft (upright) BevelGear (upper) Set Screw (2) Arm Shaft (upright)Bushing(lower)Arm Shaft (upright) Bushing (lower) Set ScrewArm Shaft (upright) Bushing(upper) Arm Shaft (upright)Bushing(upper) Set ScrewArmSideShieldArmSideShieldWickArm Side Shield Wick Spring HolderArm Side Shield complete, Nos. 16709,147007and147008ArmSideShieldScrew(2)Arm Spool PinandThread EyeletArm Spool Pin Washer(cloth) Arm Top Cover for 147013 (Aluminum) Arm Top Cover for 147014 (Aluminum) Arm Top Cover with Stitch Regulator Plunger complete,Nos.64519,146511,147011and147105No. 147013 is regularly furnished with this Machine.ArmTop Cover with StitchRegulator Plunger complete,when a longer Spool Pin (3-1/2in. long) is required, Nos.64519.143244,146511,147012and147105Arm Top Cover GosketArm Top Cover Screw (4)Arm Top Cover Spool Pin with Spool Rest, 3-1/2in. longArm Top Cover Stitch Regulator Plunger Arm Top Cover Stitch Regulator Plunger Hole Plug Screw for plugging the plunger hole when the Plunger is removed to prevent tampering with the stitchset ArmTop Cover Stitch Regulator Plunger SpringArm Top Cover Stitch Regulator Plunger Stop RingBedDue to the accuracy required for gearalignment. Bed cannotbesuppliedseparately and can only be sent out as aunit.ArmandBedassembled.Bed Hole Plug Bed Leg (bock) Bed Leg (back) Nut (2) BedSlideBed Slide SpringBed Slide Spring Screw (2)Bed Slide complete, Nos. 4307, 1243IX and two 725XBellCrankBellCrankBracketBell Crank Bracket Screw (2) Bell Crank Hinge Pin BellCrank complete, Nos. 143104,143373and 143374 Combination of Feed and Stitch Regulator Parts, Nos. 143040,143049,143087,143123, 143134,and143294.Face Plate (Aluminum)FacePlateGasket.Face Plate Screw (lower) (3)Face Plate Screw (upper)FeedBar withSlideBlockand147094Feed Bar 147021 with 147032Feed BarCorrierwith twoeach158Eand176EFeed Bar Carrier Clamping Screw (2)Feed Bar CarrierHinge PinFeed Bar Carrier Hinge Pin Clamping Screw (2)FeedBarCarrierOil WickFeed Bar Carrier Oil Wick Holder Feed Bar CarrierOil Wick Holder 143032 with 143031 From the library of: Superior Sewing Machine & Supply LLC
No.228E14709414703414703514703650579J14903150117AL1431231375AL1036AL140256AL140257AL140258AL 140333AL1259AL147025 147030 143052 197E 147028447AL143039223E147029460AL143040140230C1518J147031966E147032157J140359E143236147038147037 147039 147047197E147040147041 147042447AL147043447AL143048223E147029460AL143049140230C1518J147044157J140359E143236147046 PARTSFORMACHINENo.251-1 Plate822782278227 8227 822782238223821482148214821482148214NOTE:821482148227 8227 8227 82278227 8227 8227 82278227 82148214821482278227 8227 822782278227822782278227 8227 8227 8227 8227822782278227 8227 822782278227821482148214 8227 8227 8227 8227 8227 NameFeedBarCarrierOilWickHolderScrew(2)FeedBarSlideBlockOilWickFeedBarSlideBlockOilWickfor147036FeedBarSlideBlock OilWickHolderFeedBarSlideBlock OilWickHolder147035with147034..FeedBarSlideBlock OilWickHolderScrewFeed Dog, 19 teeth(22teeth to the inch) for 52033Feed DogScrew(2)FeedEccentricwith1375ALandtwo1036ALFeed Eccentric Body Position ScrewFeedEccentricBodySet Screw (2)Feed EccentricStop Screw (7 stitch)FeedEccentricStop Screw (5-1/2stitch)Feed Eccentric Stop Screw (14 stitch)No.140256ALis regularly furnished with this Machine.FeedLifting Eccentric Position ScrewFeed Lifting EccentricSetScrewFeedLifting RockShaftFeedLifting RockShaftNos. 197E,140359E,143236,147025,147038,147039,147047andtwo147037Feed Lifting RockShaftandFeedRockShaftOil WickHolderFeedLifting RockShaftandFeedRockShaftOil WickHolderScrewFeed Lifting RockShaftBushing (2) Feed Lifting RockShaftBushing Set Screw (2)Feed Lifting RockShaftCapFeedLiftingRockShaft Cap Screw (2)Feed Lifting RockShaftCollarwith two 460AL (2) Feed Lifting RockShaftCollarSetScrew (4)Feed Lifting Rock ShaftConnecting Rod Feed Lifting Rock ShaftConnecting Rod Hinge Screw Feed Lifting Rock ShaftConnecting Rod Hinge Screw Nut.... Feed Lifting Rock ShaftCrank (back) with 966E Feed Lifting Rock Shaft Crank (back) Clamping ScrewFeed Lifting RockShaftCrank (front) with 157JFeedLiftingRock Shaft Crank (front) Clamping ScrewFeed Lifting RockShaftOil Plug ScrewFeed Lifting Rock ShaftOil Plug ScrewWasher(fiber)Feed Lifting RockShaftOil Wick (long)FeedLifting RockShaftOil Wick (short) (2)Feed Lifting RockShaftOil WickFeed Lifting RockShaft Oil Wick Clamping Plate Feed Lifting RockShaft Oil Wick Clamping Plate Screw FeedRockShaftFeed Rock ShaftNos. 197E, 140359E, 143236,147039,147040,147046,147047andtwo147045Feed Rock ShaftBushing (back) Feed Rock ShaftBushing (back) Set Screw Feed RockShaftBushing (front)FeedRockShaftBushing (front) Set ScrewFeed RockShaft CapFeed Rock ShaftCapScrew (2)FeedRockShaftCollarwithtwo460ALFeed RockShaftCollar Set Screw (2)Feed RockShaftConnecting RodFeedRockShaft Connecting Rod Hinge Screw FeedRockShaft Connecting Rod Hinge Screw NutFeedRockShaftCrankwith157JFeedRockShaft Crank Clamping ScrewFeed Rock ShaftOil Plug Screw Feed RockShaftOil Plug ScrewWasher(fiber)Feed RockShaftOil Wick (long) From the library of: Superior Sewing Machine & Supply LLC
10 No.Plate147045822714703982271470478227197E82271470168221 NOTE:1471108222 51283AL8221143335822814333682281133E822852171822814332482281133E82281470498228147050140231C822814305682281433268228207E822814705382171430588228140542AL82141431968217140239AL8228146591823114306182311430628231143063823150257J8231143370823151369E823114306482311433848231143065823114306682311471068231 143387 14312482311431258231143126823114307082311430718231157E82311430728231143073823150123E821414307482311430758231189E823114710782171467458217147108 140553E146700 228E 82178217 8217 PARTSFORMACHINENo.251-1 NameFeedRockShaftOilWick(short)(2)FeedRockShaftOilWickFeedRockShaft Oil Wick Clamping PlateFeed RockShaft Oil Wick Clamping Plate ScrewMachineDrivingPulley, small rim diameter (disc power)V belt groove with two 51283AL, for regularworkNo 147016 is regularly furnished with this Machine. MachineDrivingPulley, large rim diameter (disc power)V belt groove, outside diom. of belt groove 2.9 in. with two 51283AL, for heavy work Machine Driving Pulley Set Screw (2)NeedleBar (hollow) with140239ALNeedleBar Bushing (lower)NeedleBar Bushing (lower) Set ScrewNeedle Bar Bushing (lower) Thread Eyelet Needle Bar Bushing (upper) Needle Bar Bushing (upper) Set Screw Needle BarConnecting LinkNeedleBarConnecting Link147049with143326Needle Bar ConnectingLinkCop ScrewNeedleBarConnectingLinkRoller Bearing (18) Needle BarConnecting Stud with 207E NeedleBor Connecting Stud Clamping Screw Needle Bar Connecting Stud Oil Wick Needle BarConnecting Stud Slide BlockNeedleBarCrankPositionScrewNeedleBarOilWickNeedleSetScrewOil Flow Body Oil Flow Body Gasket (2) Oil FlowWindowOil Flow Window CapOil Flow WindowCapScrew (4)OilLeadOilLeadScrewOil Pipe for 147106Oil Pipe for oiling Rotating Hook Shaft (front) BearingOil Pipe Clamping Sleeve Oil Pipe Clamping Sleeve Nut Oil Pipe complete from Oil Pump to Arm Shaft (horizontal)CenterBearing, Nos.143064,143065and143066Oil Pipe 143384 with 143124 for oilingRotatingHookShaft Front BearingOil Pipe Clamping SleeveOil Pipe Clamping Sleeve NutOil PipeClampingSleeve NutAdaptor for 143070Oil Pump (centrifugal) Body with 143126Oil Pump (centrifugal) Body Position Pin (2)Oil Pump (centrifugal) BodyScrew (3)Oil Pump (centrifugal) CoverOil Pump (centrifugal) ImpellerOil Pump (centrifugal) ImpellerLockingScrewOil Pump (centrifugal) Screen Oil Pump (centrifugal) Screen Frame Oil Pump (centrifugal) Screen Frame Screw (4)Oil Removing Wick(headend)OilRemovingWick (head end) Holder BodyOilRemovingWick(head end)HolderBody146745with146698and147107OilRemovingWick (head end) Holder Body Hinge Screw...OilRemovingWick (head end) HolderBodyStop andSpring ClipOilRemovingWick(head end) HolderBodyStop andSpringClip Screw From the library of: Superior Sewing Machine & Supply LLC
PARTSFORMACHINENo.251-111 No.Plate146698821714705482171470558217 1364X8217 1470568217 1431978214 1430778214140232J82141432008214147057822814705882281133E82281470598228140608AL8228147060821969XC8219147027821914310882191611J82191611J82191431918219 1431098219802X821914706182281470628219448AL821914661082191470638228625278223629258223629268223262318223629278223 140390AL8223147091822814334082321433418232 1433428232 143343143344823240264823252235823252236 40392823212532082322974823229758232592E8232403938232 591F823240394itnnp8232no-io NameOilRemovingWick (head end) Holder BodySpringOil Removing Wick(headend)Hinge PlateandCover Oil Removing Wick (headend) Hinge PlateandCoverGasketOil Removing Wick(headend)HingePlateandCoverScrew(4)OilRemovingWick (head end) Holder Body complete,Nos.228E,140553E,146698,146700,146745,147054and147107Oil Wick, for oiling Take-upLever,Needle Bar ConnectingLink,Take-upLinkand Take-up LeverHinge Bearing Oil Wick Holder complete, Nos. 143197 and 143200 OilWickHolderScrewOil Wick Oil Leader(wick)Presser Bar(hollow)Presser Bar Bushing (lower) Presser Bar Bushing (lower) Set Screw PresserBarGuideBracketwith 208ALand140608ALPresser Bar Guide BracketClamping ScrewPresr^rBarLifterPresser Bar Lifter Hinge Screw Presser Bar Lifting Lever with 448AL Presser BarLiftingLeverConnecting Rod Presser BarLiftingLeverConnecting Rod Nut Presser BarLiftingLeverConnecting Rod NutLockNutPresser BarLiftingLeverConnecting Rod Oil Mist RetainingDisc (felt)Presser Bar LiftingLever Connecting Rod Swivel Presser Bar Lifting Lever Hinge Screw Presser Bar Lifting Lever LinkPresser Bar Lifting Lever PinPresser Bar Lifting Lever Pin Set ScrewPresser BarLiftingLeverSpringPresser Bar SpringPresserFootHinge PinPresser FootPlatePresserFootShankPresser Foot SpringPresser Foot (spring hinged) complete, Nos. 26231,62527,62925and62926PresserFootScrewPressure Regulating Thumb Screw and Presser Bar Guide....Rotating Hook with 143301andthree1253ALRotating Hook 143340 with 143351, 270083andfour1053ERotating Hook 143341 with40274,143346andthree1367ERotating Hook 143341 with40274andthree1367E Rotating Hook143342 with52237Rotating Hook Bobbin Rotating Hook BobbinCaseRotating Hook Bobbin Case 52235with 591F, 1380E and40394Rotating Hook BobbinCaseLatch Rotating Hook BobbinCaseLatch Lever Rotating Hook BobbinCaseLatch Lever Fulcrum PinRotatingHookBobbinCaseLatchSpringRotatingHookBobbinCaseLatchStop ScrewRotating Hook BobbinCaseLatchHinge, Nos. 2974, 40392and125320Rotating HookBobbinCaseTensionRegulatingScrewRotating Hook BobbinCose TensionSpringRotatingHookBobbinCaseTensionSpringScrew From the library of: Superior Sewing Machine & Supply LLC